Amplified Muscle Igniter 4X

product on market Tablet or Pill GNC Pro Performance AMP 🟢 Safety: 96/100
Brand: GNC Pro Performance AMP
🟢 96/100

This product looks safe

  • Niacin: 40mg is 1.1× the Tolerable Upper Intake Level (35mg)
  • 33% of ingredients have research evidence
C Label Compliance Grade

Product Label

Label for Amplified Muscle Igniter 4X
📄 Open Full PDF View on NIH DSLD →
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Safety Alerts

⚠️ Niacin: 40mg is 1.1× the Tolerable Upper Intake Level (35mg)

Label Data

3 Tablet(s) Serving Size
30 Servings
Other Combinations Product Type
33% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
120 mg (200% DV)
40 mg (200% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.1× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 40mg UL 35mg
2 mg (100% DV)
✅ 1.5× RDA — within safe limits 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 2mg UL 100mg
10 mg (100% DV)
✅ 2.0× RDA — within safe limits 📚 1 studies — no high-quality reviews
RDA 5mg This product: 10mg
Performance Blend (Herb/Botanical)
1.65 Gram(s)
Sports Antioxidant Blend (Combination)
105 mg
Calorie Burn Blend (Combination)
293.6 mg
CarnoSyn
50 mg
25 mg
📊 Market median: 500.0mg (861 products) 📚 60 studies (Tier A: 4, B: 13)
This product: 25mg

Other Ingredients

Cellulose Dicalcium Phosphate Vegetable Acetoglycerides Titanium Dioxide natural Mint flavor Artificial Colors Mica Sucralose

Label Claims — Verification

❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

DIRECTIONS: As a dietary supplement, take three tablets daily.

⚠️ Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

Do not use if pregnant, nursing or allergic or contraindicated to aspirin. If you are taking aspirin or blood thinning or other medication or have a medical condition, consult your healthcare professional before using this product. Discontinue use two weeks prior to surgery, or if upset stomach occurs.

WARNING: Use only as directed. Do not exceed three tablets daily.

🧪 Formulation Notes

Total caffeine per serving is 400 mg.

No Artificial Flavors, No Preservatives, No Wheat, No Gluten, No Soy, No Dairy, Yeast Free.

Additional Information

Store in a cool, dry place.

4-phase workout enhancer

ADVANCED MUSCLE PERFORMANCE

Clinically Researched

CODE 830211 AMG

Conforms to USP <2091> for weight. Meets USP <2040> disintegration.

Daily Pre-Workout Endurance Energy

NEW AND IMPROVED PRE-TRAINING FORMULA FOR ENHANCED ENDURANCE*

Capsimax(TM)

CarnoSyn(TM) Carnosine Synthesizer

resVida(R) promotes healthy aging

Product Details

UPC / SKU 0 48107 10128 2
DSLD Entry Date 2012-02-23
Product Type Other Combinations
Form Tablet or Pill
Brand GNC Pro Performance AMP
DSLD ID 5817
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
148 Meta Analysis
82 Systematic Review
71 Rct
62 Clinical Trial
2 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Other
1 Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
PubMed DOI Cochrane
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
PubMed DOI Cochrane
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
PubMed DOI Cochrane
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
PubMed DOI Cochrane
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024
PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
PubMed DOI
View all evidence for Vitamin C →

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