1 Product identity

Ingredient risk

2 ingredients to use with caution

Amplified N.O. Loaded V2 Watermelon

Name: Amplified N.O. Loaded V2 Watermelon
Brand: GNC Pro Performance AMP

BrandGNC Pro Performance AMP→Other Combinations Powder 34 ingredients 2 caution DSLD #27343

Net contents: 18.3 oz.

Target: Adults and Children 4 years and above

DSLD entry: 2013-12-24

2 Ingredients (34)

IngredientGroupSafety

CaloriesCalories—

Total CarbohydratesCarbohydrate—

Vitamin DVitamin DUse with Caution

NiacinNiacinConditionally Safe

Power and Performance MatrixBlend (Combination)—

BetaineBetaine—

CarnoSynBeta-AlanineGenerally Safe

Creatine HClCreatineGenerally Safe

micronized Creatine MonohydrateCreatineGenerally Safe

GuanidinoacetateGlycocyamine—

Alpha-KetoglutarateAlpha-Ketoglutarate—

L-MethionineMETHIONINE—

N.O. Accelerator BlendBlend (Combination)—

L-ArginineArginine—

L-CitrullineCitrullineGenerally Safe

Arginine AKGArginine Alpha Ketoglutarate—

L-Arginine, MicronizedArginine—

resVida Trans-ResveratrolResveratrolConditionally Safe

Yohimbe bark powderYohimbe—

Rhodiola rosea extractRhodiola Conditionally Safe

Energizing Fatty Acid Metabolizer BlendBlend—

Caffeine AnhydrousCaffeineUse with Caution

L-CarnitineL-CarnitineGenerally Safe

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—

Calcium SilicateCalcium Silicate—

Silicon DioxideSiliconGenerally Safe

SucraloseSucraloseConditionally Safe

Tartaric AcidTartaric Acid—

Beet colorColor—

Acesulfame PotassiumAcesulfame potassium—

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 Chocolate Amplified 100% Whey Protein Chocolate Amplified 100% Whey Protein Cookies & Cream Amplified 100% Whey Protein Vanilla Amplified 100% Whey Protein Vanilla Amplified Creatine 189

7 Cite this page

Vancouver

Pkhakadze G. Amplified N.O. Loaded V2 Watermelon — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Aug 30]. 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.

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