Major interaction on record — check this product against your medications before combining. Check your meds →
Dietary supplement

N.O. Charger & Circulatory Pump Ingredients & Drug Interactions

by GNC AMP Advanced Muscle Performance

Other (e.g. Tea Bag) Category: Other Combinations
Most serious interaction: Major
The interaction bottom line Most serious interaction: Major

N.O. Charger & Circulatory Pump is a dietary supplement by GNC AMP Advanced Muscle Performance with 3 active ingredients. Its ingredients are commonly taken for bone health and osteoporosis prevention, dietary calcium deficiency, heartburn relief (calcium carbonate antacids).Based on those ingredients, 1,124 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Trans-Resveratrol, L-Arginine, Calcium. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of N.O. Charger & Circulatory Pump by GNC AMP Advanced Muscle Performance

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

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 3 of its 3 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

N.O. Charger & Circulatory Pump contains 3 active ingredients: calcium, trans-resveratrol (a compound from red grapes and wine), and L-arginine (an amino acid).

Calcium supports bone and mineral metabolism. Resveratrol is included for its potential effects on circulation and metabolism.

L-arginine is an amino acid involved in nitric oxide production, which affects blood vessel function. The product also contains several inactive ingredients—microcrystalline cellulose, dicalcium phosphate, hydroxypropyl cellulose, stearic acid, croscarmellose sodium, and others—that serve as binders, fillers, and capsule materials.

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: enhance circulation and blood flow.
  • We looked for evidence on: Atherosclerosis, Cardiovascular disease (CVD), Heart failure, Hypertension, Myocardial infarction (MI), Stroke — and 3 related terms.
  • The strongest evidence on file: Calcium is rated "Possibly Effective" for Pregnancy-induced hypertension (Natural Medicines).
  • Also on file: Resveratrol is rated "Possibly Ineffective" for Cardiovascular disease (CVD).
  • Also on file: Calcium is rated "Ineffective" for Cardiovascular disease (CVD), Myocardial infarction (MI).

The evidence on this product's active ingredients is mixed. Calcium is effective for preventing kidney failure, indigestion (dyspepsia), low blood calcium (hypocalcemia), high potassium (hyperkalemia), and likely effective for osteoporosis.

Resveratrol shows possibly effective evidence for obesity and hay fever (allergic rhinitis), but the data suggests it is possibly ineffective for heart disease and high cholesterol. L-arginine has no established effectiveness ratings in our data.

Because the product combines ingredients with different evidence profiles and we hold no effectiveness rating for one of them, talking with your pharmacist or doctor about whether this specific product matches your goals is a good idea.

The evidence, ingredient by ingredient Calcium Resveratrol L-arginine

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 3 of the 3 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 3 of 3.
  • General safety write-ups exist for 3 of 3.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Calcium is generally well tolerated at recommended doses, though high doses can cause problems. Common side effects from calcium are belching, constipation, diarrhea, bloating, and stomach upset.

Rare serious concerns include kidney stones and calciphylaxis. There is also some concern that very high calcium intake—over 1,500–2,000 mg per day—may be linked to an increased risk of prostate cancer and possibly heart disease, though the research is mixed and criticized.

Resveratrol at typical supplement doses is generally well tolerated; the most common side effects are diarrhea and digestive discomfort. Long-term safety at high doses is not fully known.

L-arginine is often well tolerated short-term but can lower blood pressure and may cause abdominal pain, bloating, nausea, diarrhea, headache, insomnia, and flushing. When inhaled, it can inflame airways in asthma, though oral use in asthma has not shown airway problems in studies.

Side effects, ingredient by ingredient Calcium Resveratrol L-arginine

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?
  • 3 of the 3 matched ingredients can interact with medications — Resveratrol, Calcium, L-arginine.
  • The most serious interaction on file is rated Major.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; diabetes medications; heart-rhythm medications; lithium.
  • For scale: 1,125 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before taking this product, double-check with your pharmacist if you take HIV integrase inhibitors (dolutegravir, elvitegravir, raltegravir), the antibiotic ceftriaxone, levothyroxine (thyroid hormone), heart rhythm or heart failure drugs (sotalol, diltiazem), blood thinners or antiplatelet drugs, blood pressure medications (especially ACE inhibitors and ARBs), potassium-sparing diuretics, diabetes drugs, or sildenafil. The most serious risks—Major severity—involve HIV medications and ceftriaxone.

No interactions are documented for the specific form or dose of this product, so running your exact medications through the checker on this page is essential.

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 product may appeal to people looking for circulatory support through calcium, resveratrol, and L-arginine, but it comes with real drug interaction risks—especially if you take HIV medications, heart medications, blood thinners, or blood pressure drugs. If you're on any prescription medication, check your specific drugs with the tool on this page before you start.

Talk with your pharmacist or doctor to see if this product is right for you and your current health plan.

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

Assessment coverage: 3 of 3 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Jul 25, 2024.

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 N.O. Charger & Circulatory Pump, straight from the product label.

Brand GNC AMP Advanced Muscle Performance
Net contents 60 Light Yellow Caplet(s)
Market status On market
Date entered into DSLD Jul 25, 2024
DSLD ID 312704
Product type Other Combinations
Supplement form Other (e.g. Tea Bag)
Dietary claims / uses Nutrient, All Other, Structure/Function
Intended target group(s) Adult Male (18-50 Years), Gluten Free
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 N.O. Charger & Circulatory Pump by GNC AMP Advanced Muscle Performance, 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:
2 Light Yellow Caplet(s)
Maximum serving Sizes:
2 Light Yellow Caplet(s)
Servings per container
30
IngredientAmount% DV
Calcium40 mg3%
Trans-Resveratrol30 mg--
L-Arginine1.5 Gram(s)--

Other ingredients: Microcrystalline Cellulose, Dicalcium Phosphate, Hydroxypropyl Cellulose, Stearic Acid, Croscarmellose Sodium, Hydroxypropyl Methylcellulose, Crospovidone, Magnesium Stearate, Silicon Dioxide, Titanium Dioxide, Sunflower Lecithin, Sugar, Triethyl Citrate, Ethylcellulose, natural Vanilla Mint flavor, Gum Arabic, Maltodextrin, Sucralose, Riboflavin, Triacetin, Tricalcium Phosphate, Oleic Acid, Polyethylene Glycol

Tap any ingredient to jump to its full detail below.

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

5 products in 1 pack GNC AMP Men's extreme training vitapak program delivers the power of five science-based formulas to help you maximize your physical and mental intensity and get the most from your workout. Enhance circulation & blood flow

Vitapak program with performance + endurance support Enhances circulation & blood flow

No artificial flavors, gluten free. Gluten free

Formula

L-Arginine & clinically studied resVida resveratrol for nitric oxide production, circulation & blood flow

General Statements

If it's on our packages, then it's in our boxes. Clinically studied ingredients backed by real science. Get vitamins. Train harder. Get extreme.

30-day supply

For more information: 1-888-462-2548 GNC.com Our quality commitment to you Since 1935, our mission as the industry leader has been to provide you with the highest-quality nutritional supplements. We continue to stand behind this mission. If you're not 100% satisfied with your purchase, return the unused portion of the product with your receipt within 30 days and we'll either refund your money or find a replacement product that is right for you.

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.

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Directions: As a dietary supplement, take the contents of one pack daily with food.

Brand IP Statement(s)

ResVida is a trademark of DSM

Precautions

Warning: Cancer & reproductive harm - www.P65Warnings.ca.gov. Discontinue use two weeks prior to surgery.

Consult your physician prior to using this product if you are pregnant, nursing, taking medication or have a medical condition.

Keep out of reach of children.

Storage

Store in a cool, dry place.

See for yourself

N.O. Charger & Circulatory Pump by GNC AMP Advanced Muscle Performance label

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

What’s inside

The Ingredients in N.O. Charger & Circulatory Pump by GNC AMP Advanced Muscle Performance

These are the 3 active ingredients this product is made of. Select any to open its full monograph.

Serving size2 Light Yellow Caplet(s) Dosage formOther (e.g. Tea Bag) Servings per container30 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.

Calcium

Interacts with
168 drugs
40 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

Trans-Resveratrol

Interacts with
822 drugs
30 mg per serving

Resveratrol is a plant compound found in red grapes, berries, and peanuts that is popular for heart health, anti-aging, and antioxidant support. While...

Trans-Resveratrol monograph & interactions

L-Arginine

Interacts with
403 drugs
1.5 Gram(s) per serving Form: L-Arginine, L-Arginine Monohydrochloride

L-arginine is an amino acid that the body uses to make nitric oxide, a substance that helps blood vessels relax and widen. It is popularly used for bl...

L-Arginine monograph & interactions

Other (inactive) ingredients: Microcrystalline Cellulose, Dicalcium Phosphate, Hydroxypropyl Cellulose, Stearic Acid, Croscarmellose Sodium, Hydroxypropyl Methylcellulose, Crospovidone, Magnesium Stearate, Silicon Dioxide, Titanium Dioxide, Sunflower Lecithin, Sugar, Triethyl Citrate, Ethylcellulose, Natural Vanilla Mint flavor, Gum Arabic, Maltodextrin, Sucralose, Riboflavin, Triacetin, Tricalcium Phosphate, Oleic Acid, Polyethylene Glycol. These complete the product’s ingredient list but are not active constituents.

Interaction report

N.O. Charger & Circulatory Pump by GNC AMP Advanced Muscle Performance Drug Interactions

Want to check YOUR meds against N.O. Charger & Circulatory Pump?

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
1,124Drugs
7 Major 1,114 Moderate 3 Minor

Ingredients driving the most interactions

Calcium 168

Each ingredient & the kinds of drugs it affects

For each ingredient in N.O. Charger & Circulatory Pump 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.

Trans-Resveratrol5 drug types · 822 drugs

Anticoagulant/Antiplatelet Drugs

Resveratrol may have antiplatelet effects and may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
Resveratrol seems to have antiplatelet effects.

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

Theoretically, resveratrol might increase levels of drugs metabolized by CYP1A2.
In vitro research shows that resveratrol can inhibit CYP1A2 enzymes. However, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2C19 (Cyp2C19) Substrates

Theoretically, resveratrol might increase levels of drugs metabolized by CYP2C19.
In vitro research shows that resveratrol can inhibit CYP2C19 enzymes. However, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2E1 (Cyp2E1) Substrates

Resveratrol might increase levels of drugs metabolized by CYP2E1.
In vitro research suggests that resveratrol inhibits CYP2E1 isoenzyme. Also, a pharmacokinetic study shows that taking resveratrol 500 mg daily for 10 days prior to taking a single dose of chlorzoxazone 250 mg increases the maximum concentration of chlorzoxazone by about 54%, the area under the curve of chlorzoxazone by about 72%, and the half-life of chlorzoxazone by about 35%. Chlorzoxazone is used as a probe drug for CYP2E1.

Likelihood Probable Evidence B
Cytochrome P450 3A4 (Cyp3A4) Substrates

Theoretically, resveratrol might increase levels of drugs metabolized by CYP3A4.
In vitro research shows that resveratrol can inhibit the CYP3A4 enzyme. However, clinical research shows that taking resveratrol 3000 mg daily for 8 weeks does not necessitate dose adjustments to medications metabolized by CYP3A4.

Likelihood Possible Evidence D

L-Arginine9 drug types · 403 drugs

Ace Inhibitors (Aceis)

Theoretically, concomitant use of L-arginine and ACE inhibitors may increase the risk for hypotension and hyperkalemia.
Combining L-arginine with some antihypertensive drugs, especially ACE inhibitors, seems to have additive vasodilating and blood pressure-lowering effects. Furthermore, ACE inhibitors can increase potassium levels. Use of L-arginine has been associated with hyperkalemia in some patients. Theoretically, concomitant use of ACE inhibitors with L-arginine may increases the risk of hyperkalemia.

Likelihood Probable Evidence D
Angiotensin Receptor Blockers (Arbs)

Theoretically, concomitant use of L-arginine and ARBs may increase the risk of hypotension and hyperkalemia.
L-arginine increases nitric oxide, which causes vasodilation. Combining L-arginine with ARBs seems to increase L-arginine-induced vasodilation. Furthermore, ARBs can increase potassium levels. Use of L-arginine has been associated with hyperkalemia in some patients. Theoretically, concomitant use of ARBs with L-arginine may increases the risk of hyperkalemia.

Likelihood Probable Evidence D
Anticoagulant/Antiplatelet Drugs

Theoretically, concomitant use of L-arginine with anticoagulant and antiplatelet drugs might have additive effects and increase the risk of bleeding.
Preliminary research suggests that L-arginine infusions reduce platelet aggregation in humans. The clinical significance of this effect is unclear.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, concomitant use of L-arginine might have additive effects with antidiabetes drugs.
Preliminary clinical research shows that L-arginine decreases blood glucose levels in patients with type 2 diabetes.

Likelihood Possible Evidence D
Antihypertensive Drugs

Theoretically, concomitant use of L-arginine and antihypertensive drugs may increase the risk of hypotension.
L-arginine increases nitric oxide, which causes vasodilation. Clinical evidence shows that L-arginine can reduce blood pressure in some individuals with hypertension. Furthermore, combining L-arginine with some antihypertensive drugs seems to have additive vasodilating and blood pressure-lowering effects.

Likelihood Probable Evidence D
Isoproterenol (Isuprel)

Theoretically, concurrent use of isoproterenol and L-arginine might result in additive effects and hypotension.
Preliminary clinical evidence suggests that L-arginine enhances isoproterenol-induced vasodilation in patients with essential hypertension or a family history of essential hypertension.

Likelihood Probable Evidence D
Potassium-Sparing Diuretics

Theoretically concomitant use of potassium-sparing diuretics with L-arginine may increases the risk of hyperkalemia.
Potassium-sparing diuretics can increase potassium levels. Use of L-arginine has been associated with hyperkalemia in some patients.

Likelihood Possible Evidence D
Sildenafil (Viagra)

Theoretically, concurrent use of sildenafil and L-arginine might increase the risk for hypotension.
In vivo, concurrent use of L-arginine and sildenafil has resulted in increased vasodilation. Theoretically, concurrent use might have additive vasodilatory and hypotensive effects. However, in studies evaluating the combined use of L-arginine and sildenafil for erectile dysfunction, hypotension was not reported.

Likelihood Possible Evidence D
Testosterone

Theoretically, concomitant use of L-arginine and testosterone might have additive effects.
In clinical research, L-arginine increases the level of testosterone in male patients with erectile dysfunction. The clinical significance of this finding is unclear.

Likelihood Possible Evidence D

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
The maker

Brand information

Manufacturer and brand details for N.O. Charger & Circulatory Pump, from the product label.

GNC AMP Advanced Muscle Performance

See all GNC AMP Advanced Muscle Performance products
Name
GNC Holdings, LLC
City
Pittsburgh
State
PA
ZipCode
15222
Phone Number
1-888-462-2548
Web Address
GNC.com
Pharmacist Counseling Corner

N.O. Charger & Circulatory Pump by GNC AMP Advanced Muscle Performance: Common Questions

Does N.O. Charger & Circulatory Pump by GNC AMP Advanced Muscle Performance interact with any medications?
Yes. Based on its ingredients, N.O. Charger & Circulatory Pump has a known interaction with 1,124 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?
N.O. Charger & Circulatory Pump contains 3 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.
Will this product interfere with my birth control or hormone therapy?
The ingredients in this product may theoretically interact with drugs metabolized by your liver, but we don't have specific data on birth control or hormone therapy interactions. It's important to check your exact medication with the tool on this page or ask your pharmacist or doctor before starting.
What are the most common side effects from taking this?
From calcium, you might experience belching, constipation, diarrhea, bloating, or stomach upset. Resveratrol can cause diarrhea and digestive discomfort. L-arginine may cause abdominal pain, bloating, nausea, diarrhea, headache, insomnia, or flushing. Most people tolerate these ingredients, but if side effects bother you, stop and talk to your pharmacist.
Is this safe if I'm pregnant or breastfeeding?
Calcium is rated likely safe in pregnancy at recommended amounts. Resveratrol data on pregnancy is mixed—one source rates concentrated supplements as possibly unsafe due to lack of information. L-arginine has no pregnancy rating on file. For breastfeeding, calcium is fine at recommended amounts, but resveratrol should be avoided. Talk with your doctor or pharmacist about whether this product is right for you before use.
Can I take this with my blood pressure or heart medication?
This product contains ingredients—especially L-arginine and calcium—that interact with blood pressure drugs, heart medications, and blood thinners. These are Moderate severity interactions that need attention. Check your specific medications with the tool on this page and talk with your pharmacist before starting.
Does this product really help with circulation?
Resveratrol is listed as possibly effective for some conditions like obesity and hay fever, but the data suggests it is possibly ineffective for heart disease. Calcium and L-arginine have no established effectiveness ratings in our data for circulation. The evidence on whether this specific product works for what it claims is not strong.
Is there any concern about taking high doses of calcium long-term?
Yes. High doses of calcium—over 1,500–2,000 mg per day—have been linked in some research to increased risk of prostate cancer and possibly heart disease, though the evidence is mixed and debated. Calcium is generally well tolerated at recommended doses, but very high amounts are not advised without medical guidance.

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.

N.O. Charger & Circulatory Pump label
Sources

Sources & How We Checked

N.O. Charger & Circulatory Pump'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 152 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.

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
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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.

© 2021 Therapeutic Research Center, LLC

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