Major interaction on record — check this product against your medications before combining. Based on 6 of 14 ingredients. Check your meds →
Dietary supplement

Re-Built Mass Strawberry Milkshake Ingredients & Drug Interactions

by GNC Beyond Raw

Re-Built Mass Strawberry Milkshake label
See full label image
Powder 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 Re-Built Mass Strawberry Milkshake 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

Re-Built Mass Strawberry Milkshake is a dietary supplement by GNC Beyond Raw with 14 active ingredients. Its ingredients are commonly taken for constipation, diarrhea, high cholesterol.Based on those ingredients, 2,200 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Dietary Fiber, Testofen(R) Fenugreek seed extract, Sodium. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

Jump to a section

Check Your Meds Against Re-Built Mass Strawberry Milkshake by GNC Beyond Raw

Ask about any prescription or over-the-counter medication and we check it for interactions with Re-Built Mass Strawberry Milkshake by GNC Beyond Raw — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
Prefer a human? Send your question to our licensed pharmacists — free, answered by email within 24 hours.

HelloPharmacist Scorecard of Re-Built Mass Strawberry Milkshake by GNC Beyond Raw

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 Jul 11, 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 8 of its 28 active ingredients.
  • “Leucine” is listed as a grouped ingredient — the label gives one combined amount (6.20 Gram(s)) without saying how much of each component you get.
  • “Proprietary Blend” is a proprietary blend — the label gives one combined amount (50 mg) without saying how much of each component you get.
  • “Advanced Creatine Complex” is a proprietary blend — the label gives one combined amount (10 Gram(s)) without saying how much of each component you get.

Re-Built Mass has 27 ingredients total. The active players are protein (whey protein isolate, whey protein concentrate, hydrolyzed whey, and calcium caseinate) to support muscle recovery and growth, creatine in several forms (monohydrate, citrate, HCl, AKG, ethyl ester) for muscle strength and athletic performance, and amino acids including L-leucine, L-arginine, L-methionine, and glycine.

You'll also find sodium and potassium for electrolyte balance, calcium for bone and muscle function, betaine and HMB to support muscle breakdown prevention, and botanical extracts—astragalus and Panax notoginseng—for their traditional and research-backed effects. The inactive ingredients are carbohydrate and fat blends for taste and texture, plus binders, sweeteners, and flavoring.

Does it work?

Moderate evidence
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
Moderate

Some clinical evidence supports this product's ingredients for its stated purpose, but it isn't conclusive.

Why this rating?
  • The label markets this product for: Build muscle strength and size for athletic training.
  • We looked for evidence on: Athletic performance, Muscle hypertrophy, Lean muscle gain, Strength development, Post-workout recovery.
  • The strongest evidence on file: Whey Protein is rated "Possibly Effective" for Athletic performance (Natural Medicines).
  • Also on file: Creatine is rated "Possibly Effective" for Athletic performance.
  • Also on file: Fenugreek is rated "Insufficient Reliable Evidence To Rate" for Athletic performance.

Whey protein is possibly effective for athletic performance but possibly ineffective for osteoporosis. Creatine (in its multiple forms here) is possibly effective for muscle strength, athletic performance, and sarcopenia (age-related muscle loss), but possibly ineffective for Huntington disease and bone density.

Calcium is effective for bone health (osteoporosis) and kidney failure, and likely effective for osteoporosis prevention. L-methionine is possibly effective for neural tube birth defects prevention.

For astragalus and Panax notoginseng, evidence isn't established in our data for the conditions studied—we lack reliable data for most uses. Glycine may help schizophrenia, but data are limited.

Potassium and sodium have effectiveness ratings linked to medical conditions rather than athletic or general performance goals.

The evidence, ingredient by ingredient Black Psyllium Sodium Potassium Calcium Prickly Pear Cactus Fenugreek

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 15 of the 15 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 15 of 15.
  • General safety write-ups exist for 15 of 15.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Whey protein is generally well tolerated by most healthy adults; common side effects are dose-related and include bloating, cramps, diarrhea, and nausea. One concern: whey protein has been reported to trigger or worsen acne in some users, especially teenagers and young adults.

Creatine is generally well tolerated in healthy adults but requires caution in those with kidney disease; expect water retention, muscle cramps, and diarrhea as the most common effects. Sodium is essential in small amounts, but too much raises blood pressure and strains the heart—stick to normal dietary amounts and avoid supplements without medical advice.

Potassium from food is fine; supplements can cause dangerously high blood levels, especially in people with kidney problems. Calcium is generally well tolerated at recommended doses.

Astragalus safety data in humans are limited; avoid during pregnancy and breastfeeding. Panax notoginseng has not been adequately studied for safety in pregnancy and is best avoided.

Glycine long-term safety data are limited.

Side effects, ingredient by ingredient Black Psyllium Sodium Potassium Calcium Prickly Pear Cactus Fenugreek

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?
  • 12 of the 15 matched ingredients can interact with medications — Black Psyllium, Catechu, Fenugreek, Calcium, Whey Protein, 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: 2,201 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 you start, double-check if you take HIV medications (dolutegravir or elvitegravir—Major interaction), levodopa for Parkinson's (Major), blood pressure drugs, lithium, steroids, potassium-sparing diuretics, ACE inhibitors, or ARBs (all Moderate). Also check for levothyroxine, sotalol, diltiazem, thyroid meds, quinolone or tetracycline antibiotics, bisphosphonates, immunosuppressants, diabetes drugs, clozapine, aspirin, warfarin, or caffeine use.

If none of these apply, no interactions are documented for the ingredients we could check.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFormula with limited ingredient disclosure with some supporting evidence for its stated purpose. Major medication interactions have been identified, and safety information is well characterized.

This is a muscle-building protein powder geared toward people doing strength training who want to boost protein intake and creatine supplementation. If you take any blood pressure medications, lithium, a thyroid drug, diabetes medication, Parkinson medication, antibiotics, blood thinners, or an antipsychotic, check your exact medications with the tool on this page first.

Talk to your pharmacist or doctor if you have kidney disease, are pregnant or breastfeeding, or are unsure whether this fits your routine.

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

Assessment coverage: 22 of 28 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Feb 25, 2015.

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 Re-Built Mass Strawberry Milkshake, straight from the product label.

Brand GNC Beyond Raw
Barcode (UPC) 048107139568
Net contents 4.8 lb; 76.5 oz.; 2172.5 Gram(s)
Market status On market
Date entered into DSLD Feb 25, 2015
DSLD ID 42236
Product type Other Combinations
Supplement form Powder
Dietary claims / uses Nutrient, All Other, Structure/Function
Intended target group(s) 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 Re-Built Mass Strawberry Milkshake by GNC Beyond Raw, 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:
197.5 Gram(s)
Maximum serving Sizes:
197.5 Gram(s)
Servings per container
11
UPC/BARCODE
048107139568
IngredientAmount% DV
Calories700 {Calories}--
Total Carbohydrates80 Gram(s)27%
Sugar9 Gram(s)--
Calories from Fat140 {Calories}--
Total Fat15 Gram(s)23%
Dietary Fiber5 Gram(s)20%
Protein60 Gram(s)--
Saturated Fat4.5 Grain(s)25%
Sodium190 mg8%
Potassium700 mg20%
Cholesterol100 mg33%
Calcium600 mg60%
L-Leucine0 NP--
hydrolyzed Whey Protein0 NP--
Astragalus membranaceus root extract0 NP--
Calcium Caseinate0 NP--
Leucine6.2 Gram(s)--
Creatine HCl0 NP--
Proprietary Blend50 mg--
Creatine Citrate0 NP--
Betaine2.5 Gram(s)--
L-Arginine, Micronized0 NP--
L-Methionine, Micronized0 NP--
Whey Protein isolate0 NP--
Glycine, Micronized0 NP--
Creatine AKG0 NP--
HMB100 mg--
micronized Creatine Monohydrate0 NP--
micronized Guanidinoacetate0 NP--
Creatine Ethyl Ester HCl0 NP--
Advanced Creatine Complex10 Gram(s)--
Fast-Acting Proprietary Blend (Herb/Botanical)62.5 mg--
Whey Protein concentrate0 NP--
Panax notoginseng root extract0 NP--
Chinese Skullcap root extract0 NP--
Milk Protein isolate0 NP--
micronized AKG0 NP--
Cutch Tree bark extract0 NP--
Anabolic Power & Strength Maximizer0 NP--
Prickly Pear fruit & pad extract1 Gram(s)--
Testofen(R) Fenugreek seed extract600 mg--
Testosterone Support Matrix0 NP--

Other ingredients: Carbohydrate Blend, Protein Blend, Fat Blend, Natural and Artificial flavors, Lecithin, Citric Acid, Malic Acid, Gum Blend, Beet powder, Sucralose, Acesulfame Potassium, Potassium Chloride

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.
Brand IP Statement(s)

GNC BEYOND RAW(R) RE-BUILT MASS- feed your hunger for size, strength and power with this 710 calorie, super-anabolic, 60g multi-phase protein mass gainer engineered with 7 clean, maltodextrin-free carbohydrate sources, an advanced creatine complex and testosterone support to help you pack on size.

GNC BEYOND RAW(R) RE-BUILT MASS provides superior building blocks for hyper-intelligent lean-bulking.

The Physiobolic Edge is the advanced, performance-based technology powering the science behind GNC BEYOND RAW(R) with more than best-in-class, cutting-edge ingredients.

NITRO-FACTOR/87G(TM)

BETAPOWER(R) is a registered trademark of DuPont or its affiliates. Testofen(R) is a registered trademark of Gencor.

Go beyond hardcore- get BEYOND RAW(R)!

General Statements

This extreme hardcore mass gainer features the most advanced new supplementation metholodgy in sports nutrition, the Physiobolic Edge. This new system is based off the latest research that targets the following 7 Primal Physiogenic Factors influencing the strength and size you battle to achieve: ~ Anabolic Hormones ~ Muscle Cell Energy ~ Muscle Cell Protection & Recovery ~ Water Regulation ~ Carbohydrate Metabolism ~ Mental Intensity & Neuro Priming ~ Anabolic Primers No matter your body type, optimal macronutrients and Anabolic Primers fuel your mammoth muscles during hardcore bulking. That's why we re-engineered this lean muscle formula to contain 83g of our most intelligent, high-octane carbohydrates, coming from 7 maltodextrin-free sources such as potato starch, oat flour, waxy maize starch, wheat grass powder and buckwheat. As you strive to transform your body into an all-out muscle-building machine, these high-octane energy sources support your body's Carbohydrate Metabolism with immediate and sustained fuel along with 60g of fast, medium and slow digesting proteins. Together and with other key ingredients, this potent formula also targets two powerful Anabolic Hormones - insulin and testosterone - both necessary for fueling lean, dense, bulging muscles and extreme anabolism. Magnifying your gains also takes earth-shattering strength and power training, which is supported with Muscle Cell Energy.

Our advanced manufacturing process allows us to optimize the active compounds in this formula to give you what you need to beast through plateaus. This super-concentrated gainer also contains potent electrolytes to help maintain Water Regulation and improve hydration working alongside other hardcore ingredients that support Neuro Priming. Plus, the fast-acting antioxidant complex helps shield your hard-earned gains with intensive Muscle Cell Protection & Recovery.

This new researched-based system advances molecular functions not yet targeted by other products by synchronizing with vital physiological mechanisms and genetic pathways before, during and after extreme workouts that unleash your maximum muscle-mind-body potential. This powerful addition gives hardcore sports nutrition a new meaning: physiogenic performance fuel as you push for a physique like never before, muscle-maximizing size, explosive strength and power. The Physiobolic Edge targets the exact 10 factors that open the door to extreme results.

Defined by our expert scientists as the "genesis of the Physiobolic Edge," the following 10 Primal Physiogenic Factors are what you need to support extreme training results. ~ Anabolic Hormones ~ Muscle Cell Energy ~ N.O. Pumps ~ Muscle Cell Protection & Recovery ~ Fat Metabolism ~ Carbohydrate Metabolism ~ Increased Calorie Burning ~ Water Regulation ~ Mental Intensity & Neuro Priming ~ Anabolic Primers

NEW AND IMPROVED!

NATURAL & ARTIFICIAL FLAVOR

DIETARY SUPPLEMENT

NOTICE: Significant product settling may occur

Typical Amino Acid Profile Per Three Scoop Serving Alanine 2535 mg Arginine* 4068 mg Aspartate 5879 mg Cystine 1034 mg Glutamine & Glutamic Acid 11161 mg Glycine* 1584 mg Histidine 1270 mg Isoleucine^ 3526 mg Leucine^* 6624 mg Lysine 5229 mg Methionine* 1590 mg Phenylalanine 2237 mg Proline 4340 mg Serine 2959 mg Threonine 3565 mg Typtophan 986 mg Tyrosine 2189 mg Valine^ 3224 mg Total 64000 mg ^Indicates Branched Amino Acids (BCAA) *Denotes naturally occurring and added free form amino acids.

Products bearing this logo have been tested for banned substances by HFL Sport Science, a world-class anti-doping lab. Product was tested for over 145 banned substances on the 2014 World Anit-Doping Agency (WADA) Prohibited List via HFL skip lot testing protocol #ICP0307. See gnc.com for more information.

When used in conjunction with a resistance training program.

{QRC code} SCAN AND LEARN MORE or visit gnc.com/beyondraw

Now the rest is up to you. Prepare yourself. Experience the difference.

Formula

That's exactly why ANABOLIC POWER & STRENGTH MAXIMIZER is packed with Advanced Creatine Complex compromised of a 5-source, 10g creatine blend with creatine precursors, 6.2g of leucine and 2.5g of betaine to provide mTOR triggered muscle protein synthesis. In addition, combine these ingredients along with TESTOTERONE SUPPORT MATRIX consisting of 600mg of Testofen(R) fenugreek, opuntia and HMB to fuel your body as you work toward achieving undeniable gains in the gym.

EXTREME LEAN-BULKING GAINER + 700 NUTRIENT DENSE CALORIES LOADED WITH 60G PROTEIN & 80G HIGH-OCTANE CARBS TO PACK ON LEAN MUSCLE FAST + 10G CREATINE COMPLEX & 2.5G BETAINE FOR MORE STRENGTH & POWER TO DOMNATE WORKOUTS + DRIVES ANABOLIC FACTORS & IMPROVES SIZE + SUPPORTS HEALTHY TESTOSTERONE LEVELS WITH TESTOFEN(R) + NOW MORE CONCENTRATED + TARGETS 7 PHYSIOGENIC FACTORS

CONTAINS: Milk, Soybeans and Wheat.

Two cups of 2% reduced-fat milk provides an additional 240 calories, 9g total fat (6g saturated fat), 35mg cholesterol, 240mg sodium, 750mg potassium, 23g total carbohydrate (23g sugars) and 16g protein.

FDA Disclaimer Statement

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

Seals/Symbols

PHYSIOBOLIC EDGE

BANNED SUBSTANCE FREE

INFORMED-CHOICE .ORG Trusted by sport

Suggested/Recommended/Usage/Directions

DIRECTIONS: As a dietary supplement, mix three scoops (197.5 g) with 16 fl. oz. of cold water or milk. Consume one serving daily. For best results, mix in a blender.

Discontinue two weeks prior to surgery.

Precautions

CONTAINS: Milk, Soybeans and Wheat.

WARNING: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, under 18 years of age or have a medical condition.

WARNING: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, under 18 years of age or have a medical condition.

KEEP OUT OF REACH OF CHILDREN.

Storage

Store in a cool, dry place.

General

CODE 826354 BPG

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

See for yourself

Re-Built Mass Strawberry Milkshake by GNC Beyond Raw label

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

Re-Built Mass Strawberry Milkshake 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 Re-Built Mass Strawberry Milkshake by GNC Beyond Raw

These are the 14 active ingredients this product is made of. Select any to open its full monograph.

Serving size197.5 Gram(s) Dosage formPowder Servings per container11 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.

Sugar

9 Gram(s) per serving

Dietary Fiber

Interacts with
2,025 drugs
5 Gram(s) per serving

Black psyllium is a soluble-fiber supplement made from the seeds of a Plantago plant, used mostly to ease constipation and support digestive health. I...

Dietary Fiber monograph & interactions

Protein

60 Gram(s) per serving

Sodium

Interacts with
205 drugs
190 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
700 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
600 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

Anabolic Power & Strength Maximizer

0 NP per serving
  • › Leucine
  • › Betaine
  • › Advanced Creatine Complex

Testosterone Support Matrix

0 NP per serving

Other (inactive) ingredients: Carbohydrate Blend, Protein Blend, Fat Blend, Natural and Artificial flavors, Lecithin, Citric Acid, Malic Acid, Gum Blend, Beet powder, Sucralose, Acesulfame Potassium, Potassium Chloride. These complete the product’s ingredient list but are not active constituents.

Interaction report

Re-Built Mass Strawberry Milkshake by GNC Beyond Raw Drug Interactions

Want to check YOUR meds against Re-Built Mass Strawberry Milkshake?

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
2,200Drugs
12 Major 819 Moderate 1,369 Minor

Ingredients driving the most interactions

Dietary Fiber 2,025
Testofen(R) Fenugreek seed extract 389
Sodium 205
Calcium 168
Prickly Pear fruit & pad extract 86

Individual Drug Interactions

The ingredients in Re-Built Mass Strawberry Milkshake interact with 2,200 drugs. Click any drug to see the details.

6 of the 14 ingredients in Re-Built Mass Strawberry Milkshake interact with drugs. Each result below shows which ingredient is responsible. Dietary Fiber Testofen(R) Fenugreek seed extract Sodium Calcium Prickly Pear fruit & pad extract Potassium

Each ingredient & the kinds of drugs it affects

For each ingredient in Re-Built Mass Strawberry Milkshake 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.

Dietary Fiber7 drug types · 2,025 drugs

Carbamazepine (Tegretol)

Theoretically, black psyllium might reduce the effects of carbamazepine and increase the risk for convulsions.
Theoretically, black psyllium might reduce carbamazepine absorption. A preliminary study using blond psyllium reported decreased carbamazepine bioavailability due to binding of the drug to psyllium, as well as reduction of available fluid in the gut for dissolution of the drug. This interaction may also occur with black psyllium.

Likelihood Probable Evidence D
Lithium

Theoretically, taking black psyllium at the same time as lithium might reduce lithium absorption.
The fiber in black psyllium might reduce lithium absorption and plasma levels. Some case reports describe a reduction in plasma lithium levels with concomitant administration of blond psyllium. This was reversed when psyllium was stopped. This interaction may also occur with black psyllium.

Likelihood Probable Evidence D
Metformin (Glucophage)

Theoretically, black psyllium might increase the therapeutic and adverse effects of metformin.
Animal research shows that concurrent consumption of blond psyllium with metformin slows and increases the absorption of metformin. This interaction may also occur with black psyllium. To avoid changes in absorption, take psyllium 30-60 minutes after metformin.

Likelihood Possible Evidence D
Olanzapine (Zyprexa)

Theoretically, taking black psyllium at the same time as olanzapine might reduce olanzapine absorption.
The fiber in black psyllium might decrease the absorption of olanzapine. A single case report describes a reduction in the effectiveness of olanzapine when it was concomitantly administered with an unspecified type of psyllium 3 grams orally twice daily. This effect was reversed when psyllium was stopped.

Likelihood Possible Evidence D
Digoxin (Lanoxin)

Theoretically, taking black psyllium at the same time as digoxin might reduce digoxin absorption and decrease digoxin levels.
Psyllium might bind digoxin in the gut. However, some clinical evidence suggests that psyllium does not impact digoxin absorption.

Likelihood Unlikely Evidence B
Ethinyl Estradiol

Theoretically, taking black psyllium at the same time as ethinyl estradiol might alter levels of estradiol.
Concurrent use of blond psyllium with ethinyl estradiol results in a slight increase in the extent of ethinyl estradiol absorption and a slower rate of absorption. This is unlikely to be clinically significant.

Likelihood Unlikely Evidence D
Oral Drugs

Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Psyllium seems to have variable effects on drug absorption. To avoid changes in absorption, take psyllium 30-60 minutes after oral medications. Animal research shows that blond psyllium delays and increases the absorption of metformin and ethinyl estradiol. Case reports and animal research suggest that blond psyllium might reduce absorption of lithium, digoxin, olanzapine, and carbamazepine. Finally, some pharmacokinetic studies show that psyllium does not affect the absorption of levothyroxine or warfarin. Although many of these studies evaluated blond psyllium, the fiber content in black psyllium may have similar effects.

Likelihood Possible Evidence B
Dietary Fiber full monograph & interactions

Testofen(R) Fenugreek seed extract9 drug types · 389 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, fenugreek might have additive effects when used with anticoagulant or antiplatelet drugs.
Some of the constituents in fenugreek have antiplatelet effects in animal and in vitro research. However, common fenugreek products might not contain sufficient concentrations of these constituents for clinical effects. A clinical study in patients with coronary artery disease or diabetes shows that taking fenugreek seed powder 2.5 grams twice daily for 3 months does not affect platelet aggregation, fibrinolytic activity, or fibrinogen levels .

Likelihood Unlikely Evidence B
Antidiabetes Drugs

Theoretically, fenugreek seed might have additive hypoglycemic effects when used with antidiabetes drugs.
Clinical research shows that fenugreek seed can reduce fasting blood glucose and 2-hour postprandial glucose levels in adults with type 2 diabetes.

Likelihood Probable Evidence B
Clopidogrel (Plavix)

Theoretically, fenugreek seed might alter the clinical effects of clopidogrel by inhibiting its conversion to the active form.
Animal research shows that fenugreek seed 200 mg/kg daily for 14 days increases the maximum serum concentration of clopidogrel by 21%. It is unclear how this affects the pharmacokinetics of the active metabolite of clopidogrel; however, this study found that concomitant use of fenugreek seed and clopidogrel prolonged bleeding time by an additional 11%.

Likelihood Possible Evidence D
Metoprolol (Toprol)

Theoretically, fenugreek seed might have additive hypotensive effects when used with metoprolol.
Animal research shows that fenugreek seed 300 mg/kg daily for 2 weeks decreases systolic and diastolic blood pressure by 9% and 11%, respectively, when administered alone, and by 15% and 22%, respectively, when given with metoprolol 10 mg/kg.

Likelihood Probable Evidence B
Phenytoin (Dilantin)

Theoretically, fenugreek might decrease plasma levels of phenytoin.
Animal research shows that taking fenugreek seeds for 1 week decreases maximum concentrations and the area under the curve of a single dose of phenytoin by 44% and 72%, respectively. This seems to be related to increased clearance. So far, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Sildenafil (Viagra)

Theoretically, concurrent use of sildenafil and fenugreek might reduce levels and therapeutic effects of sildenafil.
Animal research shows that taking fenugreek seeds for 1 week reduces maximum concentrations and the area under the curve of a single dose of sildenafil by 27% and 48%, respectively. So far, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Theophylline

Theoretically, fenugreek may reduce the levels and clinical effects of theophylline.
Animal research shows that fenugreek 50 grams daily for 7 days reduces the maximum serum concentration (Cmax) of theophylline by 28% and the area under the plasma drug concentration-time curve (AUC) by 22%.

Likelihood Possible Evidence D
Warfarin (Coumadin)

Theoretically, fenugreek might have additive effects with warfarin and increase the international normalized ratio (INR).
Some fenugreek constituents have antiplatelet effects, although these might not be present in concentrations that are clinically significant. In one case report, a patient taking warfarin experienced an increased INR when starting to take fenugreek in combination with boldo.

Likelihood Possible Evidence D
Antihypertensive Drugs

Fenugreek may also have an additive effect on blood pressure-lowering medications. Studies on animals have shown that fenugreek seed can decrease both systolic and diastolic blood pressure by up to 22% when combined with metoprolol. Therefore, it is essential to monitor your blood pressure regularly if you are taking fenugreek and metoprolol together or any other antihypertensive drugs.

Likelihood Possible Evidence C
Testofen(R) Fenugreek seed 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

Prickly Pear fruit & pad extract1 drug type · 86 drugs

Antidiabetes Drugs

Combining prickly pear cactus with antidiabetes drugs might increase the risk of hypoglycemia.
Case reports show that combining prickly pear cactus with antidiabetes drugs such as chlorpropamide, glyburide, glipizide, and metformin can increase the risk of hypoglycemia in patients with type 2 diabetes. Advise patients to monitor glucose levels closely. Dose adjustments may be necessary.

Likelihood Probable Evidence D
Prickly Pear fruit & pad extract 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
The maker

Brand information

Manufacturer and brand details for Re-Built Mass Strawberry Milkshake, from the product label.

GNC Beyond Raw

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Phone Number
1-888-462-2548
Pharmacist Counseling Corner

Re-Built Mass Strawberry Milkshake by GNC Beyond Raw: Common Questions

Does Re-Built Mass Strawberry Milkshake by GNC Beyond Raw interact with any medications?
Yes. Based on its ingredients, Re-Built Mass Strawberry Milkshake has a known interaction with 2,200 medications, including 12 rated major. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Re-Built Mass Strawberry Milkshake contains 14 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 use this if I'm taking blood pressure medication?
The sodium in this product can reduce how well blood pressure drugs work. Talk to your pharmacist or doctor first—they may need to adjust your dose or have you take them at different times.
Does this help build muscle?
Whey protein is possibly effective for athletic performance, and creatine is possibly effective for muscle strength and athletic performance. Results depend on your training and overall diet.
Will this cause acne?
Whey protein has been reported to trigger or worsen acne in some people, especially younger users. If you notice new breakouts after starting it, stop and let your doctor know.
Is it safe during pregnancy?
Safety data for high-dose supplements in pregnancy are limited or mixed. The data advise against astragalus and Panax notoginseng in pregnancy. Talk with your doctor or pharmacist about whether this product is right for you.
What are the most common side effects?
Whey protein can cause bloating, cramps, diarrhea, and nausea at high doses. Creatine often causes mild water retention, muscle cramps, and diarrhea. Most effects are dose-related and mild.
Is this safe if I have kidney disease?
Creatine requires caution in people with kidney disease—talk to your doctor before using this product. Also, high sodium and potassium may not be safe for you.

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

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Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Re-Built Mass Strawberry Milkshake label
Go deeper

The Full Monographs Behind Re-Built Mass Strawberry Milkshake’s Ingredients

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

Herb & supplement monograph

Black Psyllium

Interacts with 2,025 drugs

Black psyllium is a soluble-fiber supplement made from the seeds of a Plantago plant, used mostly to ease constipation and support digestive health. It is best known and most studied for rel...

Read the full Black Psyllium monograph → 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

Prickly Pear Cactus

Interacts with 86 drugs

Prickly pear cactus is a desert plant whose pads and fruit are eaten as food and taken as a supplement, mainly for blood sugar, cholesterol, and hangover symptoms. Some small studies suggest...

Read the full Prickly Pear Cactus monograph → Herb & supplement monograph

Fenugreek

Interacts with 389 drugs

Fenugreek is a common kitchen spice that is also taken as a supplement, mainly for blood sugar, cholesterol, and to support breast milk production. Some early research is encouraging for blo...

Read the full Fenugreek monograph →
Sources

Sources & How We Checked

Re-Built Mass Strawberry Milkshake'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 429 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.

Black Psyllium 18 references
  1. McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
  2. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
  3. Covington TR, et al. Handbook of Nonprescription Drugs. 11th ed. Washington, DC: American Pharmaceutical Association, 1996.
  4. Etman M. Effect of a bulk forming laxative on the bioavailablility of carbamazepine in man. Drug Dev Ind Pharm 1995;21:1901-6.
  5. Perlman BB. Interaction between lithium salts and ispaghula husk. Lancet 1990;335:416.
  6. Vaswani SK, Hamilton RG, Valentine MD, Adkinson NF. Psyllium laxative-induced anaphylaxis, asthma, and rhinitis. Allergy 1996;51:266-8. PubMed
  7. Lantner RR, Espiritu BR, Zumerchik P, Tobin MC. Anaphylaxis following ingestion of a psyllium-containing cereal. JAMA 1990;264:2534-6. DOI
  8. Kaplan MJ. Anaphylactic reaction to "Heartwise." N Engl J Med 1990;323:1072-3. DOI
  9. Nordstrom M, Melander A, Robertsson E, Steen B. Influence of wheat bran and of a bulk-forming ispaghula cathartic on the bioavailability of digoxin in geriatric in-patients. Drug Nutr Interact 1987;5:67-9..
  10. Robinson DS, Benjamin DM, McCormack JJ. Interaction of warfarin and nonsystemic gastrointestinal drugs. Clin Pharmacol Ther 1971;12:491-5. PubMed
  11. Garcia JJ, Fernandez N, Diez MJ, et al. Influence of two dietary fibers in the oral bioavailability and other pharmacokinetic parameters of ethinyloestradiol. Contraception 2000;62:253-7. PubMed
  12. Fernandez N, Lopez C, Díez R, et al. Drug interactions with the dietary fiber Plantago ovata husk. Expert Opin Drug Metab Toxicol 2012;8(11):1377-86.
  13. Semen plantaginis in: WHO Monographs on Selected Medicinal Plants, volume 1. World Health Organization, Geneva, 1999. Available at http://apps.who.int/medicinedocs/en/d/Js2200e/. Accessed November 26, 1026.
  14. Code of Federal Regulations, Title 21 (21CFR 101.17). Food labeling warning, notice, and safe handling statements. Available at www.ecfr.gov/cgi-bin/text-idx?SID=20f647d3b74161501f46564b915b4048&mc=true&node=se21.2.101_117&rgn=div8. Accessed December 3, 2
  15. Code of Federal Regulations, Title 21 (21CFR 201.319). Specific labeling requirements - water-soluble gums, hydrophilic gums, and hydrophilic mucilloids. Available at www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=201.319. Accessed Dece
  16. Diez R, Garcia JJ, Diez MJ, Sierra M, Sahagun AM, Fernandez N. Influence of Plantago ovata husk (dietary fiber) on the bioavailability and other pharmacokinetic parameters of metformin in diabetic rabbits. BMC Complement Altern Med. 2017 Jun 7;17(1):298. PubMed
  17. Chiu AC, Sherman SI. Effects of pharmacological fiber supplements on levothyroxine absorption. Thyroid. 1998;8(8):667-71. PubMed
  18. Merrick C, Madden CA, Capurso NA. A Case of Blunted Orally Disintegrating Olanzapine Effect Due to Coadministered Psyllium. J Clin Psychiatry 2021;82(2):20cr13633. PubMed

See these in context on the Black Psyllium monograph →

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
  13. Willocks L, Brettle R, Keen J, Valentine C, Pinching AJ. Formulations of didanosine (ddI) and salt overload. Lancet 1992;339(8786):190.
  14. Chen L, Zhang Z, Chen W, Whelton PK, Appel LJ. Lower Sodium Intake and Risk of Headaches: Results From the Trial of Nonpharmacologic Interventions in the Elderly. Am J Public Health. 2016;106(7):1270-5. PubMed
  15. Cook NR, Appel LJ, Whelton PK. Lower levels of sodium intake and reduced cardiovascular risk. Circulation. 2014;129(9):981-9. PubMed
  16. Cook NR, Appel LJ, Whelton PK. Sodium Intake and All-Cause Mortality Over 20 Years in the Trials of Hypertension Prevention. J Am Coll Cardiol. 2016;68(15):1609-1617. PubMed
  17. Mente A, O'Donnell M, Rangarajan S, et al. Associations of urinary sodium excretion with cardiovascular events in individuals with and without hypertension: a pooled analysis of data from four studies. Lancet. 2016;388(10043):465-75. PubMed
  18. Moosavian SP, Haghighatdoost F, Surkan PJ, Azadbakht L. Salt and obesity: a systematic review and meta-analysis of observational studies. Int J Food Sci Nutr. 2017;68(3):265-277. PubMed
  19. O'Donnell M, Mente A, Rangarajan S, et al. Urinary sodium and potassium excretion, mortality, and cardiovascular events. N Engl J Med. 2014;371(7):612-23. DOI
  20. Poggio R, Gutierrez L, Matta MG, Elorriaga N, Irazola V, Rubinstein A. Daily sodium consumption and CVD mortality in the general population: systematic review and meta-analysis of prospective studies. Public Health Nutr. 2015;18(4):695-704. PubMed
  21. Stallings VA, Harrison M, Oria M; Committee to Review the Dietary Reference Intakes for Sodium and Potassium, Food and Nutrition Board, Health and Medicine Division, National Academies of Sciences, Engineering, and Medicine. Washington (DC): National Acad
  22. Mahtani KR, Heneghan C, Onakpoya I, et al. Reduced Salt Intake for Heart Failure: A Systematic Review. JAMA Intern Med. 2018 Dec 1;178(12):1693-1700. PubMed
  23. Yancy CW. Sodium Restriction in Heart Failure: Too Much Uncertainty-Do the Trials. JAMA Intern Med. 2018 Dec 1;178(12):1700-1701. PubMed
  24. He FJ, Campbell NRC, Ma Y, MacGregor GA, Cogswell ME, Cook NR. Errors in estimating usual sodium intake by the Kawasaki formula alter its relationship with mortality: implications for public health. Int J Epidemiol. 2018;47(6):1784-1795. PubMed
  25. Murthy K, Ondrey GJ, Malkani N, et al. THE EFFECTS OF HYPONATREMIA ON BONE DENSITY AND FRACTURES: A SYSTEMATIC REVIEW AND META-ANALYSIS. Endocr Pract. 2019;25(4):366-378. PubMed
  26. Messerli FH, Hofstetter L, Syrogiannouli L, et al. Sodium intake, life expectancy, and all-cause mortality. Eur Heart J 2021;42(21):2103-2112. PubMed
  27. Graudal NA, Hubeck-Graudal T, Jurgens G. Effects of low sodium diet versus high sodium diet on blood pressure, renin, aldosterone, catecholamines, cholesterol, and triglyceride. Cochrane Database Syst Rev 2020;12(12):CD004022. PubMed
  28. Giatti S, Santos RB, Aielo AN, et al. Association of sodium with obstructive sleep apnea. The ELSA-Brasil study. Ann Am Thorac Soc 2021;18(3):502-510. PubMed
  29. Nan X, Lu H, Wu J, et al. The interactive association between sodium intake, alcohol consumption and hypertension among elderly in northern China: a cross-sectional study. BMC Geriatr 2021;21(1):135. PubMed
  30. Kyozuka H, Fukusda T, Murata T, et al. Impact of preconception sodium intake on hypertensive disorders of pregnancy: The Japan Environment and Children's study. Pregnancy Hypertens 2021;23:66-72. PubMed
  31. Zhao L, Ogden CL, Yang Q, et al. Association of usual sodium intake with obesity among US children and adolescents, NHANES 2009-2016. Obesity (Silver Spring) 2021;29(3):587-594. PubMed
  32. Ma Y, He FJ, Sun Q, et al. 24-Hour urinary sodium and potassium excretion and cardiovascular risk. N Engl J Med 2022;386(3):252-263. PubMed
  33. Liu J, Yang X, Zhang P, et al. Association of urinary sodium excretion and left ventricular hypertrophy in people with type 2 diabetes mellitus: A cross-sectional study. Front Endocrinol (Lausanne) 2021;12:728493. PubMed
  34. Filippini T, Malavolti M, Whelton PK, Vinceti M. Sodium intake and risk of hypertension: A systematic review and dose-response meta-analysis of observational cohort studies. Curr Hypertens Rep 2022;24(5):133-144. PubMed
  35. Wang DD, Li Y, Nguyen XT, et al. Dietary sodium and potassium intake and risk of non-fatal cardiovascular diseases: The million veteran program. Nutrients 2022;14(5):1121. PubMed
  36. Kwak JH, Park CH, Eun CS, et al. The associations of dietary intake of high sodium and low zinc with gastric cancer mortality: A prospective cohort study in Korea. Nutr Cancer 2022;74(10):3501-3508. PubMed
  37. George S, Maiti R, Mishra BR, Jena M, Mohapatra D. Effect of regulated add-on sodium chloride intake on stabilization of serum lithium concentration in bipolar disorder: A randomized controlled trial. Bipolar Disord 2023;25(1):66-75. PubMed
  38. Zhou TL, Schütten MTJ, Kroon AA, et al. Urinary Sodium Excretion and Salt Intake Are Not Associated With Blood Pressure Variability in a White General Population. J Am Heart Assoc 2023;12(1):e026578. PubMed

See these in context on the Sodium monograph →

Potassium 12 references
  1. McEvoy GK, ed. AHFS Drug Information. Bethesda, MD: American Society of Health-System Pharmacists, 1998.
  2. Gennaro A. Remington: The Science and Practice of Pharmacy. 19th ed. Lippincott: Williams & Wilkins, 1996.
  3. Whelton PK, He J, Cutler JA, et al. Effects of oral potassium on blood pressure. Meta-analysis of randomized controlled clinical trials. JAMA 1997;277:1624-32. PubMed
  4. Phillips, C. O., Kashani, A., Ko, D. K., Francis, G., and Krumholz, H. M. Adverse effects of combination angiotensin II receptor blockers plus angiotensin-converting enzyme inhibitors for left ventricular dysfunction: a quantitative review of data from ra DOI
  5. Altieri, P. I., Herrero, C., Suero, R., and Ortiz, A. Bleeding duodenal ulcer in a patient taking slow-releasing potassium tablets. Bol.Asoc.Med P.R. 1977;69(8):276.
  6. Raf, L. E. Enteric-coated potassium chloride tablets and ulcer of the small intestine. Acta Chir Scand Suppl 1967;(374):1-87.
  7. Potassium chloride oral solution [package insert]. Allentown, PA: Lehigh Valley Technologies, Inc.; 2014.
  8. Potassium chloride injection [package insert]. Lake Forest, IL: Hospira Inc.; 2009.
  9. Patel RB, Tannenbaum S, Viana-Tejedor A, et al. Serum potassium levels, cardiac arrhythmias, and mortality following non-ST-elevation myocardial infarction or unstable angina: insights from MERLIN-TIMI 36. Eur Heart J Acute Cardiovasc Care 2017 Feb;6(1):1 PubMed
  10. Malta D, Arcand J, Ravindran A, Floras V, Allard JP, Newton GE. Adequate intake of potassium does not cause hyperkalemia in hypertensive individuals taking medications that antagonize the renin angiotensin aldosterone system. Am J Clin Nutr 2016 Oct;104(4 PubMed
  11. Keskin M, Kaya A, Tatlisu MA, et al. The effect of serum potassium level on in-hospital and long-term mortality in ST elevation myocardial infarction. Int J cardiol. 2016 Oct 15;221:505-10.
  12. Stallings VA, Harrison M, Oria M; Committee to Review the Dietary Reference Intakes for Sodium and Potassium, Food and Nutrition Board, Health and Medicine Division, National Academies of Sciences, Engineering, and Medicine. Washington (DC): National Acad

See these in context on the Potassium monograph →

Calcium 62 references
  1. Shils M, Olson A, Shike M. Modern Nutrition in Health and Disease. 8th ed. Philadelphia, PA: Lea and Febiger, 1994.
  2. Hernandez-Avila M, Gonzalez-Cossio T, Hernandez-Avila JE, et al. Dietary calcium supplements to lower blood lead levels in lactating women: a randomized placebo-controlled trial. Epidemiology 2003;14:206-12.. PubMed
  3. Thys-Jacobs S, Ceccarelli S, Bierman A, et al. Calcium supplementation in premenstrual syndrome: a randomized crossover trial. J Gen Intern Med 1989;4:183-9. PubMed
  4. Maton PN, Burton ME. Antacids revisited: a review of their clinical pharmacology and recommended therapeutic use. Drugs 1999;57:855-70.
  5. Clemens JD, Feinstein AR. Calcium carbonate and constipation: a historical review of medical mythopoeia. Gastroenterology 1977;72:957-61. DOI
  6. Saunders D, Sillery J, Chapman R. Effect of calcium carbonate and aluminum hydroxide on human intestinal function. Dig Dis Sci 1988;33:409-13. PubMed
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Baikal Skullcap 34 references
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Catechu 9 references
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See these in context on the Catechu monograph →

Prickly Pear Cactus 9 references
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Fenugreek 30 references
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DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

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