1 Product identity

Ingredient risk

Contains restricted ingredients

Amplified Muscle Igniter 4X

Name: Amplified Muscle Igniter 4X
Brand: GNC Pro Performance AMP

BrandGNC Pro Performance AMP→Other Combinations Tablet or Pill 36 ingredients 1 banned 2 caution DSLD #18473

Net contents: 15 Pre-Training Amplified Pak(s)

Target: Adults and Children 4 years and above

DSLD entry: 2013-02-25

2 Ingredients (36)

IngredientGroupSafety

Vitamin CVitamin CGenerally Safe

NiacinNiacinConditionally Safe

Vitamin B6Vitamin B6Use with Caution

Pantothenic AcidPantothenic Acid (Vitamin B5)—

Performance BlendBlend (Combination)—

Ginger root extractGinger —

Yerba Mate leaf extractMate—

8% CaffeineCaffeineUse with Caution

Guarana Seed ExtractGuarana —

36% CaffeineCaffeineUse with Caution

Schisandra fruit extractSchisandraGenerally Safe

Black Tea leaf extractBlack Tea—

10% CaffeineCaffeineUse with Caution

Dill Weed extractDill—

Grape seed extractGrape —

Sports Antioxidant BlendBlend (Combination)—

resVida Trans-ResveratrolResveratrolConditionally Safe

Green Tea leaf extractGreen Tea—

Quercetin DihydrateQuercetinConditionally Safe

Yohimbe bark extractYohimbe—

Fenugreek seed powderFenugreekConditionally Safe

Calorie Burn BlendBlend (Combination)—

Caffeine AnhydrousCaffeineUse with Caution

White Willow bark extractWhite Willow—

CapsimaxCapsicum—

Black Pepper ExtractBlack Pepper—

CarnoSynBeta-AlanineGenerally Safe

L-CarnitineL-CarnitineGenerally Safe

CelluloseCellulose—

Dicalcium PhosphateCalciumConditionally Safe

Vegetable AcetoglyceridesGlycerides—

Titanium DioxideTitanium DioxideBanned in ≥1 country

natural Mint FlavorFlavor—

Artificial ColorsColor—

MicaMica—

SucraloseSucraloseConditionally Safe

Ingredient amounts require the full DSLD label. View full label at NIH DSLD →

⛔ Contains an ingredient banned in ≥1 country

Titanium Dioxide 🇫🇷 🇪🇺 — France banned TiO₂ in food from January 2020, first EU country.

⚠️ Use with caution — restricted in some markets

Vitamin B6 — Sensory neuropathy from chronic high-dose B6 (>200 mg/day) — presents as numbness, ataxia. Can be irreversible. Often self-prescribed by patients…

Caffeine (Anhydrous) 🇬🇧 🇪🇺 🇦🇺 — High caffeine warnings mandatory on products >150 mg/L.

3 Safety cross-reference

Vitamin C — Generally Safe

⚠ GI distress at high doses

⚠ Kidney stones risk >1g/day

Niacin — Conditionally Safe

⚠ Flushing at >50 mg

⚠ Hepatotoxicity at high doses

Vitamin B6 — Use with Caution

Pantothenic Acid — Limited Evidence

⚠ Diarrhea at very high doses

Ginger Root — Limited Evidence

⚠ GI: heartburn at high doses

⚠ Antiplatelet effect

Caffeine (Anhydrous) — Use with Caution

Schisandra — Generally Safe

⚠ GI discomfort

⚠ May affect CYP enzymes

Grape Seed Extract — Limited Evidence

⚠ Antiplatelet effect

⚠ May interact with anticoagulants

Resveratrol — Conditionally Safe

⚠ Estrogenic activity

⚠ CYP enzyme inhibition

Quercetin — Conditionally Safe

⚠ Inhibits CYP3A4

⚠ Affects cyclosporine levels

Fenugreek — Conditionally Safe

⚠ Hypoglycemia

⚠ Maple syrup odor

White Willow Bark — Limited Evidence

⚠ Contains salicin (aspirin-like)

⚠ GI irritation

Beta-Alanine — Generally Safe

⚠ Tingling (paraesthesia) — harmless

L-Carnitine — Generally Safe

⚠ Fishy body odor

⚠ TMAO concern

Calcium — Conditionally Safe

⚠ Cardiovascular risk debated >1,000 mg/day

⚠ Kidney stones

Titanium Dioxide — Banned in ≥1 country

⚠ EFSA: can no longer be considered safe as food additive (2021)

⚠ Genotoxicity concern (nanoparticles)

Sucralose — Conditionally Safe

⚠ May affect gut microbiome

⚠ Heating may produce chlorinated compounds

4 Label claims

• All Other

• Structure/Function

5 Data source

DSLD ID18473

Full labelView at NIH DSLD →

SourceOffice of Dietary Supplements, NIH

Market statusOn market

Entry date2013-02-25

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 Muscle Igniter 4X — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Aug 29]. Available from: https://supplement.ge/products/amplified-muscle-igniter-4x-18473/

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