1 Product identity
Ingredient risk
2 ingredients to use with caution
Amplified N.O. Loaded V2 Watermelon
BrandGNC Pro Performance AMP→Other Combinations Powder 34 ingredients 2 caution DSLD #27343Net contents: 18.3 oz.
Target: Adults and Children 4 years and above
DSLD entry: 2013-12-24
2 Ingredients (34)
IngredientGroupSafety
CaloriesCalories—
Total CarbohydratesCarbohydrate—
Power and Performance MatrixBlend (Combination)—
BetaineBetaine—
GuanidinoacetateGlycocyamine—
Alpha-KetoglutarateAlpha-Ketoglutarate—
N.O. Accelerator BlendBlend (Combination)—
Arginine AKGArginine Alpha Ketoglutarate—
Yohimbe bark powderYohimbe—
Energizing Fatty Acid Metabolizer BlendBlend—
Natural and Artificial flavorsFlavor—
Citric AcidCitric Acid—
Malic AcidMalic Acid—
Gum BlendBlend (Dietary substance used by man to supplement the diet by increasing the total dietary intake)—
Lecithinlecithin—
Tartaric AcidTartaric Acid—
Beet colorColor—
Ingredient amounts require the full DSLD label. View full label at NIH DSLD →
⚠️ Use with caution — restricted in some markets
Vitamin D — Granulomatous diseases (sarcoidosis, TB) — unregulated extra-renal CYP27B1 can cause life-threatening hypercalcemia even at standard doses [2][21]
Caffeine (Anhydrous) 🇬🇧 🇪🇺 🇦🇺 — High caffeine warnings mandatory on products >150 mg/L.
3 Safety cross-reference
Vitamin D — Use with Caution
⚠ Hypercalcemia at >10,000 IU/day
⚠ Vascular calcification risk
Niacin — Conditionally Safe
⚠ Flushing at >50 mg
⚠ Hepatotoxicity at high doses
Beta-Alanine — Generally Safe
⚠ Tingling (paraesthesia) — harmless
Creatine — Generally Safe
⚠ Water retention
⚠ Weight gain
L-Methionine — Limited Evidence
⚠ Raises homocysteine levels
⚠ May promote tumor growth
L-Arginine — Limited Evidence
⚠ Hypotension
⚠ May worsen herpes outbreaks
Citrulline Malate — Generally Safe
⚠ May lower blood pressure
Resveratrol — Conditionally Safe
⚠ Estrogenic activity
⚠ CYP enzyme inhibition
Rhodiola — Conditionally Safe
⚠ Insomnia if taken late
⚠ MAOI-like activity
Caffeine (Anhydrous) — Use with Caution
L-Carnitine — Generally Safe
⚠ Fishy body odor
⚠ TMAO concern
Calcium — Limited Evidence
⚠ Cardiovascular risk debated >1,000 mg/day
⚠ Kidney stones
Silicon — Generally Safe
⚠ Very low toxicity
Sucralose — Conditionally Safe
⚠ May affect gut microbiome
⚠ Heating may produce chlorinated compounds
Potassium — Limited Evidence
⚠ Hyperkalemia risk
⚠ Dangerous with ACE inhibitors
4 Label claims
• All Other
• Structure/Function
5 Data source
DSLD ID27343
Full labelView at NIH DSLD →
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2013-12-24
6 More from GNC Pro Performance AMP
View GNC Pro Performance AMP Safety Scorecard → 72 products
Amplified 100% Whey Protein ChocolateAmplified 100% Whey Protein ChocolateAmplified 100% Whey Protein Cookies & CreamAmplified 100% Whey Protein VanillaAmplified 100% Whey Protein VanillaAmplified Creatine 1897 Cite this page
Vancouver
Pkhakadze G. Amplified N.O. Loaded V2 Watermelon — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Oct 17]. Available from: https://supplement.ge/products/amplified-n-o-loaded-v2-watermelon-27343/
CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.
GP
Analyzed by SupplementIndex
PHIG · Editor-in-Chief: Prof. Giorgi Pkhakadze, MD, MPH, PhD
Product data sourced from the NIH Dietary Supplement Label Database (DSLD). Safety cross-referencing by SupplementIndex. This analysis is for informational purposes only. For corrections: info@accreditation.ge.
Publisher: PHIG
Publisher: PHIG