Major interaction on record — check this product against your medications before combining. Based on 6 of 12 ingredients. Check your meds →
Dietary supplement

Mass Tech Strawberry Ingredients & Drug Interactions

by MuscleTech Performance Series

Mass Tech Strawberry 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 Mass Tech Strawberry 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

Mass Tech Strawberry is a dietary supplement by MuscleTech Performance Series with 12 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, 356 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Sodium, Calcium, Iron. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Mass Tech Strawberry by MuscleTech Performance Series

Ask about any prescription or over-the-counter medication and we check it for interactions with Mass Tech Strawberry by MuscleTech Performance Series — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Mass Tech Strawberry by MuscleTech Performance Series

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

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 10 of its 10 active ingredients.
  • “Enzyme Digestion Complex:” is a proprietary blend — the label doesn't break down how much of each component you get.
  • “MASS-TECH Co-Factors” is listed as a grouped ingredient — the label doesn't break down how much of each component you get.

Mass Tech Strawberry contains 10 active ingredients. The main ones are sodium and calcium, both electrolytes important for muscle function and hydration.

Iron supports oxygen delivery to muscles. Creatine monohydrate is a compound that helps muscles produce energy during intense exercise.

L-glutamine is an amino acid (a building block of protein) that supports muscle recovery. Papain is an enzyme from papaya that may aid digestion.

The product also contains an enzyme digestion complex and amylase to help break down carbohydrates and proteins—useful in a mass-gain supplement meant to help you absorb more calories and nutrients.

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: muscle strength size and athletic performance.
  • We looked for evidence on: Athletic performance, Exercise-induced muscle damage, Exercise-induced muscle soreness, Muscle recovery, Sports training, Strength building — and 1 related terms.
  • The strongest evidence on file: Creatine is rated "Possibly Effective" for Athletic performance (Natural Medicines).
  • Also on file: Glutamine is rated "Possibly Ineffective" for Athletic performance.
  • Also on file: Iron is rated "Possibly Ineffective" for Athletic performance.

Creatine monohydrate in this product has possibly effective evidence for building muscle strength and improving athletic performance. Iron is effective for treating iron deficiency anemia.

L-glutamine is possibly effective for muscle recovery after injury or surgery and for certain medical conditions like sickle cell disease. Sodium and calcium are essential minerals, though the data we hold focuses on their use in treating specific deficiency conditions rather than performance.

For papain and the digestive enzymes, evidence for their effectiveness isn't established in our data.

The evidence, ingredient by ingredient Sodium Calcium Iron Papain Creatine Glutamine

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 6 of the 6 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 6 of 6.
  • General safety write-ups exist for 6 of 6.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

The sodium content is the main safety concern here. Too much sodium can raise blood pressure and strain your heart—the data cautions that normal dietary sodium is fine, but supplements or very high intake should be discussed with your doctor first.

Calcium is generally well tolerated at recommended amounts; common mild side effects include constipation and stomach upset. Iron can cause abdominal pain, constipation, diarrhea, nausea, and vomiting, especially at higher doses.

Creatine may cause water retention, muscle cramps, and dehydration. L-glutamine and papain can cause gastrointestinal upset in some people, and papain may trigger allergic reactions in sensitive individuals.

Do not use this product in pregnancy or while breastfeeding without discussing it with your doctor—safety data is incomplete or cautions against it for most of these ingredients.

Side effects, ingredient by ingredient Sodium Calcium Iron Papain Creatine Glutamine

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?
  • 5 of the 6 matched ingredients can interact with medications — Papain, Calcium, Glutamine, Iron, Sodium.
  • The most serious interaction on file is rated Major.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; seizure medications; heart-rhythm medications; lithium; Parkinson's medications.
  • For scale: 356 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.

Check with your pharmacist before using this if you take: blood pressure medications (the sodium may reduce their effectiveness), blood thinners like warfarin (papain may increase bleeding risk), HIV integrase inhibitors like dolutegravir or elvitegravir (calcium can lower their levels dangerously), thyroid medication or quinolone/tetracycline antibiotics (iron may reduce absorption), bisphosphonates for bone health (iron interferes), lithium (sodium alters levels), corticosteroids, or seizure medications. No interactions are documented for amylase, leucine, isoleucine, or valine.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with some supporting evidence for its stated purpose. Major medication interactions have been identified, and safety information is well characterized.

This is a mass-gain powder aimed at people building muscle, but the sodium and calcium content, plus interactions with common medications, means it's not for everyone. If you take blood pressure drugs, blood thinners, thyroid medication, antibiotics, HIV medications, or seizure medications, check with your pharmacist before using it.

Talk to your doctor or pharmacist about whether this product fits your health situation and medications.

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

Assessment coverage: 6 of 10 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Oct 21, 2017.

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 Mass Tech Strawberry, straight from the product label.

Brand MuscleTech Performance Series
Barcode (UPC) 631656703177
Net contents 7 lbs; 3.18 kg
Market status On market
Date entered into DSLD Oct 21, 2017
DSLD ID 79315
Product type Other Combinations
Supplement form Powder
Dietary claims / uses 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 Mass Tech Strawberry by MuscleTech Performance Series, 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:
230 Gram(s)
Maximum serving Sizes:
230 Gram(s)
Servings per container
14
UPC/BARCODE
631656703177
IngredientAmount% DV
Calories1010 Calorie(s), 840 Calorie(s)--
Total Carbohydrates156 Gram(s), 132 Gram(s)52%, 44%
Sugar34 Gram(s), 9 Gram(s)--
Calories from Fat60 Calorie(s), 60 Calorie(s)--
Saturated Fat4 Gram(s), 4 Gram(s)20%, 20%
Sodium620 mg, 410 mg26%, 17%
Calcium1343 mg, 745 mg134%, 75%
Iron0.89 mg, 0.74 mg5%, 4%
Total Fat7 Gram(s), 7 Gram(s)11%, 11%
Protein80 Gram(s), 63 Gram(s)160%, 126%
Amylase50 mg, 50 mg--
Papain50 mg, 50 mg--
Cholesterol210 mg, 200 mg70%, 67%
Creatine Monohydrate10 Gram(s), 10 Gram(s)--
Enzyme Digestion Complex:0 NP, 0 NP--
MASS-TECH Co-Factors0 NP, 0 NP--
L-Glutamine13.9 Gram(s), 10.4 Gram(s)--
L-Leucine8 Gram(s), 6.5 Gram(s)--
L-Isoleucine4.9 Gram(s), 4.1 Gram(s)--
L-Valine4.3 Gram(s), 3.4 Gram(s)--

Other ingredients: Multi-Phase Carb Complex, Multi-Phase Protein System, Natural and Artificial flavors, Calcium Carbonate, Red Beet powder, Gum Blend, Citric Acid, Sucralose, Acesulfame-Potassium, Medium Chain Triglycerides, Soy Lecithin

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.
General Statements

America's #1 selling bodybuilding supplement brand

#1 most award winning sports nutrition brand #1 most clinical studies in science Gold medal American masters of taste superior taste 20 years of excellence

No proprietary blends No hype No underdosed key ingredients No exceptions

Just the most powerful formulas available

Based on a research at a leading American university Test subjects rapidly added mass! Gains in body mass (lbs.) 7 6 5 4 3 2 1 0 Calories in Mass-Tech & skim milk 5x the mass An 8-week study examined the addition of 2,000 calories (over 2,000 calories are found in 2 servings of Mass-Tech each mixed with 2 cups of skim milk) to a high-protein diet containing approximately 2,300 calories and a weightlifting program. On average, subjects gained 6.8 lbs. or mass while control subjects gained 1.3 lbs. Test subjects increased chest & arm size! Arms: +0.5 inches Chests: +1.2 inches Waist: No significant gain! In the same study noted about, test subjects also gained massive size where it matters most - directly on their chest and arms. They gained 1.2 in. on their chest and 0.5 in. on their arms versus the control group, which only added 0.5 in. and 0.2 in.

7 lbs. new size more servings Research & development America's #1 selling bodybuilding supplement brand Scientifically superior mass gainer Designed for the hardgainer

Build mass and strength

When mixed with 2 cups of skim milk Subjects gained 5 times the mass in 8 weeks Results based on caloric intake testing. See back for study details. Natural and artificial flavors

See supplement facts for cholesterol and fat content.

Twitter @MuscleTech Facebook.com/MuscleTech

Made in the U.S.A. from international and domestic ingredients.

Seals/Symbols

Made in the USA from domestic & international ingredients

Guaranteed Banned Substance Free

cGMP Manufactured Manufactured according to cGMP standards, as is required for all dietary supplements.

Formulation

Guaranteed Banned Substance Free

No banned substances

Brand IP Statement(s)

If you're serious about performance and results, you need the all-new MuscleTech Performance Series!

Mass-Tech - The scientifically superior mass gainer New Mass-Tech is an advanced muscle mass gainer designed for any individual who has a tough time adding size, is in their bulking phase or wants to break through their strength plateaus.

MuscleTech is America's #1 selling bodybuilding brand based on cumulative wholesale dollar sales 2001 to present.

Protected by U.S. patents #5,968,544. ModCarb is a trademark of VDF FutureCeuticals, Inc. ModCarb is manufactured under U.S. patent #6,060,519, used under license from VDF FutureCeuticals, Inc.

2016.

Formula

Power-packed with 80g of protein and 1,010 mass-producing calories when mixed with 2 cups of skim milk, this potency superior formula is also enhanced with a proven anabolic driver for rapid mass and strength gains! Better quality calories designed for the hardgainer Mass-Tech is a powerful and scientifically superior weight gainer designed to be taken twice daily. The new, powerful formula now delivers a massive, 1,010 calories (when mixed with 2 cups of skim milk) derived from high-quality protein and quickly digested carbohydrates. More protein per serving than other weight gainers New and improved formula features an 80g multi-phase protein system (when mixed with 2 cups of skim milk), which supplies fast- and slow-digesting proteins. The multi-phase protein system provides critical amino acids to the body at varying speeds. More BCAAs and L-Leucine per serving than other weight gainers The formula's protein dose supplies a massive 8g of L-leucine and 17g of BCAAs when mixed with 2 cups of skim milk, which helps fuel your skeletal muscles, preserve muscle glycogen stores and reduce the amount of protein breakdown. Build more strength Unlike other leading gainers that contain little to no creatine, Mass-Tech delivers a 10g clinically validated dose to increase strength fast. Helps replenish glycogen stores Supplies 156g of carbohydrates when mixed with 2 cups of skim milk through a multi-phase carb complex to both spike insulin, quickly shuttling creatine into the muscle, and promote muscle glycogen replenishment, helping to put the body into an anabolic state.

80g protein 156g carbs 1,010 calories

17g BCAAs 8g Leucine 10g Creatine monohydrate

Contains milk, soy, egg and coconut ingredients.

This product contains 10g of creatine monohydrate per serving, which is in addition to the 63g of protein per serving shown in the supplement facts. Creatine is not counted toward the total amount of protein in this product.

FDA Statement of Identity

Dietary Supplement

Precautions

Contains milk, soy, egg and coconut ingredients. Processed in a facility that also processes peanuts, tree nuts, fish/crustacean/shellfish oil and wheat ingredients.

Warning: Not intended for use by persons under 18.

Do not use if pregnant or nursing.

Consult a medical doctor if you have a medical condition or before starting any diet or exercise program.

Keep out of reach of children.

Do not use if packaging has been tampered with.

Suggested/Recommended/Usage/Directions

Directions: Mix 1 serving (5 scoops) with 16 oz. of water or skim milk and consume 2 times daily. Take in the morning, between meals, or post-workout. Read the entire label before use and follow directions provided. Drink 8 to 10 glasses of water daily for general good health.

Storage

Store in a cool, dry place (60(0)F to 80(0)F).

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.

General

13163US 1216

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

See for yourself

Mass Tech Strawberry by MuscleTech Performance Series label

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

Mass Tech Strawberry 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 Mass Tech Strawberry by MuscleTech Performance Series

These are the 12 active ingredients this product is made of. Select any to open its full monograph.

Serving size230 Gram(s) Dosage formPowder Servings per container14 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

34 Gram(s) per serving

Sodium

Interacts with
205 drugs
620 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

Calcium

Interacts with
168 drugs
1343 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

Iron

Interacts with
80 drugs
0.89 mg per serving

Iron is an essential mineral your body needs to make hemoglobin and carry oxygen in the blood. Supplements are mainly useful for treating or preventin...

Iron monograph & interactions

Protein

80 Gram(s) per serving

Enzyme Digestion Complex:

0 NP per serving

MASS-TECH Co-Factors

0 NP per serving

Other (inactive) ingredients: Multi-Phase Carb Complex, Multi-Phase Protein System, Natural and Artificial flavors, Calcium Carbonate, Red Beet powder, Gum Blend, Citric Acid, Sucralose, Acesulfame-Potassium, Medium Chain Triglycerides, Soy Lecithin. These complete the product’s ingredient list but are not active constituents.

Interaction report

Mass Tech Strawberry by MuscleTech Performance Series Drug Interactions

Want to check YOUR meds against Mass Tech Strawberry?

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
356Drugs
7 Major 346 Moderate 3 Minor

Ingredients driving the most interactions

Sodium 205
Calcium 168
Iron 80
L-Glutamine 50
Papain 2

Individual Drug Interactions

The ingredients in Mass Tech Strawberry interact with 356 drugs. Click any drug to see the details.

5 of the 12 ingredients in Mass Tech Strawberry interact with drugs. Each result below shows which ingredient is responsible. Sodium Calcium Iron L-Glutamine Papain

Each ingredient & the kinds of drugs it affects

For each ingredient in Mass Tech Strawberry 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.

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

Iron13 drug types · 80 drugs

Bictegravir/Emtricitabine/Tenofovir Alafenamide (Biktarvy)

Iron 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 iron 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, iron containing products.

Likelihood Probable Evidence D
Bisphosphonates

Iron reduces the absorption of bisphosphonates.
Advise patients that doses of bisphosphonates should be separated by at least two hours from doses of all other medications, including supplements such as iron. Divalent cations, including iron, can decrease absorption of bisphosphonates by forming insoluble complexes in the gastrointestinal tract.

Likelihood Probable Evidence D
Denosumab (Prolia, Others)

Administration of intravenous iron within one month of denosumab administration might increase the risk of severe hypophosphatemia and hypocalcemia.
A case of severe hypocalcemia (albumin corrected calcium 6.88 mg/dL, ionized calcium 3.68 mg/dL) and hypophosphatemia (<0.5 mg/dL) with respiratory acidosis, QT interval prolongation, and nonsustained ventricular tachycardia was reported in a 76-year-old male who had received an iron polymaltose infusion within 2 weeks of a subcutaneous injection of denosumab. Serum parathyroid hormone was also elevated (348 pg/mL). Subsequent iron infusions with iron polymaltose and ferric carboxymaltose were followed by transient hypophosphatemia, but without hypocalcemia. Additionally, a literature review describes 6 additional cases of hypophosphatemia and hypocalcemia in patients 52-92 years of age who had been administered intravenous iron as either ferric carboxymaltose or iron polymaltose and subcutaneous denosumab within 1-4 weeks of each other.

Likelihood Possible Evidence D
Dolutegravir (Tivicay)

Iron might decrease dolutegravir levels by reducing its absorption.
Advise patients to take dolutegravir at least 2 hours before or 6 hours after taking iron. Pharmacokinetic research shows that iron can decrease the absorption of dolutegravir from the gastrointestinal tract through chelation. When taken under fasting conditions, a single dose of ferrous fumarate 324 mg orally along with dolutegravir 50 mg reduces overall exposure to dolutegravir by 54%.

Likelihood Probable Evidence B
Integrase Inhibitors

Theoretically, taking iron along with integrase inhibitors might decrease the levels and clinical effects of these drugs.
Iron is a divalent cation. There is concern that iron may decrease the absorption of integrase inhibitors from the gastrointestinal tract through chelation. One pharmacokinetic study shows that iron can decrease blood levels of the specific integrase inhibitor dolutegravir through chelation. Also, other pharmacokinetic research shows that other divalent cations such as calcium can decrease the absorption and levels of some integrase inhibitors through chelation.

Likelihood Possible Evidence D
Levodopa

Iron might decrease levodopa levels by reducing its absorption.
Advise patients to separate doses of levodopa and iron as much as possible. There is some evidence in healthy people that iron forms chelates with levodopa, reducing the amount of levodopa absorbed by around 50%. The clinical significance of this hasn't been determined.

Likelihood Probable Evidence B
Levothyroxine (Synthroid, Others)

Iron might decrease levothyroxine levels by reducing its absorption.
Advise patients to separate levothyroxine and iron doses by at least 2 hours. Iron can decrease the absorption and efficacy of levothyroxine by forming insoluble complexes in the gastrointestinal tract.

Likelihood Probable Evidence B
Methyldopa (Aldomet)

Iron might decrease methyldopa levels by reducing its absorption.
Advise patients to separate methyldopa and iron doses by at least 2 hours. Iron can decrease the absorption of methyldopa from the gastrointestinal tract through chelation, resulting in increases in blood pressure.

Likelihood Probable Evidence B
Mycophenolate Mofetil (Cellcept)

Theoretically, iron might decrease mycophenolate mofetil levels by reducing its absorption.
Advise patients to take iron 4-6 hours before, or 2 hours after, mycophenolate mofetil. It has been suggested that a decrease of absorption is possible, probably by forming nonabsorbable chelates. However, mycophenolate pharmacokinetics are not affected by iron supplementation in available clinical research.

Likelihood Unlikely Evidence D
Penicillamine (Cuprimine, Depen)

Iron might decrease penicillamine levels by reducing its absorption.
Advise patients to separate penicillamine and iron doses by at least 2 hours. Oral iron supplements can reduce absorption of penicillamine by 30% to 70%, probably due to chelate formation. In people with Wilson's disease, this interaction has led to reduced efficacy of penicillamine.

Likelihood Probable Evidence D
Quinolone Antibiotics

Iron might decrease levels of quinolone antibiotics by reducing their absorption.
Advise patients to separate quinolone antibiotics and iron doses by at least 2 hours. Iron decreases the absorption of quinolones due to formation of insoluble complexes in the gastrointestinal tract.

Likelihood Probable Evidence D
Tetracycline Antibiotics

Iron might decrease levels of tetracycline antibiotics by reducing their absorption.
Advise patients to take iron at least 2 hours before or 4 hours after tetracycline antibiotics. Concomitant use can decrease absorption of tetracycline antibiotics from the gastrointestinal tract by 50% to 90%.

Likelihood Probable Evidence D
Chloramphenicol

Theoretically, taking chloramphenicol with iron might reduce the response to iron therapy in iron deficiency anemia.
Chloramphenicol interferes with erythrocyte maturation. However, since chloramphenicol isn't usually taken for prolonged periods, this isn't likely to be clinically significant.

Likelihood Unlikely Evidence D
Iron full monograph & interactions

L-Glutamine1 drug type · 50 drugs

Anticonvulsants

Theoretically, glutamine might antagonize the effects of anticonvulsant medications.
Glutamine is metabolized to the excitatory neurotransmitter glutamate. Glutamate might have antagonistic effects with anticonvulsant drugs. However, this interaction has not yet been reported in humans.

Likelihood Possible Evidence D
L-Glutamine full monograph & interactions

Papain1 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
Papain full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Mass Tech Strawberry, from the product label.

MuscleTech Performance Series

See all MuscleTech Performance Series products
Name
Iovate Health Sciences U.S.A. Inc.
Street Address
1105 North Market Street, Suite 1330
City
Wilmington
State
DE
ZipCode
19801
Web Address
muscletech.com
Pharmacist Counseling Corner

Mass Tech Strawberry by MuscleTech Performance Series: Common Questions

Does Mass Tech Strawberry by MuscleTech Performance Series interact with any medications?
Yes. Based on its ingredients, Mass Tech Strawberry has a known interaction with 356 medications, including 7 rated major. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Mass Tech Strawberry contains 12 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.
Is there a lot of sodium in this product?
The facts don't give us the exact sodium amount per serving, so you'll want to check the label. What we know is that sodium is an ingredient here, and the data cautions against excess intake—if you're managing blood pressure or taking heart medications, ask your pharmacist how much sodium is in each scoop and whether it fits your diet.
Can I take this if I have kidney disease?
This product contains several ingredients—sodium, calcium, iron, and creatine—that need careful handling if your kidneys aren't working well. The data specifically cautions people with kidney issues about creatine and L-glutamine. Talk to your doctor or pharmacist before using it.
Will this help me gain muscle?
Creatine in this product has possibly effective evidence for building muscle strength and boosting athletic performance, especially with resistance training. But it's a mass-gain powder, so the overall benefit depends on your training program, diet, and how much total calories and protein you're getting.
Can I take this while pregnant or breastfeeding?
The safety data for most ingredients in this product is incomplete or advises against use in pregnancy and breastfeeding. Talk with your doctor or midwife before using any supplement during pregnancy or while nursing—they can give you personalized advice.
What does the enzyme digestion complex do?
It contains amylase and other enzymes meant to break down carbohydrates and proteins in the product, so your body can absorb more of the nutrients and calories. That's why it's included in a mass-gain formula.
Are there any ingredients I'm allergic to avoid?
Papain can trigger allergic reactions in sensitive people—watch for itching, hives, sneezing, or stomach cramps. The product also contains soy lecithin (listed in the inactive ingredients), so if you have a soy allergy, this isn't for you. Check the full ingredient list on the package for anything else you know you react to.

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.

Mass Tech Strawberry label
Go deeper

The Full Monographs Behind Mass Tech Strawberry’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

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

Iron

Interacts with 80 drugs

Iron is an essential mineral your body needs to make hemoglobin and carry oxygen in the blood. Supplements are mainly useful for treating or preventing iron deficiency and iron-deficiency an...

Read the full Iron 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

Creatine

Creatine is one of the most studied sports supplements, with solid evidence that it can boost strength and performance during short, high-intensity activities like weightlifting and sprintin...

Read the full Creatine monograph → Herb & supplement monograph

Glutamine

Interacts with 50 drugs

Glutamine is the most abundant amino acid in the body and is usually made in your muscles. A prescription form is FDA-approved to help reduce sickle cell disease complications, but for most...

Read the full Glutamine monograph →
Sources

Sources & How We Checked

Mass Tech Strawberry'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 280 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
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  12. Goldsmith SR. Hyponatremia in heart failure: time for a trial. J Card Fail 2013;19(6):398-400. PubMed
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  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 →

Calcium 62 references
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See these in context on the Calcium monograph →

Iron 72 references
  1. McEvoy GK, ed. AHFS Drug Information. Bethesda, MD: American Society of Health-System Pharmacists, 1998.
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