L-Arginine & L-Citrulline
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| L-Arginine (as L-Arginine Hydrochloride) | 500 mg | † |
| L-Citrulline | 500 mg | † |
Bioavailability Excellent
Absorption Rating
- L-Arginine (as L-Arginine Hydrochloride) Good
- L-Citrulline Good
Other Ingredients Excellent
Fillers & Additives
- Microcrystalline Cellulose
- Hydroxypropylcellulose
- Stearic Acid
- Modified Cellulose Gum
- Calcium Silicate
- Ethylcellulose
- Magnesium Stearate
- Silicon Dioxide
- Carnauba Wax
- Triacetin
- Diacetylated Monoglycerides
- Oleic Acid
- Polyethylene Glycol Low
Efficacy Very Poor
Dosage Analysis
- L-Arginine (as L-Arginine Hydrochloride) 500 mg Under-dosed
- L-Citrulline 500 mg Under-dosed
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| L-Arginine (as L-Arginine Hydrochloride) | 500 mg | † |
| L-Citrulline | 500 mg | † |
Other Ingredients
Hydroxypropylcellulose Generally_safe
Stearic Acid Safe
Modified Cellulose Gum Generally_safe
Calcium Silicate Safe
Ethylcellulose Generally_safe
Magnesium Stearate Safe
Silicon Dioxide Safe
Carnauba Wax Safe
Triacetin Generally_safe
Diacetylated Monoglycerides Unknown
Oleic Acid Safe
Polyethylene Glycol Caution
Price Comparison
Price History
Tracked across major retailers. Updated periodically.
Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.
Certifications
5 certifications
Is GNC L-Arginine & L-Citrulline a good supplement?
GNC L-Arginine & L-Citrulline received a product quality score of 73/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 2 active ingredients Of the 13 inactive ingredients, 7 are rated safe and 1 are flagged for review. The manufacturer, GNC, holds a brand trust score of 88/100 with 5 verified certifications including Informed Sport, Consumerlab, Fda Gmp Inspections, Usda Organic.
What are the ingredients in GNC L-Arginine & L-Citrulline?
GNC L-Arginine & L-Citrulline contains 2 active ingredients: L-Arginine (as L-Arginine Hydrochloride) (500 mg), L-Citrulline (500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is GNC L-Arginine & L-Citrulline safe to take?
GNC L-Arginine & L-Citrulline has been analyzed for ingredient safety across all its components. Of 13 inactive ingredients, 7 are rated safe. 1 ingredient is flagged for review: Polyethylene Glycol. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.
Is GNC a trustworthy supplement brand?
GNC receives a brand trust score of 88/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1935 and headquartered in Pittsburgh, Pennsylvania, USA, the company offers 200 products in their lineup. They hold 5 verified certifications including Informed Sport, Consumerlab, Fda Gmp Inspections, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.
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