Major interaction on record — check this product against your medications before combining. Based on 12 of 19 ingredients. Check your meds →
Dietary supplement

pH Balance Ingredients & Drug Interactions

by Theramedix BioSET

pH Balance label
See full label image
Capsule Category: Other Combinations
Most serious interaction: Major
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking pH Balance against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Major

pH Balance is a dietary supplement by Theramedix BioSET with 19 active ingredients. Its ingredients are commonly taken for replacing fluids and electrolytes, preventing dehydration during exercise or illness, treating low blood sodium (under medical care).Based on those ingredients, 2,184 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Marshmallow, Ginger, Rosemary. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

Jump to a section

Check Your Meds Against pH Balance by Theramedix BioSET

Ask about any prescription or over-the-counter medication and we check it for interactions with pH Balance by Theramedix BioSET — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of pH Balance by Theramedix BioSET

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Sep 3, 2026

What’s inside

Low disclosure
Ingredient Transparency · database check
Low

Most active ingredients don't disclose an individual amount — you can't tell how much of each you're getting.

Why this rating?
  • The label discloses an exact amount for 4 of its 19 active ingredients.
  • “Proprietary Herbal Blend” is a proprietary blend — the label gives one combined amount (325 mg) without saying how much of each component you get.
  • “Proprietary Enzyme Blend” is a proprietary blend — the label gives one combined amount (93 mg) without saying how much of each component you get.
  • “Proprietary Mineral Blend” is a proprietary blend — the label gives one combined amount (235 mg) without saying how much of each component you get.

pH Balance contains 19 ingredients, including several minerals and digestive enzymes. The mineral content includes sodium, potassium, calcium, magnesium, sodium bicarbonate, potassium bicarbonate, and calcium carbonate.

The product also provides lipase, cellulase, pectinase, amylase, protease blend, and papain—enzymes intended to support digestion. Herbal ingredients are ginger, marshmallow, papaya, holy basil, and rosemary, supplied as extracts or powders in a proprietary herbal blend and a proprietary mineral blend.

The capsule itself is made from delayed-release vegetable material.

Does it work?

Not established
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not established

The graded evidence we hold for these ingredients covers different conditions than the ones this product is marketed for, so there's no established rating for its stated use.

Why this rating?
  • The label markets this product for: pH neutralization and alkalizing internal pH.
  • We looked for evidence on: Acid reflux, GERD, Acidosis, Metabolic pH balance.
  • The closest evidence on file: Sodium Bicarbonate is rated "Insufficient Reliable Evidence To Rate" for Gastroesophageal reflux disease (GERD) (Natural Medicines).

The evidence on file shows mixed support across the ingredients. Sodium is likely effective for cystic fibrosis and possibly effective for amphotericin B nephrotoxicity.

Calcium is effective for kidney failure, dyspepsia, and hypocalcemia, and likely effective for osteoporosis. Magnesium is effective for dyspepsia, constipation, and hypomagnesemia, and also for pre-eclampsia.

Ginger is possibly effective for pregnancy-induced nausea and vomiting and dysmenorrhea, and possibly osteoarthritis, though it was possibly ineffective for exercise-induced muscle soreness. The evidence for papaya and papain is rated insufficient; the same holds for holy basil and rosemary.

Marshmallow, lipase, and the enzyme blends have insufficient evidence for the conditions on file.

The evidence, ingredient by ingredient Sodium Potassium Calcium Magnesium Marshmallow Ginger Papaya Holy Basil

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 11 of the 12 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 12 of 12.
  • General safety write-ups exist for 12 of 12.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Sodium is generally well tolerated in normal dietary amounts, but too much is linked to high blood pressure and heart strain. Potassium from food is fine, but supplements can cause dangerously high blood levels in some people, especially those with kidney disease.

Calcium is generally well tolerated at recommended amounts; taking too much may raise concerns about kidney stones and possibly prostate cancer or heart disease, though the evidence is debated. Magnesium is generally well tolerated and may cause mild gastrointestinal effects like diarrhea or nausea at higher doses.

Ginger is generally well tolerated up to about 5 grams per day; higher doses increase side effects and reduce tolerability. Marshmallow is well tolerated for short-term use but has limited human safety data.

Papaya fruit is well tolerated as food; concentrated supplements and unripe papaya are less well studied. Holy basil seems well tolerated short-term but long-term safety data are limited.

Rosemary is safe in normal culinary amounts; concentrated extracts and undiluted essential oil require caution. Lipase, papain, and the enzyme blends may irritate the digestive tract in some people.

Sodium bicarbonate is generally well tolerated in small antacid doses but risky if overused or used long-term due to high sodium content.

Side effects, ingredient by ingredient Sodium Potassium Calcium Magnesium Marshmallow Ginger Papaya Holy Basil

Meds to double-check

Major interaction found
Known Interaction Concern · database check
Major identified

At least one ingredient has a documented Major-severity interaction. Check your medications for a personalized result.

Why this rating?
  • 11 of the 12 matched ingredients can interact with medications — Papain, Rosemary, Papaya, Marshmallow, Calcium, among others.
  • The most serious interaction on file is rated Major.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; immunosuppressants / transplant drugs; diabetes medications; heart-rhythm medications; lithium; Parkinson's medications.
  • For scale: 2,185 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before taking pH Balance, double-check with your doctor or pharmacist if you take any of the following: HIV integrase inhibitors (dolutegravir, elvitegravir, raltegravir), the antibiotic ceftriaxone, blood pressure drugs (especially ACE inhibitors, ARBs, or potassium-sparing diuretics), blood thinners (warfarin, phenprocoumon) or antiplatelet drugs, Parkinson's medication (levodopa/carbidopa), thyroid medication (levothyroxine), heart medications (calcium channel blockers, sotalol, diltiazem, amiodarone), diabetes drugs, quinolone antibiotics, bisphosphonates, or lithium. These carry the highest risks.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFormula with limited ingredient disclosure with no established evidence rating for its marketed use. Major medication interactions have been identified, and safety information is well characterized.

This is a multi-ingredient digestive and pH-support formula that brings together minerals, enzymes, and botanicals. Because it contains sodium, potassium, and calcium in meaningful amounts alongside magnesium and several herbal ingredients with known drug interactions, you'll want to check your medications carefully with the tool on this page—especially if you take blood pressure drugs, blood thinners, HIV medications, diabetes drugs, thyroid medication, or Parkinson's medication.

Talk with your doctor or pharmacist before adding this to your routine, particularly if you have kidney disease, heart disease, or are taking any prescription medications.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 15 of 19 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated May 22, 2021.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about pH Balance, straight from the product label.

Brand Theramedix BioSET
Barcode (UPC) 738676953756
Net contents 90 Capsule(s)
Market status On market
Date entered into DSLD May 22, 2021
DSLD ID 247622
Product type Other Combinations
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Vegetarian, Adult (18 - 50 Years)
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for pH Balance by Theramedix BioSET, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 Capsule(s)
Maximum serving Sizes:
1 Capsule(s)
Servings per container
90
UPC/BARCODE
738676953756
IngredientAmount% DV
Total Carbohydrates1 Gram(s)1%
Sodium6.5 mg1%
Potassium44.5 mg1.5%
Calcium16 mg2%
Magnesium1.6 mg1%
Lipase0 NP--
Cellulase0 NP--
Marshmallow0 NP--
Pectinase0 NP--
Ginger0 NP--
Magnesium Citrate0 NP--
Proprietary Herbal Blend325 mg--
Sodium Bicarbonate0 NP--
Potassium Bicarbonate0 NP--
Proprietary Enzyme Blend93 mg--
Proprietary Mineral Blend235 mg--
Papaya0 NP--
Holy Basil extract0 NP--
Rosemary0 NP--
Calcium Carbonate0 NP--
Amylase0 NP--
Protease Blend0 NP--
CereCalase0 NP--

Other ingredients: delayed release vegetable Capsule

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formulation

pH Balance assists in neutralizing acids and alkalizing internal pH for optimal health.

Professional strength formula

Alkalizes pH

Vegetarian

Optimizing enzyme potential

Suggested/Recommended/Usage/Directions

Recommended usage: Take 1 capsule a day on an empty stomach. (1/2 hour before or 2 hours after a meal)

Formula

Exclusive Thera-Blend formulation Thera-Blend is our exclusive process for formulating enzyme blends. These blends are formulated using multiple enzyme forms selected for their ability to break down numerous bonds in varying pH levels.

FDA Disclaimer Statement

These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.

Precautions

Keep out of reach of children

Storage

Store tightly in a cool, dry place.

Do not expose to excessive heat.

FDA Statement of Identity

Dietary Supplement

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

pH Balance by Theramedix BioSET label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

pH Balance label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in pH Balance by Theramedix BioSET

These are the 19 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Capsule(s) Dosage formCapsule Servings per container90 Amounts shown are per serving.

Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.

Sodium

Interacts with
205 drugs
6.5 mg per serving

Sodium is an essential mineral and electrolyte your body needs to balance fluids, support nerves, and help muscles work. Most people in modern diets g...

Sodium monograph & interactions

Potassium

Interacts with
62 drugs
44.5 mg per serving

Potassium is an essential mineral your body needs for nerve signals, muscle function, and a steady heartbeat, and most people get enough from a balanc...

Potassium monograph & interactions

Calcium

Interacts with
168 drugs
16 mg per serving

Calcium is an essential mineral your body needs for strong bones, nerve signaling, and muscle function, and supplements can help fill gaps when diet f...

Calcium monograph & interactions

Magnesium

Interacts with
295 drugs
1.6 mg per serving

Magnesium is an essential mineral your body needs for muscles, nerves, blood pressure, and many other functions, and supplements are useful for preven...

Magnesium monograph & interactions

Proprietary Herbal Blend

325 mg per serving

Proprietary Enzyme Blend

93 mg per serving

Proprietary Mineral Blend

235 mg per serving

Other (inactive) ingredients: Delayed release vegetable Capsule. These complete the product’s ingredient list but are not active constituents.

Interaction report

pH Balance by Theramedix BioSET Drug Interactions

Want to check YOUR meds against pH Balance?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
2,184Drugs
13 Major 1,197 Moderate 974 Minor

Ingredients driving the most interactions

Marshmallow 2,040
Ginger 1,007
Rosemary 372
Magnesium 295
Sodium Bicarbonate 257

Individual Drug Interactions

The ingredients in pH Balance interact with 2,184 drugs. Click any drug to see the details.

11 of the 19 ingredients in pH Balance interact with drugs. Each result below shows which ingredient is responsible. Marshmallow Ginger Rosemary Magnesium Sodium Bicarbonate Holy Basil extract Sodium Calcium Papaya Potassium Protease Blend

Each ingredient & the kinds of drugs it affects

For each ingredient in pH Balance with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.

Marshmallow3 drug types · 2,040 drugs

Lithium

Theoretically, due to potential diuretic effects, marshmallow might reduce excretion and increase levels of lithium.
Marshmallow is thought to have diuretic properties. To avoid lithium toxicity, the dose of lithium might need to be decreased when used with marshmallow.

Likelihood Probable Evidence D
Anticoagulant/Antiplatelet Drugs

Theoretically, marshmallow flower might have antiplatelet effects.
Animal research suggests that marshmallow flower extract has antiplatelet effects. However, the root and leaf of marshmallow, not the flower, are the plant parts most commonly found in dietary supplements. Theoretically, use of marshmallow flower with anticoagulant/antiplatelet drugs can have additive effects, and might increase the risk for bleeding in some patients.

Likelihood Unlikely Evidence D
Oral Drugs

Theoretically, mucilage in marshmallow might impair absorption of oral drugs.
Marshmallow contains mucilage which can affect oral drug absorption. To avoid changes in absorption, take marshmallow 30-60 minutes after oral medications.

Likelihood Possible Evidence D
Marshmallow full monograph & interactions

Ginger14 drug types · 1,007 drugs

Anticoagulant/Antiplatelet Drugs

Ginger may have antiplatelet effects and may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs. However, research is conflicting.
Laboratory research suggests that ginger inhibits thromboxane synthetase and decreases platelet aggregation. However, this has not been demonstrated unequivocally in humans, with mixed results from clinical trials. Theoretically, excessive amounts of ginger might increase the risk of bleeding when used with anticoagulant/antiplatelet drugs.

Likelihood Possible Evidence B
Antidiabetes Drugs

Theoretically, taking ginger with antidiabetes drugs might increase the risk of hypoglycemia.
Animal and human research suggests that ginger might increase insulin levels and/or decrease blood glucose levels.

Likelihood Possible Evidence D
Cytochrome P450 3A4 (Cyp3A4) Substrates

Ginger might increase or decrease the levels of CYP3A4 substrates.
In vitro research and some case reports suggest that ginger inhibits CYP3A4 activity. Three case reports from the World Health Organization (WHO) adverse drug reaction database describe increased toxicity in patients taking ginger and cancer medications that are CYP3A4 substrates (imatinib, dabrafenib, and crizotinib). However, the causality of this interaction is unclear due to the presence of multiple interacting drugs and routes of administration.
Conversely, other in vitro research suggests that ginger induces CYP3A4 activity, leading to reduced levels of CYP3A4 substrates. However, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Losartan (Cozaar)

Theoretically, ginger might increase levels of losartan and the risk of hypotension.
In animal research, ginger increased the levels and hypotensive effects of a single dose of losartan. It is not clear if ginger alters the concentration or effects of losartan when taken continuously. Additionally, this interaction has not been shown in humans.

Likelihood Possible Evidence D
Nifedipine (Procardia)

Ginger may have antiplatelet effects and increase the risk of bleeding if used with nifedipine.
Clinical research shows that combined treatment with ginger 1 gram plus nifedipine 10 mg significantly inhibits platelet aggregation when compared to nifedipine or ginger alone.

Likelihood Possible Evidence B
P-Glycoprotein Substrates

Ginger might increase the absorption and blood levels of P-glycoprotein (P-gp) substrates.
In vitro research and case reports suggest that ginger inhibits drug efflux by P-gp, potentially increasing absorption and serum levels of P-gp substrates. Two case reports from the World Health Organization (WHO) adverse drug reaction database describe increased toxicity in patients taking ginger and cancer medications that are P-gp substrates (trametinib, crizotinib). However, the causality of this interaction is unclear due to the presence of multiple interacting drugs and routes of administration.

Likelihood Possible Evidence D
Phenprocoumon (Marcoumar, Others)

Ginger might increase the risk of bleeding with phenprocoumon.
Phenprocoumon, a warfarin-related anticoagulant, might increase the international normalized ratio (INR) when taken with ginger. There is one case report of a 76-year-old woman with a stable INR on phenprocoumon that increased to greater than 10 when she began consuming dried ginger and ginger tea.

Likelihood Possible Evidence D
Warfarin (Coumadin)

Ginger might increase the risk of bleeding with warfarin.
Laboratory research suggests that ginger might inhibit thromboxane synthetase and decrease platelet aggregation. In one case report, ginger increased the INR when taken with phenprocoumon, which has similar pharmacological effects as warfarin. In another case report, ginger increased the INR when taken with a combination of warfarin, hydrochlorothiazide, and acetaminophen. A longitudinal analysis suggests that taking ginger increases the risk of bleeding in patients taking warfarin for at least 4 months. However, research in healthy people suggests that ginger has no effect on INR, or the pharmacokinetics or pharmacodynamics of warfarin. Until more is known, monitor INRs closely in patients taking large amounts of ginger.

Likelihood Possible Evidence B
Calcium Channel Blockers

Theoretically, taking ginger with calcium channel blockers might increase the risk of hypotension.
Some animal and in vitro research suggests that ginger has hypotensive and calcium channel-blocking effects. Another animal study shows that concomitant administration of ginger and the calcium channel blocker amlodipine leads to greater reductions in blood pressure when compared with amlodipine alone.

Likelihood Unlikely Evidence D
Cyclosporine (Neoral, Sandimmune)

Theoretically, when taken prior to cyclosporine, ginger might decrease cyclosporine levels.
In an animal model, ginger juice taken 2 hours prior to cyclosporine administration reduced the maximum concentration and area under the curve of cyclosporine by 51% and 40%, respectively. This effect was not observed when ginger juice and cyclosporine were administered at the same time.

Likelihood Possible Evidence D
Cytochrome P450 1A2 (Cyp1A2) Substrates

Theoretically, ginger might increase the levels of CYP1A2 substrates.
In vitro research shows that ginger inhibits CYP1A2 activity. However, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2B6 (Cyp2B6) Substrates

Theoretically, ginger might increase the levels of CYP2B6 substrates.
In vitro research shows that ginger inhibits CYP2B6 activity. However, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2C9 (Cyp2C9) Substrates

Theoretically, ginger might increase the levels of CYP2C9 substrates.
In vitro research shows that ginger inhibits CYP2C9 activity. However, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Metronidazole (Flagyl)

Theoretically, ginger might increase levels of metronidazole.
In an animal model, ginger increased the absorption and plasma half-life of metronidazole. In addition, the elimination rate and clearance of metronidazole was significantly reduced.

Likelihood Possible Evidence D
Ginger full monograph & interactions

Rosemary6 drug types · 372 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, rosemary may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
In vitro and animal research suggests that rosemary inhibits platelet aggregation.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, taking rosemary with antidiabetes drugs might increase the risk of hypoglycemia.
Animal research shows that rosemary extract can decrease blood glucose levels in diabetic models. However, research in humans is conflicting. Although rosemary powder decreased blood glucose levels in healthy adults, no change in blood glucose levels was seen in adults with type 2 diabetes, most of whom were taking antidiabetes drugs.

Likelihood Possible Evidence B
Aspirin

Theoretically, rosemary might have additive effects with salicylate-containing drugs such as aspirin.
Rosemary is reported to contain salicylates.

Likelihood Possible Evidence D
Choline Magnesium Trisalicylate (Trilisate)

Theoretically, rosemary might have additive effects with salicylate-containing drugs such as choline magnesium trisalicylate.
Rosemary is reported to contain salicylate.

Likelihood Possible Evidence D
Salsalate (Disalcid)

Theoretically, rosemary might have additive effects with salicylate-containing drugs such as salsalate.
Rosemary is reported to contain salicylate.

Likelihood Possible Evidence D
Cytochrome P450 1A2 (Cyp1A2) Substrates

Theoretically, rosemary might decrease the levels and clinical effects of CYP1A2 substrates.
In vitro research shows that rosemary induces CYP1A2 enzymes. This effect has not been reported in humans.

Likelihood Unlikely Evidence D
Rosemary full monograph & interactions

Magnesium15 drug types · 295 drugs

Levodopa/Carbidopa (Sinemet)

Magnesium can reduce the bioavailability of levodopa/carbidopa.
Clinical research in healthy volunteers shows that taking magnesium oxide 1000 mg with levodopa 100 mg/carbidopa 10 mg reduces the area under the curve (AUC) of levodopa by 35% and of carbidopa by 81%. In vitro and animal research shows that magnesium produces an alkaline environment in the digestive tract, which might lead to degradation and reduced bioavailability of levodopa/carbidopa.

Likelihood Probable Evidence B
Aminoglycoside Antibiotics

Concomitant use of aminoglycoside antibiotics and magnesium can increase the risk for neuromuscular weakness.
Both aminoglycosides and magnesium reduce presynaptic acetylcholine release, which can lead to neuromuscular blockade and possible paralysis. This is most likely to occur with high doses of magnesium given intravenously.

Likelihood Possible Evidence D
Antacids

Use of acid reducers may reduce the laxative effect of magnesium oxide.
A retrospective analysis shows that, in the presence of H2 receptor antagonists (H2RAs) or proton pump inhibitors (PPIs), a higher dose of magnesium oxide is needed for a laxative effect. This may also occur with antacids. Under acidic conditions, magnesium oxide is converted to magnesium chloride and then to magnesium bicarbonate, which has an osmotic laxative effect. By reducing acidity, antacids may reduce the conversion of magnesium oxide to the active bicarbonate salt.

Likelihood Possible Evidence D
Bictegravir/Emtricitabine/Tenofovir Alafenamide (Biktarvy)

Magnesium might decrease levels of bictegravir/emtricitabine/tenofovir alafenamide by reducing its absorption.
Advise patients that bictegravir/emtricitabine/tenofovir alafenamide should be taken at least 2 hours before or 6 hours after magnesium containing products.

Likelihood Probable Evidence D
Bisphosphonates

Magnesium can decrease absorption of bisphosphonates.
Cations, including magnesium, can decrease bisphosphonate absorption. Advise patients to separate doses of magnesium and these drugs by at least 2 hours.

Likelihood Probable Evidence B
Calcium Channel Blockers

Magnesium can have additive effects with calcium channel blockers, although evidence is conflicting.
Magnesium inhibits calcium entry into smooth muscle cells and may therefore have additive effects with calcium channel blockers. Severe hypotension and neuromuscular blockades may occur when nifedipine is used with intravenous magnesium, although some contradictory evidence suggests that concurrent use of magnesium with nifedipine does not increase the risk of neuromuscular weakness. High doses of magnesium could theoretically have additive effects with other calcium channel blockers.

Likelihood Possible Evidence D
Digoxin

Magnesium salts may reduce absorption of digoxin.
Clinical evidence suggests that treatment with oral magnesium hydroxide or magnesium trisilicate reduces absorption of digoxin from the intestines. This may reduce the blood levels of digoxin and decrease its therapeutic effects.

Likelihood Possible Evidence B
Potassium-Sparing Diuretics

Potassium-sparing diuretics decrease excretion of magnesium, possibly increasing magnesium levels.
Potassium-sparing diuretics also have magnesium-sparing properties, which can counteract the magnesium losses associated with loop and thiazide diuretics. Theoretically, increased magnesium levels could result from concomitant use of potassium-sparing diuretics and magnesium supplements.

Likelihood Probable Evidence D
Quinolone Antibiotics

Magnesium decreases absorption of quinolones.
Magnesium can form insoluble complexes with quinolones and decrease their absorption. Advise patients to take these drugs at least 2 hours before, or 4 to 6 hours after, magnesium supplements.

Likelihood Probable Evidence D
Skeletal Muscle Relaxants

Parenteral magnesium alters the pharmacokinetics of skeletal muscle relaxants, increasing their effects and accelerating the onset of effect.
Parenteral magnesium shortens the time to onset of skeletal muscle relaxants by about 1 minute and prolongs the duration of action by about 2 minutes. Magnesium potentiates the effects of skeletal muscle relaxants by decreasing calcium-mediated release of acetylcholine from presynaptic nerve terminals, reducing postsynaptic sensitivity to acetylcholine, and having a direct effect on the membrane potential of myocytes. Magnesium also has vasodilatory actions and increases cardiac output, allowing a greater amount of muscle relaxant to reach the motor end plate. A clinical study found that low-dose rocuronium (0.45 mg/kg), when given after administration of magnesium 30 mg/kg over 10 minutes, has an accelerated onset of effect, which matches the onset of effect seen with a full-dose rocuronium regimen (0.6 mg/kg). In another clinical study, onset times for rocuronium doses of 0.3, 0.6, and 1.2 mg/kg were 86, 76, and 50 seconds, respectively, when given alone, but were reduced to 66, 44, and 38 seconds, respectively, when the doses were given after a 15-minute infusion of magnesium sulfate 60 mg/kg. Giving intraoperative intravenous magnesium sulfate, 50 mg/kg loading dose followed by 15 mg/kg/hour, reduces the onset time of rocuronium, enhances its clinical effects, reduces the dose of intraoperative opiates, and prolongs the spontaneous recovery time. It does not affect the activity of subsequently administered neostigmine.

Likelihood Probable Evidence A
Sulfonylureas

Magnesium increases the systemic absorption of sulfonylureas, increasing their effects and side effects.
Clinical research shows that administration of magnesium hydroxide with glyburide increases glyburide absorption, increases maximal insulin response by 35-fold, and increases the risk of hypoglycemia, when compared with glyburide alone. A similar interaction occurs between magnesium hydroxide and glipizide. The mechanism of this effect appears to be related to the elevation of gastrointestinal pH by magnesium-based antacids, increasing solubility and enhancing absorption of sulfonylureas.

Likelihood Probable Evidence B
Tetracycline Antibiotics

Magnesium decreases absorption of tetracyclines.
Magnesium can form insoluble complexes with tetracyclines in the gut and decrease their absorption and antibacterial activity. Advise patients to take these drugs 1 hour before or 2 hours after magnesium supplements.

Likelihood Probable Evidence D
Anticoagulant/Antiplatelet Drugs

Theoretically, magnesium may have antiplatelet effects, but the evidence is conflicting.
In vitro evidence shows that magnesium sulfate inhibits platelet aggregation, even at low concentrations. Some preliminary clinical evidence shows that infusion of magnesium sulfate increases bleeding time by 48% and reduces platelet activity. However, other clinical research shows that magnesium does not affect platelet aggregation, although inhibition of platelet-dependent thrombosis can occur.

Likelihood Unlikely Evidence B
Gabapentin (Neurontin)

Gabapentin absorption can be decreased by magnesium.
Clinical research shows that giving magnesium oxide orally along with gabapentin decreases the maximum plasma concentration of gabapentin by 33%, time to maximum concentration by 36%, and area under the curve by 43%. Advise patients to take gabapentin at least 2 hours before, or 4 to 6 hours after, magnesium supplements.

Likelihood Unlikely Evidence B
Sevelamer (Renagel, Renvela)

Sevelamer may increase serum magnesium levels.
In patients on hemodialysis, sevelamer use was associated with a 0.28 mg/dL increase in serum magnesium. The mechanism of this interaction remains unclear.

Likelihood Possible Evidence B
Magnesium full monograph & interactions

Sodium Bicarbonate14 drug types · 257 drugs

Aminoglycoside Antibiotics

Theoretically, sodium bicarbonate may increase the risk for hypokalemia in patients receiving aminoglycosides.
Orally, use of excessive sodium bicarbonate (such as the intake of "tablespoons" of sodium bicarbonate daily or up to one box of baking soda weekly) has been associated with cases of hypokalemia. Furthermore, when administered intravenously, the most common complication of sodium bicarbonate is hypokalemia. Nephrotoxicity caused by aminoglycosides may lead to increased urinary losses of various electrolytes, including potassium.

Likelihood Possible Evidence D
Amphotericin-B (Abelcet, Others)

Theoretically, sodium bicarbonate may increase the risk for hypokalemia in patients receiving amphotericin B.
Orally, use of excessive sodium bicarbonate (such as the intake of "tablespoons" of sodium bicarbonate daily or up to one box of baking soda weekly) has been associated with cases of hypokalemia. Furthermore, when administered intravenously, the most common complication of sodium bicarbonate is hypokalemia. Amphotericin B increases urinary potassium losses due to toxic effects on renal tubular epithelium. Hypokalemia can occur in up to 50% of patients.

Likelihood Possible Evidence D
Aspirin

Theoretically, sodium bicarbonate may reduce the levels and clinical effects of aspirin.
In humans, oral or intravenous administration of sodium bicarbonate increases salicylate elimination. Although the exact mechanism of this effect is not clear, some researchers hypothesize that sodium bicarbonate increases urinary pH, which increases salicylate ionization and subsequent excretion by the kidneys. In patients with urine pH of about 5.5, renal clearance of salicylate is approximately 55 mL/min. When urine pH is increased with oral sodium bicarbonate to about 7.5, renal clearance of salicylate increases to approximately 100 mL/min. Similarly, urine alkalinization with sodium bicarbonate increases the mean total body clearance of salicylate by approximately 60% compared with urine acidification.

Likelihood Probable Evidence B
Beta-Adrenergic Agonists

Theoretically, sodium bicarbonate may increase the risk for hypokalemia in patients taking beta-adrenergic agonists.
Orally, use of excessive sodium bicarbonate (such as the intake of "tablespoons" of sodium bicarbonate daily or up to one box of baking soda weekly) has been associated with cases of hypokalemia. Furthermore, the most common adverse effect of intravenous sodium bicarbonate is hypokalemia. Oral, parenteral, or inhaled beta-adrenergic agonists can reduce serum potassium levels, especially during acute use of high doses.

Likelihood Possible Evidence D
Cefpodoxime Proxetil (Vantin)

Theoretically, sodium bicarbonate might reduce the levels and clinical effects of cefpodoxime.
Cefpodoxime proxetil is an oral prodrug that is de-esterified in the intestine to the active drug cefpodoxime. Drugs or supplements that increase gastric pH can inhibit the activation of cefpodoxime proxetil and reduce the peak plasma concentrations of cefpodoxime. In humans, taking sodium bicarbonate 12.6 grams orally along with cefpodoxime proxetil 200 mg reduces peak plasma concentrations and area under the plasma concentration-time curve (AUC) of cefpodoxime by 35% to 50%.

Likelihood Probable Evidence B
Chlorpropamide (Diabinese)

Theoretically, sodium bicarbonate might reduce the levels and clinical effects of chlorpropamide.
The elimination of chlorpropamide by the kidneys depends strongly on urine pH. At a pH of 5, the renal clearance of chlorpropamide ranges from 0.5 to 3 mL/hr. At a pH of 8, renal clearance of chlorpropamide ranges from 500 to 1000 mL/hr. When taken in combination with oral sodium bicarbonate, the elimination half-life of chlorpropamide is shortened from 49.7 to 12.8 hours and urinary excretion of chlorpropamide is increased four-fold.

Likelihood Probable Evidence B
Cisplatin (Platinol-Aq)

Theoretically, sodium bicarbonate may increase the risk of hypokalemia in patients receiving cisplatin.
Orally, use of excessive sodium bicarbonate (such as the intake of "tablespoons" of sodium bicarbonate daily or up to one box of baking soda weekly) has been associated with cases of hypokalemia. Furthermore, the most common complication of intravenous sodium bicarbonate is hypokalemia. Cisplatin can cause renal tubular damage, with increased losses of electrolytes including potassium.

Likelihood Possible Evidence D
Corticosteroids

Theoretically, sodium bicarbonate may increase the risk of hypokalemia in patients taking corticosteroids.
Orally, use of excessive sodium bicarbonate (such as the intake of "tablespoons" of sodium bicarbonate daily or up to one box of baking soda weekly) has been associated with cases of hypokalemia. Furthermore, the most common intravenous complication of sodium bicarbonate is hypokalemia. Some glucocorticoids (corticosteroids) can also cause hypokalemia by causing sodium retention, resulting in compensatory renal potassium excretion. It is most common with hydrocortisone, cortisone, and fludrocortisone, followed by prednisone and prednisolone.

Likelihood Possible Evidence D
Loop Diuretics

Theoretically, sodium bicarbonate may increase the risk of hypokalemia in patients taking loop diuretics.
Loop diuretics increase urinary potassium excretion. Orally, use of excessive sodium bicarbonate (such as the intake of "tablespoons" of sodium bicarbonate daily or up to one box of baking soda weekly) has been associated with cases of hypokalemia. Furthermore, the most common complication of intravenous sodium bicarbonate is hypokalemia.

Likelihood Possible Evidence D
Methylxanthines

Theoretically, sodium bicarbonate may increase the risk of hypokalemia in patients taking methylxanthines.
Orally, use of excessive sodium bicarbonate (such as the intake of "tablespoons" of sodium bicarbonate daily or up to one box of baking soda weekly) has been associated with cases of hypokalemia. Furthermore, the most common complication of intravenous sodium bicarbonate is hypokalemia. Theophylline and related drugs can reduce serum potassium levels, possibly by increasing intracellular uptake of potassium. Hypokalemia is most likely to occur after acute overdose of these drugs. However, reduced potassium levels can occur with therapeutic doses, and the incidence and degree of hypokalemia increases with increasing serum theophylline levels.

Likelihood Possible Evidence D
Pseudoephedrine (Sudafed)

Theoretically, sodium bicarbonate may increase levels and adverse effects of pseudoephedrine.
In humans, intravenous or oral administration of sodium bicarbonate can increase urinary pH. Clinical evidence shows that urine alkalinization increases the serum elimination half-life of pseudoephedrine by approximately 10-fold. In one patient with persistently alkaline urine, treatment with pseudoephedrine resulted in hallucinations and personality changes.

Likelihood Probable Evidence B
Sodium-Containing Drugs

Concomitant use of sodium-containing drugs with additional sodium from dietary or supplemental sources may increase the risk of hypernatremia and long-term sodium-related adverse effects.
The Chronic Disease Risk Reduction (CDRR) intake level of 2.3 grams of sodium daily indicates the intake at which it is believed that chronic disease risk increases for the apparently healthy population. Some medications contain high quantities of sodium. When used in conjunction with sodium bicarbonate, the CDRR may be exceeded. Additionally, concomitant use may increase the risk for hypernatremia; this risk is highest in the elderly and people with other risk factors for electrolyte disturbances.

Likelihood Possible Evidence D
Stimulant Laxatives

Theoretically, sodium bicarbonate may increase the risk of hypokalemia in patients taking stimulant laxatives.
Long-term use of stimulant laxatives, or acute use of high doses (e.g., in bowel-cleansing regimens), can result in potassium loss and hypokalemia. Orally, use of excessive sodium bicarbonate (such as intake of "tablespoons" of sodium bicarbonate daily or up to one box of baking soda weekly) has been associated with cases of hypokalemia. Furthermore, the most common complication of intravenous sodium bicarbonate is hypokalemia.

Likelihood Possible Evidence D
Thiazide Diuretics

Theoretically, sodium bicarbonate may increase the risk of hypokalemia in patients taking thiazide diuretics.
Thiazide diuretics increase urinary potassium excretion. Orally, use of excessive sodium bicarbonate (such as the intake of "tablespoons" of sodium bicarbonate daily or up to one box of baking soda weekly) has been associated with cases of hypokalemia. Furthermore, the most common complication of intravenous sodium bicarbonate is hypokalemia.

Likelihood Possible Evidence D
Sodium Bicarbonate full monograph & interactions

Holy Basil extract3 drug types · 212 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, holy basil seed oil might increase the risk of bleeding when used with anticoagulant or antiplatelet drugs.
Animal research shows that holy basil seed oil can prolong bleeding time, possibly due to inhibition of platelet aggregation. However, it is not known if this occurs in humans.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, holy basil might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Small clinical studies show that taking holy basil can decrease fasting blood glucose and other measures of glycemic control in patients with type 2 diabetes.

Likelihood Possible Evidence B
Pentobarbital (Nembutal)

Theoretically, holy basil seed oil might increase the sedative effects of pentobarbital.
Animal research shows that holy basil seed oil increases pentobarbitone-induced sleeping time. However, it is not known if this occurs in humans or if this applies to other barbiturates or sedatives.

Likelihood Possible Evidence D
Holy Basil extract full monograph & interactions

Sodium7 drug types · 205 drugs

Antihypertensive Drugs

Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
High intake of dietary sodium can increase systolic and diastolic blood pressure. Also, high intake of sodium may necessitate increased use of antihypertensive medications to achieve blood pressure control in some patients, such as those with chronic kidney disease.

Likelihood Probable Evidence A
Corticosteroids

Concomitant use of mineralocorticoids and some glucocorticoids with sodium supplements might increase the risk of hypernatremia.
Mineralocorticoids and some glucocorticoids (corticosteroids) cause sodium retention. This effect is dose-related and depends on mineralocorticoid potency. It is most common with hydrocortisone, cortisone, and fludrocortisone, followed by prednisone and prednisolone.

Likelihood Possible Evidence D
Didanosine (Videx)

Concomitant use of didanosine with additional sodium from dietary or supplemental sources may increase the risk of hypernatremia.
Didanosine formulations contain a significant amount of sodium.

Likelihood Probable Evidence C
Lithium

Altering dietary intake of sodium might alter the levels and clinical effects of lithium.
High sodium intake can reduce plasma concentrations of lithium by increasing lithium excretion. Reducing sodium intake can significantly increase plasma concentrations of lithium and cause lithium toxicity in patients being treated with lithium carbonate. Stabilizing sodium intake is shown to reduce the percentage of patients with lithium level fluctuations above 0.8 mEq/L. Patients taking lithium should avoid significant alterations in their dietary intake of sodium.

Likelihood Probable Evidence B
Sodium Phosphates

Theoretically, concomitant use of sodium phosphate with sodium supplements might increase the risk of hypernatremia.
Use of high doses (> 45 mL in 24 hours) of sodium phosphate, such as those used for bowel cleansing before surgery, can lead to serious electrolyte disturbances, including hypernatremia. The risk of hypernatremia is highest in the elderly and people with other risk factors for electrolyte disturbances.

Likelihood Possible Evidence D
Sodium-Containing Drugs

Concomitant use of sodium-containing drugs with additional sodium from dietary or supplemental sources may increase the risk of hypernatremia and long-term sodium-related complications.
The Chronic Disease Risk Reduction (CDRR) intake level of 2.3 grams of sodium daily indicates the intake at which it is believed that chronic disease risk increases for the apparently healthy population. Some medications contain high quantities of sodium. When used in conjunction with sodium supplements or high-sodium diets, the CDRR may be exceeded. Additionally, concomitant use may increase the risk for hypernatremia; this risk is highest in the elderly and people with other risk factors for electrolyte disturbances.

Likelihood Possible Evidence D
Tolvaptan (Samsca)

Theoretically, concomitant use of tolvaptan with sodium might increase the risk of hypernatremia.
Tolvaptan is a vasopressin receptor 2 antagonist that is used to increase sodium levels in patients with hyponatremia. Patients taking tolvaptan should use caution with the use of sodium salts such as sodium chloride.

Likelihood Probable Evidence C
Sodium full monograph & interactions

Calcium18 drug types · 168 drugs

Ceftriaxone (Rocephin)

Co-administration of intravenous calcium and ceftriaxone can result in precipitation of a ceftriaxone-calcium salt in the lungs and kidneys.
Avoid administering intravenous calcium in any form, such as parenteral nutrition or Lactated Ringers, within 48 hours of intravenous ceftriaxone. Case reports in neonates show that administering intravenous ceftriaxone and calcium can result in precipitation of a ceftriaxone-calcium salt in the lungs and kidneys. In several cases, neonates have died as a result of this interaction. So far there are no reports in adults; however, there is still concern that this interaction might occur in adults.

Likelihood Probable Evidence D
Dolutegravir (Tivicay)

Calcium seems to reduce levels of dolutegravir.
Advise patients to take dolutegravir either 2 hours before or 6 hours after taking calcium supplements. Pharmacokinetic research suggests that taking calcium carbonate 1200 mg concomitantly with dolutegravir 50 mg reduces plasma levels of dolutegravir by almost 40%. Calcium appears to decrease levels of dolutegravir through chelation.

Likelihood Probable Evidence B
Elvitegravir (Vitekta)

Calcium seems to reduce levels of elvitegravir.
Advise patients to take elvitegravir either 2 hours before or 2 hours after taking calcium supplements. Pharmacokinetic research suggests that taking calcium along with elvitegravir can reduce blood levels of elvitegravir through chelation.

Likelihood Probable Evidence B
Aluminum

Calcium citrate might increase aluminum absorption and toxicity. Other types of calcium do not increase aluminum absorption.
Calcium citrate can increase the absorption of aluminum when taken with aluminum hydroxide. The increase in aluminum levels may become toxic, particularly in individuals with kidney disease. However, the effect of calcium citrate on aluminum absorption is due to the citrate anion rather than calcium cation. Calcium acetate does not appear to increase aluminum absorption.

Likelihood Possible Evidence B
Bictegravir/Emtricitabine/Tenofovir Alafenamide (Biktarvy)

Calcium might decrease levels of bictegravir/emtricitabine/tenofovir alafenamide by reducing its absorption when taken in a fasting state.
Advise patients that bictegravir/emtricitabine/tenofovir alafenamide and calcium can be taken together if taken with food. However, if taken on an empty stomach, bictegravir/emtricitabine/tenofovir alafenamide should not be taken with, or 2 hours after, calcium containing products.

Likelihood Probable Evidence D
Bisphosphonates

Calcium reduces the absorption of bisphosphonates.
Advise patients to take bisphosphonates at least 30 minutes before calcium, but preferably at a different time of day. Calcium supplements decrease absorption of bisphosphonates.

Likelihood Probable Evidence C
Calcipotriene (Dovonex)

Taking calcipotriene with calcium might increase the risk for hypercalcemia.
Calcipotriene is a vitamin D analog used topically for psoriasis. It can be absorbed in sufficient amounts to cause systemic effects, including hypercalcemia. Theoretically, combining calcipotriene with calcium supplements might increase the risk of hypercalcemia.

Likelihood Possible Evidence B
Digoxin (Lanoxin)

Using intravenous calcium with digoxin might increase the risk of fatal cardiac arrhythmias.
Hypercalcemia increases the risk of fatal cardiac arrhythmias with digoxin. However, one retrospective analysis of clinical data suggests that intravenous calcium does not increase the risk of dysrhythmias or mortality in patients receiving digoxin.

Likelihood Possible Evidence B
Diltiazem (Cardizem, Others)

Theoretically, calcium may reduce the therapeutic effects of diltiazem.
Hypercalcemia can reduce the effectiveness of verapamil in atrial fibrillation. Theoretically, calcium might increase this risk of hypercalcemia and reduce the effectiveness of diltiazem.

Likelihood Probable Evidence D
Levothyroxine (Synthroid, Others)

Calcium seems to reduce the absorption and effectiveness of levothyroxine.
Advise patients to take levothyroxine and calcium supplements at least 4 hours apart. Calcium reduces levothyroxine absorption, probably by forming insoluble complexes. Calcium carbonate supplements reduce effectiveness of levothyroxine in patients with hypothyroidism.

Likelihood Probable Evidence B
Lithium

Theoretically, concomitant use of calcium and lithium may increase this risk of hypercalcemia.
Clinical research suggests that long-term use of lithium may cause hypercalcemia in 10% to 60% of patients. Theoretically, concomitant use of lithium and calcium supplements may further increase this risk.

Likelihood Possible Evidence B
Quinolone Antibiotics

Calcium seems to reduce the absorption of quinolone antibiotics.
Advise patients to take oral quinolones at least 2 hours before or 4-6 hours after calcium supplements or calcium-fortified foods. Taking calcium at the same time as oral quinolones can reduce quinolone absorption. Calcium binds to quinolones in the gut.

Likelihood Probable Evidence B
Raltegravir (Isentress)

Calcium may reduce levels of raltegravir.
Pharmacokinetic research shows that taking a single dose of calcium carbonate 3000 mg along with raltegravir 400 mg twice daily modestly decreases the mean area under the curve of raltegravir, but the decrease does not necessitate a dose adjustment of raltegravir. However, a case of elevated HIV-1 RNA levels and documented resistance to raltegravir has been reported for a patient taking calcium carbonate 1 gram three times daily plus vitamin D3 (cholecalciferol) 400 IU three times daily in combination with raltegravir 400 mg twice daily for 11 months. It is thought that calcium reduced raltegravir levels by chelation, leading to treatment failure.

Likelihood Possible Evidence B
Sotalol (Betapace)

Calcium seems to reduce the absorption of sotalol.
Advise patients to separate doses by at least 2 hours before or 4-6 hours after calcium. Calcium appears to reduce the absorption of sotalol, probably by forming insoluble complexes.

Likelihood Possible Evidence B
Tetracycline Antibiotics

Calcium seems to reduce the absorption of tetracycline antibiotics.
Advise patients to take oral tetracyclines at least 2 hours before, or 4-6 hours after calcium supplements. Taking calcium at the same time as oral tetracyclines can reduce tetracycline absorption. Calcium binds to tetracyclines in the gut.

Likelihood Probable Evidence C
Thiazide Diuretics

Taking calcium along with thiazides might increase the risk of hypercalcemia and renal failure.
Thiazides reduce calcium excretion by the kidneys. Using thiazides along with moderately large amounts of calcium carbonate increases the risk of milk-alkali syndrome (hypercalcemia, metabolic alkalosis, renal failure). Patients may need to have their serum calcium levels and/or parathyroid function monitored regularly.

Likelihood Probable Evidence C
Verapamil (Calan, Others)

Theoretically, calcium may reduce the therapeutic effects of verapamil.
Hypercalcemia can reduce the effectiveness of verapamil in atrial fibrillation. Theoretically, use of calcium supplements may increase this risk of hypercalcemia and reduce the effectiveness of verapamil.

Likelihood Probable Evidence D
Calcium Channel Blockers

Intravenous calcium may decrease the effects of calcium channel blockers; oral calcium is unlikely to have this effect.
Intravenous calcium is used to decrease the effects of calcium channel blockers in the management of overdose. Intravenous calcium gluconate has been used before intravenous verapamil (Isoptin) to prevent or reduce the hypotensive effects without affecting the antiarrhythmic effects. But there is no evidence that dietary or supplemental calcium when taken orally interacts with calcium channel blockers.

Likelihood Unlikely Evidence D
Calcium full monograph & interactions

Papaya4 drug types · 92 drugs

Amiodarone (Cordarone)

Theoretically, papaya extract may increase the levels and clinical effects of amiodarone.
Animal research in rats shows that a single oral dose of papaya extract, as well as multiple doses of papaya extract daily over 14 days, prior to a single dose of amiodarone delays the time to maximum amiodarone concentration. However, only the 14-day papaya extract regimen increases systemic amiodarone exposure by 60% to 70%. This interaction has not been reported in humans.

Likelihood Probable Evidence D
Antidiabetes Drugs

Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects. It is unclear if other forms of papaya have the same effect.
A small low-quality clinical study in patients with type 2 diabetes who are taking glibenclamide shows that taking a fermented papaya preparation 3 grams daily for 2 months decreases fasting and postprandial blood glucose levels when compared to baseline. Additionally, of the 25 patients in the study, 9 required a reduction in glibenclamide dose.

Likelihood Probable Evidence B
Levothyroxine (Synthroid, Others)

Theoretically, consuming large quantities of papaya fruit can reduce the clinical effects of levothyroxine.
In one case-report, a 37-year-old male with a history of thyroidectomy who was stabilized on levothyroxine for 5 years presented with hypothyroidism after consuming 5-6 papaya fruits daily for 14 days during vacation. In a controlled re-challenge test involving 5-6 papayas daily, the patient remained euthyroid for 7 days, but developed mild hypothyroidism after 14 days. Both times, thyroid levels normalized 40-45 days after discontinuing papaya.

Likelihood Possible Evidence D
Warfarin (Coumadin)

Theoretically, concomitant use of warfarin with papain-containing papaya extract might increase the effects and side effects of warfarin.
In one case report, a patient previously stable on warfarin was found to have an international normalization ratio (INR) of 7.4, which was attributed to ingestion of a supplement containing papain from papaya extract.

Likelihood Possible Evidence D
Papaya full monograph & interactions

Potassium3 drug types · 62 drugs

Ace Inhibitors (Aceis)

Using ACEIs with high doses of potassium increases the risk of hyperkalemia.
ACEIs block the actions of the renin-angiotensin-aldosterone system and reduce potassium excretion. Concomitant use of these drugs with potassium supplements increases the risk of hyperkalemia. However, concomitant use of these drugs with moderate dietary potassium intake (about 3775-5200 mg daily) does not increase serum potassium levels.

Likelihood Likely Evidence C
Angiotensin Receptor Blockers (Arbs)

Using ARBs with high doses of potassium increases the risk of hyperkalemia.
ARBs block the actions of the renin-angiotensin-aldosterone system and reduce potassium excretion. Concomitant use of these drugs with potassium supplements increases the risk of hyperkalemia. However, concomitant use of these drugs with moderate dietary potassium intake (about 3775-5200 mg daily) does not increase serum potassium levels.

Likelihood Likely Evidence C
Potassium-Sparing Diuretics

Concomitant use increases the risk of hyperkalemia.
Using potassium-sparing diuretics with potassium supplements increases the risk of hyperkalemia.

Likelihood Likely Evidence C
Potassium full monograph & interactions

Protease Blend1 drug type · 2 drugs

Warfarin (Coumadin)

Theoretically, papain might increase the effects and side effects of warfarin.
In one case report, a patient previously stable on warfarin was found to have an international normalization ratio (INR) of 7.4, which was attributed to ingestion of a supplement containing papain from papaya extract.

Likelihood Possible Evidence D
Protease Blend full monograph & interactions
The maker

Brand information

Manufacturer and brand details for pH Balance, from the product label.

Theramedix BioSET

See all Theramedix BioSET products
Name
Theramedix BioSET
Street Address
1728 Corporate Drive
City
Boynton Beach
State
FL
ZipCode
33426
Phone Number
877-246-7381
Web Address
www.bioset.net
Pharmacist Counseling Corner

pH Balance by Theramedix BioSET: Common Questions

Does pH Balance by Theramedix BioSET interact with any medications?
Yes. Based on its ingredients, pH Balance has a known interaction with 2,184 medications, including 13 rated major. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
pH Balance contains 19 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take pH Balance if I'm pregnant?
Safety data vary by ingredient. Sodium has conflicting ratings (likely safe and possibly unsafe), potassium is likely safe, and calcium is likely safe at recommended amounts. Magnesium is likely safe in pregnancy under medical guidance. Ginger is likely to possibly safe for morning sickness. Marshmallow, papaya (especially unripe), holy basil, and papain are best avoided in pregnancy because safety data are insufficient or there are concerns. Talk with your doctor or pharmacist about whether this product is right for you during pregnancy.
What side effects might I experience from pH Balance?
Most common are gastrointestinal effects: belching, diarrhea, constipation, flatulence, nausea, and abdominal discomfort—largely from the mineral and enzyme content. Ginger may cause heartburn or a burning sensation in the mouth and throat. Sodium bicarbonate can cause bloating. Serious effects are rare but can include very high sodium or potassium levels, high calcium levels, or allergic reactions to papaya or papain in sensitive individuals.
Is there enough evidence that pH Balance actually works?
Evidence is mixed and depends on what you're using it for. Calcium and magnesium have solid evidence for several digestive and mineral-balance uses. Ginger has some support for nausea and muscle soreness. Papaya, holy basil, rosemary, and the enzymes lipase and papain lack strong evidence for the conditions listed. If you're considering this for a specific purpose, check with your doctor about whether the ingredient backing your goal has reliable support.
Can I take pH Balance while breastfeeding?
Potassium and magnesium are likely safe. Calcium is likely safe at recommended amounts. Ginger is likely safe from food amounts. Marshmallow, papaya, holy basil, papain, and the enzyme blends have insufficient safety data or are best avoided while breastfeeding. Check with your doctor or pharmacist before using this product if you're nursing.
What are the enzymes in this product supposed to do?
Lipase helps break down fats; amylase breaks down carbohydrates; protease breaks down proteins; cellulase and pectinase work on plant fibers. Together they're intended to support digestion. However, the evidence that supplemental enzymes work for digestive complaints or inflammatory bowel disease is insufficient according to the data on file.
Why does pH Balance have both sodium and potassium?
Sodium bicarbonate and potassium bicarbonate are common pH buffers in supplements meant to balance acid-base status. However, because this product contains meaningful amounts of both minerals, it's especially important to check with your doctor or pharmacist if you take blood pressure medications, diuretics, or have kidney disease—these minerals can interact with many drugs and affect electrolyte balance.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

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pH Balance label
Go deeper

The Full Monographs Behind pH Balance’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Sodium

Interacts with 205 drugs

Sodium is an essential mineral and electrolyte your body needs to balance fluids, support nerves, and help muscles work. Most people in modern diets get more than enough—often too much—from...

Read the full Sodium monograph → Herb & supplement monograph

Potassium

Interacts with 62 drugs

Potassium is an essential mineral your body needs for nerve signals, muscle function, and a steady heartbeat, and most people get enough from a balanced diet rich in fruits and vegetables. P...

Read the full Potassium monograph → Herb & supplement monograph

Calcium

Interacts with 168 drugs

Calcium is an essential mineral your body needs for strong bones, nerve signaling, and muscle function, and supplements can help fill gaps when diet falls short. Most people do best getting...

Read the full Calcium monograph → Herb & supplement monograph

Magnesium

Interacts with 295 drugs

Magnesium is an essential mineral your body needs for muscles, nerves, blood pressure, and many other functions, and supplements are useful for preventing or correcting deficiency. Some othe...

Read the full Magnesium monograph → Herb & supplement monograph

Marshmallow

Interacts with 2,040 drugs

Marshmallow root is a traditional herb rich in soothing, gel-like fibers called mucilage, which is why it has long been used for coughs, sore throats, and stomach irritation. Evidence for th...

Read the full Marshmallow monograph → Herb & supplement monograph

Ginger

Interacts with 1,007 drugs

Ginger is a widely used culinary spice with a long history in traditional medicine, and it has the strongest evidence for helping with nausea and vomiting, including from motion sickness, pr...

Read the full Ginger monograph → Herb & supplement monograph

Papaya

Interacts with 92 drugs

Papaya is a tropical fruit that is nutritious and generally safe to eat as food, and it contains an enzyme called papain used as a digestive aid and meat tenderizer. Papaya leaf extract is b...

Read the full Papaya monograph → Herb & supplement monograph

Holy Basil

Interacts with 212 drugs

Holy basil (tulsi) is a traditional Ayurvedic herb most often used today for stress and general wellness, but the human evidence is mostly small and preliminary. It is generally well tolerat...

Read the full Holy Basil monograph → Herb & supplement monograph

Rosemary

Interacts with 372 drugs

Rosemary is a fragrant Mediterranean herb that is safe and flavorful in normal food amounts. Some early research suggests possible benefits for memory, mood, and hair growth, but the evidenc...

Read the full Rosemary monograph → Herb & supplement monograph

Lipase

Lipase is a digestive enzyme that helps your body break down dietary fats. It is well established as part of prescription pancreatic enzyme therapy for people who cannot make enough of their...

Read the full Lipase monograph → Herb & supplement monograph

Papain

Interacts with 2 drugs

Papain is a protein-digesting enzyme from the papaya plant that is used in digestive supplements and some topical products. While it has clear food and laboratory uses, strong human evidence...

Read the full Papain monograph → Herb & supplement monograph

Sodium Bicarbonate

Interacts with 257 drugs

Sodium bicarbonate (baking soda) is a simple compound most often used as a fast-acting antacid and, in sports, as a buffer that may help with short, high-intensity exercise. It is generally...

Read the full Sodium Bicarbonate monograph →
Sources

Sources & How We Checked

pH Balance's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 366 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Sodium 38 references
  1. Garabedian-Ruffalo SM, Ruffalo RL. Drug and nutrient interactions. Am Fam Physician 1986;33:165-74.
  2. Food and Drug Administration Science Background: Safety of Sodium Phosphates Oral Solution. September 17, 2001. Available at: http://www.fda.gov/cder/drug/safety/sodiumphospate.htm
  3. Coton T, Mallaret C, Coilliot C, Carre D, Guisset M. Severe acute ulcerated gastritis induced by salt. Presse Med 2009;38(3):499-500. PubMed
  4. Frings-Meuthen P, Buehlmeier J, Baecker N, et al. High sodium chloride intake exacerbates immobilization-induced bone resorption and protein losses. J Appl Physiol 2011;111(2):537-542. PubMed
  5. Frings-Meuthen P, Baecker N, Heer M. Low-grade metabolic acidosis may be the cause of sodium chloride-induced exaggerated bone resorption. J Bone Miner Res 2008;23(4):517-524. PubMed
  6. Alam S, Johnson AG. A meta-analysis of randomised controlled trials (RCT) among healthy normotensive and essential hypertensive elderly patients to determine the effect of high salt (NaCl) diet of blood pressure. J Hum Hypertens 1999;13(6):367-74.
  7. Boudville N, Ward S, Benaroia M, House AA. Increased sodium intake correlates with greater use of antihypertensive agents by subjects with chronic kidney disease. Am J Hypertens 2005;18(10):1300-5. PubMed
  8. Bennett WM. Drug interactions and consequences of sodium restriction. Am J Clin Nutr 1997;65(2 Suppl):678S-681S. PubMed
  9. Okusa MD, Crystal LJ. Clinical manifestations and management of acute lithium intoxication. Am J Med 1994;97(4):383-9. PubMed
  10. Food and Nutrition Board, Institute of Medicine. Dietary reference intakes for water, potassium, sodium, chloride, and sulfate. Washington, DC: National Academy Press, 2005. Available at: http://www.nap.edu/openbook.php?record_id=10925. DOI
  11. D'Elia L, Rossi G, Ippolito R, Cappuccio FP, Strazzullo P. Habitual salt intake and risk of gastric cancer: a meta-analysis of prospective studies. Clin Nutr 2012;31(4):489-98. PubMed
  12. Goldsmith SR. Hyponatremia in heart failure: time for a trial. J Card Fail 2013;19(6):398-400. PubMed
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Lipase 1 reference
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Papaya 14 references
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Rosemary 20 references
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Papain 11 references
  1. The Review of Natural Products by Facts and Comparisons. St. Louis, MO: Wolters Kluwer Co., 1999.
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