Interactions on record — worth a quick check against your medications. Based on 5 of 8 ingredients. Check your meds →
Dietary supplement

Giant Pump Lemon Ice Ingredients & Drug Interactions

by Giant Sports

Powder Category: Other Combinations
Most serious interaction: Moderate
The interaction bottom line Most serious interaction: Moderate

Giant Pump Lemon Ice is a dietary supplement by Giant Sports with 8 active ingredients. Its ingredients are commonly taken for common cold and immune support, antioxidant support, skin health and collagen formation.Based on those ingredients, 1,284 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Evodia rutaecarpa, Stilbenox, AgmaMax. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of Giant Pump Lemon Ice by Giant Sports

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 7 of its 7 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

Giant Pump Lemon Ice contains 7 active ingredients. Vitamin C is an antioxidant that supports immunity and collagen formation.

Sodium glycerophosphate supplies sodium, an electrolyte essential for muscle and nerve function. Norvaline, NO3-T(TM), and agmatine (AgmaMax) are amino acid derivatives and compounds intended to support blood flow and muscle performance.

Grape seed extract (Stilbenox) provides polyphenols, plant compounds with antioxidant properties. Evodia rutaecarpa is a botanical extract traditionally used in herbal medicine.

The product also contains inactive ingredients — calcium silicate, malic acid, sucralose, acesulfame potassium, and natural and artificial flavors — which are fillers, sweeteners, and flavoring agents.

Does it work?

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

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

Why this rating?
  • The label markets this product for: muscle pumps vascularity strength and endurance.
  • We looked for evidence on: Athletic performance, Exercise-induced muscle damage, Cardiovascular disease (CVD), Muscle power, Nitric oxide enhancement, Blood flow optimization.
  • The closest evidence on file: Vitamin C is rated "Possibly Ineffective" for Cardiovascular disease (CVD) (Natural Medicines).
  • Also on file: Grape is rated "Insufficient Reliable Evidence To Rate" for Athletic performance, Cardiovascular disease (CVD).
  • Also on file: Vitamin C is rated "Insufficient Reliable Evidence To Rate" for Athletic performance, Exercise-induced muscle damage.

Vitamin C is effective for preventing vitamin C deficiency and possibly effective for anemia related to chronic disease, atrial fibrillation, cataracts, and reducing exercise-induced respiratory infections. Sodium's effectiveness is not firmly established in our data for the conditions listed.

For agmatine, grape seed extract, and evodia, the evidence we hold does not establish effectiveness — the data shows insufficient reliable evidence or the uses are rated possibly ineffective. Norvaline and NO3-T(TM) effectiveness data are not on file.

The evidence, ingredient by ingredient Vitamin C Sodium Agmatine Grape Evodia

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 5 of the 5 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 5 of 5.
  • General safety write-ups exist for 5 of 5.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Vitamin C is generally well tolerated at normal supplement doses, but high doses above 2 grams daily can cause stomach cramps, heartburn, diarrhea, nausea, and kidney stones in people prone to them. Sodium at typical dietary amounts is fine, but too much can worsen high blood pressure and heart or kidney disease.

Agmatine appears well tolerated in short-term use, though long-term human safety is not well studied; side effects can include diarrhea, upset stomach, and nausea. Grape seed extract is generally well tolerated and well-studied; side effects may include stomach pain, diarrhea, dry mouth, headache, joint pain, and nausea.

Evodia has very limited human safety data and has caused QT prolongation and heart arrhythmias (Torsade de pointes) in animal studies — the dose that would cause harm in humans is unknown.

Side effects, ingredient by ingredient Vitamin C Sodium Agmatine Grape Evodia

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 5 of the 5 matched ingredients can interact with medications — Grape, Vitamin C, Evodia, Sodium, Agmatine.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; immunosuppressants / transplant drugs; cancer treatments; diabetes medications; heart-rhythm medications; lithium.
  • For scale: 1,285 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 before taking if you use QT-prolonging heart drugs (evodia is the concern here), blood thinners or antiplatelet drugs like warfarin or aspirin, blood pressure medications, diabetes medications, antipsychotics, HIV medications, birth control pills or hormone replacement therapy, lithium, kidney or liver medications, or drugs processed by your liver's enzyme systems. If you're on any prescription medication, run it through the checker on this page.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with no established evidence rating for its marketed use. Moderate medication interactions have been identified, and safety information is well characterized.

This product is aimed at people looking for a workout supplement with pump and endurance support. If you take any medications — especially blood thinners, blood pressure drugs, diabetes medications, heart medications, birth control, or HIV antivirals — check your exact drugs against our tool before starting.

If you have a history of heart rhythm problems, kidney disease, or high blood pressure, talk to your pharmacist first.

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

Assessment coverage: 5 of 7 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Aug 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 Giant Pump Lemon Ice, straight from the product label.

Brand Giant Sports
Barcode (UPC) 0640052143951
Net contents 6 Ounce(s); 169.92 Gram(s)
Market status On market
Date entered into DSLD Aug 25, 2015
DSLD ID 48105
Product type Other Combinations
Supplement form Powder
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (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 Giant Pump Lemon Ice by Giant Sports, 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:
5.31 Gram(s)
Maximum serving Sizes:
5.31 Gram(s)
Servings per container
32
UPC/BARCODE
0640052143951
IngredientAmount% DV
Calories0 {Calories}--
Total Carbohydrates0 NP--
Sugar0 NP--
Cholesterol0 NP--
Total Fat0 NP--
Vitamin C90 mg100%
Sodium Glycerophosphate500 mg--
Norvaline150 mg--
NO3-T(TM)1500 mg--
AgmaMax1000 mg--
Stilbenox50 mg--
Evodia rutaecarpa5 mg--

Other ingredients: Calcium Silicate, Malic Acid, Sucralose, Acesulfame Potassium, Natural & Artificial flavors

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

Insane Pumps, Vascularity & Density Every Time - Experience skin tearing muscle pumps - see results from the very first dose* - Achieve long lasting "roadmap vascularity"* - Train longer & harder than ever before with increased strength, power & endurance* - Critical nutrients added to keep you in a muscle building state*

The Science of the Pump "The Pump": Achieved when your muscles are hyper-saturated with extra oxygen and critical nutrients due to a substantial increase in blood flow. Maximizing Nitric Oxide levels is critical to this process, but increasing blood flow to "Giant Pump" proportions can only be achieved through a unique combination of pathways. This multi-faceted approach literally forces your muscles to increase in size and grow. And the more size your muscles have, the more energy" or strength they can exert while you train.

Giant Pump's super-potent, open label formula helps you accomplish all of this with only one scoop and from the very first time you use it.*

Maximum muscle expander

Massive pump - Just add water

Strength-Power-Endurance Roadmap Vascularity

Due to the hygroscopic nature of this product, clumping may occur. This does not affect the efficacy or safety of the product and gentle shaking of the product usually will disperse this effect.

Formulation

- Stimulant free*

This product is certified to be free of banned substances

Formula

Adding critical nutrients like amino acids, vitamins and minerals along with allowing more oxygen to your muscles, Giant Pump gears your body for Skin Tearing Pumps with increases in strength, power and endurance.*

32 Servings

This product contains nitrates.

Seals/Symbols

- GLUTEN FREE GF GLUTEN FREE -

agmaMAX(R)

NO3T(TM) NITRATE TECHNOLOGY

Suggested/Recommended/Usage/Directions

Directions: As a dietary supplement, take one scoop with 12-16 ounces of water or fruit juice approximately 30-45 minutes prior to training. Giant Pump should only be used on training days. Due the potent nature of Giant Pump, do not exceed one scoop per 24 hours under any circumstances.

Precautions

Due the potent nature of Giant Pump, do not exceed one scoop per 24 hours under any circumstances.

Allergen Information: Made in a plant that also processes dairy, egg, peanuts, soy and wheat products.

Caution: While intense and dramatic effects will be noticed from your very first training session, Giant Pump should be taken every training day to elicit maximum benefits. When used as part of a proper diet and exercise program, Giant Pump may help individuals reach amazing aesthetic, strength and endurance goals. Consume a minimum of an additional 2 liters of water per day while using this product. Most individuals will begin to feel its effects within 15 minutes of ingestion, others within 15-45 minutes. Giant Pump will elicit its maximum pump, endurance and strength effects within 1-6 hours after ingestion. Individual results may very.

Warning: Seek the advice of a licensed health care practitioner/physician before use.

Do not use this product if you are pregnant, trying to become pregnant, may be pregnant or are currently nursing.

Giant Pump is for use by healthy adults only and is not for use by persons under 18 years of age.

If you experience skin rash or other allergic reaction discontinue use and immediately consult a medical doctor. User assumes all risks, liabilities, and consequences related to performance enhancement testing and use of this product.

If you use nitrate medications for chest pain or medications for erectile dysfunction you must consult your physician before using this product.

Keep out of reach of children.

Storage

Note: Do not store in direct sunlight, store in a cool, dry place with the lid on the can when not is use.

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.

Brand IP Statement(s)

- (C)2014 All Rights Reserved

General

REV-071114-USGPFP

See for yourself

Giant Pump Lemon Ice by Giant Sports label

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

What’s inside

The Ingredients in Giant Pump Lemon Ice by Giant Sports

These are the 8 active ingredients this product is made of. Select any to open its full monograph.

Serving size5.31 Gram(s) Dosage formPowder Servings per container32 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

0 NP per serving

Vitamin C

Interacts with
207 drugs
90 mg per serving Form: Ascorbic Acid

Vitamin C (ascorbic acid) is an essential nutrient your body needs but cannot make, so you must get it from food or supplements. It's important for im...

Vitamin C monograph & interactions

Sodium Glycerophosphate

Interacts with
205 drugs
500 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 Glycerophosphate monograph & interactions

Norvaline

150 mg per serving

NO3-T(TM)

1500 mg per serving Form: Glutamine Nitrate

AgmaMax

Interacts with
258 drugs
1000 mg per serving Form: Instantized & Micronized Agmatine Sulfate

Agmatine is a compound your body makes from the amino acid arginine, and it is sold mainly as a workout and 'pump' supplement. Human evidence for most...

AgmaMax monograph & interactions

Stilbenox

Interacts with
910 drugs
50 mg per serving Form: Vitis vinifera aqueous extract

Grapes and grape products like grape seed extract contain antioxidant compounds such as resveratrol and proanthocyanidins that may support heart and b...

Stilbenox monograph & interactions

Evodia rutaecarpa

Interacts with
950 drugs
5 mg per serving Form: aqueous Evodia rutaecarpa extract, Rutaecarpine

Evodia is a fruit used in traditional Chinese medicine, most often for digestive complaints, headaches, and menstrual pain. Human evidence for these u...

Evodia rutaecarpa monograph & interactions

Other (inactive) ingredients: Calcium Silicate, Malic Acid, Sucralose, Acesulfame Potassium, Natural & Artificial flavors. These complete the product’s ingredient list but are not active constituents.

Interaction report

Giant Pump Lemon Ice by Giant Sports Drug Interactions

Want to check YOUR meds against Giant Pump Lemon Ice?

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
1,284Drugs
1,266 Moderate 18 Minor

Ingredients driving the most interactions

Stilbenox 910
AgmaMax 258
Vitamin C 207

Each ingredient & the kinds of drugs it affects

For each ingredient in Giant Pump Lemon Ice 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.

Evodia rutaecarpa11 drug types · 950 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, taking evodia with antiplatelet or anticoagulant drugs might increase the risk of bruising and bleeding.
In vitro and animal studies show that rutaecarpine, a constituent of evodia, inhibits platelet aggregation.

Likelihood Possible Evidence D
Caffeine

Theoretically, evodia might decrease the levels and clinical effects of caffeine.
In animal models, evodia extract decreases caffeine levels by up to 71%. Evodia extract induces hepatic cytochrome P450 1A2 (CYP1A2) enzyme, of which caffeine is a substrate.

Likelihood Probable Evidence D
Chlorzoxazone (Parafon Forte, Paraflex)

Theoretically, evodia might decrease the levels and clinical effects of chlorzoxazone.
Animal research shows that administration of rutaecarpine, a constituent of evodia, with chlorzoxazone reduces the area under the curve (AUC) of chlorzoxazone by 84% and increases its clearance by 646%. This interaction is likely due to induction of cytochrome P450 2E1 (CYP2E1) by rutaecarpine .

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

Theoretically, drugs that inhibit CYP1A2 might increase the levels and clinical effects of evodia.
The evodia constituent rutaecarpine is metabolized by CYP1A2.

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

Evodia might reduce the levels and clinical effects of CYP1A2 substrates through induction of CYP1A2.
Evodia extract and the evodia constituent rutaecarpine induce hepatic CYP1A2 enzyme activity. Evodia decreases levels of theophylline and caffeine, CYP1A2 substrates, by about 70% in animal models.

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

Theoretically, evodia might reduce the levels and clinical effects of CYP2E1 substrates through induction of CYP2E1.
Animal research suggests that rutaecarpine, a constituent of evodia, induces CYP2E1 activity. In rats, rutaecarpine increases markers of CYP2E1 activity, and administration of rutaecarpine with chlorzoxazone, a known CYP2E1 substrate, reduces the area under the curve (AUC) of chlorzoxazone by 84% and increases its clearance by 646%.

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

Theoretically, taking CYP3A4 inducers might decrease the levels and clinical effects of evodia.
Animal research shows that concomitant administration of dexamethasone, a known CYP3A4 inducer, with the alkaloid constituents of evodia significantly reduces the area under the curve (AUC), maximum concentration (Cmax), and half-life of these constituents.

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

Theoretically, CYP3A4 inhibitors might increase the levels and clinical effects of evodia.
Animal research shows that concomitant administration of ketoconazole, a known CYP3A4 inhibitor, with the alkaloid constituents of evodia significantly increases the area under the curve (AUC), maximum concentration (Cmax), and half-life of these constituents.

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

Theoretically, evodia might increase the levels and clinical effects of CYP3A4 substrates.
In vitro research shows that evodia extract inhibits hepatic CYP3A4. This effect has not been reported in humans.

Likelihood Possible Evidence D
Qt Interval-Prolonging Drugs

Theoretically, evodia might have an additive effect with drugs that prolong the QT interval, potentially increasing the risk of ventricular arrhythmias.
Evodia has demonstrated dose-dependent activity as a proarrhythmic agent in animal and in vitro studies. Evodia infusion in animals extends the action duration potential and induces prolongation of the QT interval and Torsade de pointes.

Likelihood Possible Evidence D
Theophylline

Theoretically, evodia might decrease the levels and clinical effects of theophylline.
The evodia constituent rutaecarpine decreases theophylline levels and half-life by about 70% in animal models. This constituent appears to induce hepatic cytochrome P450 1A2 (CYP1A2) enzyme activity, of which theophylline is a substrate. Rutaecarpine is the primary active constituent of evodia; however, it is not known if the whole crude extract of evodia also causes this interaction.

Likelihood Probable Evidence D

Stilbenox9 drug types · 910 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, grape extracts may have antiplatelet effects and may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
In vitro evidence suggests that grape extracts might decrease platelet aggregation.

Likelihood Possible Evidence D
Cyclosporine (Neoral, Sandimmune)

Ingesting grape juice with cyclosporine can reduce cyclosporine absorption.
A small pharmacokinetic study in healthy young adults shows that intake of purple grape juice 200 mL along with cyclosporine can decrease the absorption of cyclosporine by up to 30% when compared with water. Separate doses of grape juice and cyclosporine by at least 2 hours to avoid this interaction.

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

Theoretically, grape juice might reduce the levels of CYP1A2 substrates.
A small pharmacokinetic study in healthy adults shows that ingestion of 200 mL of grape juice decreases phenacetin plasma levels. This is thought to be due to induction of CYP1A2.

Likelihood Possible Evidence B
Cytochrome P450 2D6 (Cyp2D6) Substrates

Theoretically, grape seed extract may increase the levels of CYP2D6 substrates.
In vitro evidence suggests that grape seed extract might inhibit CYP2D6 enzymes. However, this interaction has not been reported in humans.

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

Theoretically, grape seed extract might increase the levels of CYP2E1 substrates.
In vitro and animal research suggests that grape seed proanthocyanidin extract inhibits CYP2E1 enzymes. However, this interaction has not been reported in humans.

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

It is unclear if grape seed extract inhibits or induces CYP3A4; research is conflicting.
In vitro evidence suggests that grape seed extract might inhibit CYP3A4 enzymes. However, evidence from animal research shows that grape seed extract may induce CYP3A4 in the liver. So far, these interactions have not been reported in humans.

Likelihood Possible Evidence D
Midazolam (Versed)

Theoretically, long-term intake of grape seed extract might decrease the effects of midazolam.
Animal research shows that subchronic ingestions of grape seed extract can increase the elimination of intravenous midazolam by increasing hepatic CYP3A4 activity. Single doses of grape seed extract do not appear to affect midazolam elimination.

Likelihood Possible Evidence D
Phenacetin

Grape juice might decrease phenacetin absorption.
A small pharmacokinetic study in healthy adults shows that ingestion of 200 mL of grape juice decreases phenacetin plasma levels. This is thought to be due to induction of cytochrome P450 1A2 (CYP1A2).

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

It is unclear if grape juice or grape seed extract inhibits CYP2C9; research is conflicting.
In vitro evidence shows that grape seed extract or grape juice might inhibit CYP2C9 enzymes. However, a small pharmacokinetic study in healthy adults shows that drinking 8 ounces of grape juice once does not affect the clearance of flurbiprofen, a probe-drug for CYP2C9 metabolism. The effects of continued grape juice consumption are unclear.

Likelihood Unlikely Evidence D

AgmaMax2 drug types · 258 drugs

Antidiabetes Drugs

Theoretically, agmatine might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Animal and in vitro research suggest that agmatine has mild hypoglycemic effects.

Likelihood Possible Evidence D
Antihypertensive Drugs

Theoretically, agmatine might increase the risk of hypotension when taken with antihypertensive drugs.
Animal research suggests that agmatine can modestly decrease heart rate and blood pressure.

Likelihood Possible Evidence D

Vitamin C13 drug types · 207 drugs

Alkylating Agents

Theoretically, antioxidant effects of vitamin C might reduce the effectiveness of alkylating agents.
The use of antioxidants like vitamin C during chemotherapy is controversial. There is concern that antioxidants could reduce the activity of chemotherapy drugs that generate free radicals, such as cyclophosphamide, chlorambucil, carmustine, busulfan, and thiotepa. In contrast, some researchers theorize that antioxidants might make chemotherapy more effective by reducing oxidative stress that could interfere with apoptosis (cell death) of cancer cells. More evidence is needed to determine what effect, if any, antioxidants such as vitamin C have on chemotherapy.

Likelihood Possible Evidence D
Aluminum

Vitamin C can increase the amount of aluminum absorbed from aluminum compounds.
Research in animals and humans shows that vitamin C increases aluminum absorption, theoretically by chelating aluminum and keeping it in solution where it is available for absorption. In people with normal renal function, urinary excretion of aluminum will likely increase, making aluminum retention and toxicity unlikely. Patients with renal failure who take aluminum-containing compounds such as phosphate binders should avoid vitamin C supplements in doses above the recommended dietary allowances.

Likelihood Probable Evidence B
Antitumor Antibiotics

Theoretically, the antioxidant effects of vitamin C might reduce the effectiveness of antitumor antibiotics.
The use of antioxidants like vitamin C during chemotherapy is controversial. There is concern that antioxidants could reduce the activity of chemotherapy drugs which generate free radicals, such as doxorubicin. In contrast, some researchers theorize that antioxidants might make chemotherapy more effective by reducing oxidative stress that could interfere with apoptosis (cell death) of cancer cells. More evidence is needed to determine what effects, if any, antioxidants such as vitamin C have on chemotherapy.

Likelihood Possible Evidence D
Estrogens

Vitamin C might increase blood levels of estrogens.
Increases in plasma estrogen levels of up to 55% occur under some circumstances when vitamin C is taken concurrently with oral contraceptives or hormone replacement therapy, including topical products. It is suggested that vitamin C prevents oxidation of estrogen in the tissues, regenerates oxidized estrogen, and reduces sulfate conjugation of estrogen in the gut wall. When tissue levels of vitamin C are high, these processes are already maximized and supplemental vitamin C does not have any effect on estrogen levels. Increases in plasma estrogen levels may occur when patients who are deficient in vitamin C take supplements. Monitor these patients for estrogen-related side effects.

Likelihood Probable Evidence B
Fluphenazine (Prolixin)

Theoretically, vitamin C might decrease levels of fluphenazine.
In one patient there was a clinically significant decrease in fluphenazine levels when vitamin C (500 mg twice daily) was started. The mechanism is not known, and there is no further data to confirm this interaction.

Likelihood Possible Evidence D
Indinavir (Crixivan)

Vitamin C can modestly reduce indinavir levels.
One pharmacokinetic study shows that taking vitamin C 1 gram orally once daily along with indinavir 800 mg orally three times daily reduces the area under the concentration-time curve of indinavir by 14%. The mechanism of this interaction is unknown, but it is unlikely to be clinically significant in most patients. The effect of higher doses of vitamin C on indinavir levels is unknown.

Likelihood Probable Evidence B
Levothyroxine (Synthroid, Others)

Vitamin C can increase levothyroxine absorption.
Two clinical studies in adults with poorly controlled hypothyroidism show that swallowing levothyroxine with a glass of water containing vitamin C 500-1000 mg in solution reduces thyroid stimulating hormone (TSH) levels and increases thyroxine (T4) levels when compared with taking levothyroxine alone. This suggests that vitamin C increases the oral absorption of levothyroxine, possibly due to a reduction in pH.

Likelihood Probable Evidence B
Warfarin (Coumadin)

High-dose vitamin C might reduce the levels and effectiveness of warfarin.
Vitamin C in high doses may cause diarrhea and possibly reduce warfarin absorption. There are reports of two people who took up to 16 grams daily of vitamin C and had a reduction in prothrombin time. Lower doses of 5-10 grams daily can also reduce warfarin absorption. In many cases, this does not seem to be clinically significant. However, a case of warfarin resistance has been reported for a patient who took vitamin C 500 mg twice daily. Cessation of vitamin C supplementation resulted in a rapid increase in international normalized ratio (INR). Tell patients taking warfarin to avoid taking vitamin C in excessively high doses (greater than 10 grams daily). Lower doses may be safe, but the anticoagulation activity of warfarin should be monitored. Patients who are stabilized on warfarin while taking vitamin C should avoid adjusting vitamin C dosage to prevent the possibility of warfarin resistance.

Likelihood Possible Evidence D
Acetaminophen (Tylenol, Others)

High-dose vitamin C might slightly prolong the clearance of acetaminophen.
A small pharmacokinetic study in healthy volunteers shows that taking high-dose vitamin C (3 grams) 1.5 hours after taking acetaminophen 1 gram slightly increases the apparent half-life of acetaminophen from around 2.3 hours to 3.1 hours. Ascorbic acid competitively inhibits sulfate conjugation of acetaminophen. However, to compensate, elimination of acetaminophen glucuronide and unconjugated acetaminophen increases. This effect is not likely to be clinically significant.

Likelihood Probable Evidence B
Aspirin

Acidification of the urine by vitamin C might increase aspirin levels.
It has been suggested that acidification of the urine by vitamin C could increase reabsorption of salicylates by the renal tubules, and increase plasma salicylate levels. However, short-term use of up to 6 grams daily of vitamin C does not seem to affect urinary pH or salicylate excretion, suggesting this interaction is not clinically significant.

Likelihood Possible Evidence B
Choline Magnesium Trisalicylate (Trilisate)

Acidification of the urine by vitamin C might increase choline magnesium trisalicylate levels.
It has been suggested that acidification of the urine by vitamin C could increase reabsorption of salicylates by the renal tubules, and increase plasma salicylate levels. However, short-term use of up to 6 grams daily of vitamin C does not seem to affect urinary pH or salicylate excretion, suggesting this interaction probably is not clinically significant.

Likelihood Possible Evidence B
Niacin

Vitamin C might decrease the beneficial effects of niacin on high-density lipoprotein (HDL) cholesterol levels.
A combination of niacin and simvastatin (Zocor) effectively raises HDL cholesterol levels in patients with coronary disease and low HDL levels. Clinical research shows that taking a combination of antioxidants (vitamin C, vitamin E, beta-carotene, and selenium) along with niacin and simvastatin (Zocor) attenuates this rise in HDL, specifically the HDL-2 and apolipoprotein A1 fractions, by more than 50% in patients with coronary disease. It is not known whether this adverse effect is due to a single antioxidant such as vitamin C, or to the combination. It also is not known whether it will occur in other patient populations.

Likelihood Possible Evidence A
Salsalate (Disalcid)

Acidification of the urine by vitamin C might increase salsalate levels.
It has been suggested that acidification of the urine by vitamin C could increase reabsorption of salicylates by the renal tubules, and increase plasma salicylate levels. However, short-term use of up to 6 grams/day vitamin C does not seem to affect urinary pH or salicylate excretion, suggesting this interaction probably is not clinically significant.

Likelihood Possible Evidence B

Sodium Glycerophosphate7 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
The maker

Brand information

Manufacturer and brand details for Giant Pump Lemon Ice, from the product label.

Giant Sports

See all Giant Sports products
Name
Giant Sports Products, LLC
Street Address
990 Cedar Bridge Ave., Suite B7-280
City
Brick
State
NJ
ZipCode
08723
Phone Number
732 965 5618
Pharmacist Counseling Corner

Giant Pump Lemon Ice by Giant Sports: Common Questions

Does Giant Pump Lemon Ice by Giant Sports interact with any medications?
Yes. Based on its ingredients, Giant Pump Lemon Ice has a known interaction with 1,284 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Giant Pump Lemon Ice contains 8 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take this if I'm on birth control?
Vitamin C in this product may increase estrogen levels from oral contraceptives by up to 55% in some cases. Talk to your doctor or pharmacist before combining them — you may need a dose adjustment or should monitor for side effects like headache or blood clots.
Is this safe during pregnancy?
Vitamin C from normal dietary amounts and prenatal vitamins is fine, but avoid high-dose supplements during pregnancy unless your doctor approves. Agmatine and evodia both have safety data advising against use in pregnancy, and grape seed concentrated supplements have limited safety data. Talk with your obstetrician before starting.
What are the most common side effects?
From vitamin C at high doses: stomach cramps, heartburn, diarrhea, nausea. From agmatine: diarrhea, upset stomach, nausea. From grape seed extract: stomach pain, diarrhea, headache, joint pain, nausea. Most side effects are mild and occur at higher doses.
What is agmatine supposed to do?
Agmatine is an amino acid derivative studied for athletic performance, mood, and blood flow support. However, our data shows insufficient reliable evidence that it works for those uses. It appears generally well tolerated in short-term use.
Does this actually improve workout performance?
The ingredients — nitric oxide boosters, amino acids, and antioxidants — are chosen to support blood flow and muscle recovery. Vitamin C is effective for its nutritional role, and grape seed extract is possibly effective for chronic venous insufficiency. Evidence for the other ingredients' performance benefits is not established in our data.
Can I take this with my kidney medications?
Sodium glycerophosphate in this product can interfere with certain kidney and heart medications. Before you start, check all your specific medications through the tool on this page, or ask your pharmacist to review the label against your current prescriptions.

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.

Giant Pump Lemon Ice label
Go deeper

The Full Monographs Behind Giant Pump Lemon Ice’s Ingredients

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

Sources

Sources & How We Checked

Giant Pump Lemon Ice'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 139 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.

Vitamin C 51 references
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  29. Ward NC, Hodgson JM, Croft KD, et al. The combination of vitamin C and grape-seed polyphenols increases blood pressure: a randomized, double-blind, placebo-controlled trial. J Hypertens 2005;23:427-34.. PubMed
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  33. Gruenwald, J., Graubaum, H. J., Busch, R., and Bentley, C. Safety and tolerance of ester-C compared with regular ascorbic acid. Adv.Ther. 2006;23(1):171-178.
  34. Rahimi, R., Nikfar, S., Rezaie, A., and Abdollahi, M. A meta-analysis on the efficacy and safety of combined vitamin C and E supplementation in preeclamptic women. Hypertens.Pregnancy. 2009;28(4):417-434. PubMed
  35. Einerson, B., Nathorn, C., Kitiyakara, C., Sirada, M., and Thamlikitkul, V. The efficacy of ascorbic acid in suboptimal responsive anemic hemodialysis patients receiving erythropoietin: a meta-analysis. J Med.Assoc.Thai. 2011;94 Suppl 1:S134-S146.
  36. Li, G., Li, L., Yu, C., and Chen, L. Effect of vitamins C and E supplementation on Helicobacter pylori eradication: a meta-analysis. Br.J Nutr 2011;106(11):1632-1637.
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  38. Sattar A, Willman JE, Kolluri R. Possible warfarin resistance due to interaction with ascorbic acid: case report and literature review. Am J Health Syst Pharm. 2013;70(9):782-6. PubMed
  39. Yaich S, Chaabouni Y, Charfeddine K, et al. Secondary oxalosis due to excess vitamin C intake: a cause of graft loss in a renal transplant recipient. Saudi J Kidney Dis Transpl. 2014;25(1):113-6. PubMed
  40. Jalloh MA, Gregory PJ, Hein D, et al. Dietary supplement interactions with antiretrovirals: a systematic review. Int J STD AIDS. 2017 Jan;28(1):4-15. PubMed
  41. Rumbold A, Ota E, Nagata C, Shahrook S, Crowther CA. Vitamin C supplementation in pregnancy. Cochrane Database Syst Rev. 2015;(9):CD004072. PubMed
  42. Seo MS, Kim JK, Shim JY. High-dose vitamin C promotes regression of multiple pulmonary metastases originating from hepatocellular carcinoma. Yonsei Med J. 2015;56(5):1449-52. PubMed
  43. Skelin M, Lucijanic T, Amidzic Klaric D, et al. Factors Affecting Gastrointestinal Absorption of Levothyroxine: A Review. Clin Ther. 2017 Feb;39(2):378-403. PubMed
  44. Jiang K, Tang K, Liu H, Xu H, Ye Z, Chen Z. Ascorbic acid supplements and kidney stones incidence among men and women: a systematic review and meta-analysis. Urol J. 2019;16(2):115-120.
  45. Thomas S, Patel D, Bittel B, et al. Effect of High-Dose Zinc and Ascorbic Acid Supplementation vs Usual Care on Symptom Length and Reduction Among Ambulatory Patients With SARS-CoV-2 Infection: The COVID A to Z Randomized Clinical Trial. JAMA Netw Open. 2 PubMed
  46. Giffen MA, McLemore JL. Hyperoxalosis Secondary to Intravenous Vitamin C Administration as a Non-Allopathic Treatment for Cancer. Acad Forensic Pathol 2019;9(1-2):118-126. PubMed
  47. Maike A, Sturgill D, Gallan A. Oxalate Nephropathy in a Renal Transplant Recipient After Receiving High Dose Ascorbic Acid. Am J Med Sci 2021. PubMed
  48. Shen ZY, Chen YR, Wang MC, Chang SS. High-dose vitamin C-induced acute oxalate nephropathy in a renal transplant recipient: a case report and literature review. Asian J Surg 2022. PubMed
  49. Yanase F, Spano S, Maeda A, et al. Mega-dose sodium ascorbate: a pilot, single-dose, physiological effect, double-blind, randomized, controlled trial. Crit Care 2023;27(1):371. PubMed
  50. Sharma Y, Sumanadasa S, Shahi R, et al. Efficacy and safety of vitamin C supplementation in the treatment of community-acquired pneumonia: a systematic review and meta-analysis with trial sequential analysis. Sci Rep 2024;14(1):11846. PubMed
  51. Pejcic AV, Petrovic NZ, Djordjic MD, Milosavljevic MN. Vitamin C Levels in Pregnant Women and the Efficacy of Vitamin C Supplements in Preventing Premature Rupture of Membranes: A Systematic Review and Meta-Analysis. Balkan Med J 2024;41(4):248-260. PubMed

See these in context on the Vitamin C monograph →

Sodium 38 references
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  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
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  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
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See these in context on the Sodium monograph →

Agmatine 3 references
  1. Piletz JE, Aricioglu F, Cheng JT, et al. Agmatine: clinical applications after 100 years in translation. Drug Discov Today 2013;18(17-18):880-93. PubMed
  2. Keynan O, Mirovsky Y, Dekel S, Gilad VH, Gilad GM. Safety and efficacy of dietary agmatine sulfate in lumbar disc-associated radiculopathy. An open-label, dose-escalating study followed by a randomized, double-blind, placebo-controlled trial. Pain Med 201 PubMed
  3. Shopsin B. The clinical antidepressant effect of exogenous agmatine is not reversed by parachlorophenylalanine: a pilot study. Acta Neuropsychiatr 2013;25(2):113-8. PubMed

See these in context on the Agmatine monograph →

Grape 34 references
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  2. Xiao Dong S, Zhi Ping Z, Zhong Xiao W, et al. Possible enhancement of the first-pass metabolism of phenacetin by ingestion of grape juice in Chinese subjects. Br J Clin Pharmacol 1999;48:638-40. PubMed
  3. Vaswani SK, Hamilton RG, Carey RN, et al. Anaphylaxis recurrent urticaria and angioedema from grape hypersensitivity. J Allergy Clin Immunol 1998;101:S31.
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  5. Bernstein DI, Bernstein CK, Deng C, et al. Evaluation of the clinical efficacy and safety of grapeseed extract in the treatment of fall seasonal allergic rhinitis: a pilot study. Ann Allergy Asthma Immunol 2002;88:272-8.. PubMed
  6. Greenblatt DJ, von Moltke LL, Perloff ES, et al. Interaction of flurbiprofen with cranberry juice, grape juice, tea, and fluconazole: in vitro and clinical studies. Clin Pharmacol Ther 2006;79:125-33. PubMed
  7. Ward NC, Hodgson JM, Croft KD, et al. The combination of vitamin C and grape-seed polyphenols increases blood pressure: a randomized, double-blind, placebo-controlled trial. J Hypertens 2005;23:427-34.. PubMed
  8. Ray, S. D., Parikh, H., Hickey, E., Bagchi, M., and Bagchi, D. Differential effects of IH636 grape seed proanthocyanidin extract and a DNA repair modulator 4-aminobenzamide on liver microsomal cytochrome 4502E1-dependent aniline hydroxylation. Mol Cell B PubMed
  9. O'Byrne, D. J., Devaraj, S., Grundy, S. M., and Jialal, I. Comparison of the antioxidant effects of Concord grape juice flavonoids alpha-tocopherol on markers of oxidative stress in healthy adults. Am J Clin.Nutr. 2002;76(6):1367-1374.
  10. Schaefer, E., Peil, H., Ambrosetti, L., and Petrini, O. Oedema protective properties of the red vine leaf extract AS 195 (Folia vitis viniferae) in the treatment of chronic venous insufficiency. A 6-week observational clinical trial. Arzneimittelforschun PubMed
  11. Nishikawa, M., Ariyoshi, N., Kotani, A., Ishii, I., Nakamura, H., Nakasa, H., Ida, M., Nakamura, H., Kimura, N., Kimura, M., Hasegawa, A., Kusu, F., Ohmori, S., Nakazawa, K., and Kitada, M. Effects of continuous ingestion of green tea or grape seed extra
  12. de Lange, D. W., Scholman, W. L., Kraaijenhagen, R. J., Akkerman, J. W., and van de Wiel, A. Alcohol and polyphenolic grape extract inhibit platelet adhesion in flowing blood. Eur.J Clin.Invest 2004;34(12):818-824. PubMed
  13. Samet, J. M. and Coultas, D. B. Reduced forced vital capacity in California grape workers. What does it mean? Am Rev.Respir.Dis 1992;145(2 Pt 1):255-256. PubMed
  14. Gamsky, T. E., McCurdy, S. A., Samuels, S. J., and Schenker, M. B. Reduced FVC among California grape workers. Am Rev.Respir.Dis 1992;145(2 Pt 1):257-262. PubMed
  15. de Lange, D. W., Verhoef, S., Gorter, G., Kraaijenhagen, R. J., van de Wiel, A., and Akkerman, J. W. Polyphenolic grape extract inhibits platelet activation through PECAM-1: an explanation for the French paradox. Alcohol Clin.Exp.Res 2007;31(8):1308-1314 PubMed
  16. Etheridge, A. S., Black, S. R., Patel, P. R., So, J., and Mathews, J. M. An in vitro evaluation of cytochrome P450 inhibition and P-glycoprotein interaction with goldenseal, Ginkgo biloba, grape seed, milk thistle, and ginseng extracts and their constitu
  17. Krikorian, R., Nash, T. A., Shidler, M. D., Shukitt-Hale, B., and Joseph, J. A. Concord grape juice supplementation improves memory function in older adults with mild cognitive impairment. Br J Nutr. 2010;103(5):730-734. PubMed
  18. Ingersoll, G. L., Wasilewski, A., Haller, M., Pandya, K., Bennett, J., He, H., Hoffmire, C., and Berry, C. Effect of concord grape juice on chemotherapy-induced nausea and vomiting: results of a pilot study. Oncol.Nurs.Forum 2010;37(2):213-221. PubMed
  19. Oliveira-Freitas, V. L., Dalla, Costa T., Manfro, R. C., Cruz, L. B., and Schwartsmann, G. Influence of purple grape juice in cyclosporine bioavailability. J Ren Nutr. 2010;20(5):309-313. PubMed
  20. Hollis, J. H., Houchins, J. A., Blumberg, J. B., and Mattes, R. D. Effects of concord grape juice on appetite, diet, body weight, lipid profile, and antioxidant status of adults. J Am Coll.Nutr. 2009;28(5):574-582. PubMed
  21. Dohadwala, M. M., Hamburg, N. M., Holbrook, M., Kim, B. H., Duess, M. A., Levit, A., Titas, M., Chung, W. B., Vincent, F. B., Caiano, T. L., Frame, A. A., Keaney, J. F., Jr., and Vita, J. A. Effects of Concord grape juice on ambulatory blood pressure in
  22. Rabe, E., Stucker, M., Esperester, A., Schafer, E., and Ottillinger, B. Efficacy and tolerability of a red-vine-leaf extract in patients suffering from chronic venous insufficiency--results of a double-blind placebo-controlled study. Eur.J Vasc.Endovasc. PubMed
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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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