🟢 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

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Safety Alerts

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

Label Data

3 Tablet(s) Serving Size
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
1.65 g
Sports Antioxidant Blend
105 mg
Calorie Burn Blend
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) Dairy Free

Product Information

📋 Directions for Use

DIRECTIONS: As a dietary supplement, on training days take one Pre-training Amplified Pak 30 minutes prior to your workout and one Post-training Recovery Pak immediately following your workout.

Take one pre-training pak 30 minutes prior to your workout.

⚠️ Warnings & Precautions

WARNING: Use only as directed. Do not exceed recommended daily intake. Do not use if pregnant, nursing or allergic to contraindicated to aspirin. If you are taking aspirin or blood thinning medication, under the age of 18 or have a medical condition consult your health care professional before using this product. Discontinue use two weeks prior to surgery, or if upset stomach occurs.

KEEP OUT OF REACH OF CHILDREN.

🧪 Formulation Notes

Total caffeine per serving is 400 mg.

No Artificial Flavors, No Dairy, Yeast Free.

Additional Information

In a study, a group of 25 participants exercised on the treadmill on two occasions. On one occasion, they used the Calorie Burn Blend in this formula 60 minutes before exercise and on the second occasion, they took a placebo. Results showed a 300% increase in calorie burn before exercise for those who took the Calorie Burn Blend compared to the placebo.

CarnoSyn(TM) Carnosine Synthesizer

CODE 825910 FMG

PRE-TRAINING AMPLIFIED PAK Amplified Muscle Igniter 4X

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

resVida(R) promotes healthy aging

{QR code} SCAN & LEARN MORE

GNC QUALITY COMMITMENT GNC, the leader in the development and manufacture of dietary supplements, is committed to producing the highest quality product available. This commitment begins with quality designed supplement formulations. Every raw material that goes into a GNC supplement is guaranteed as to quality and potency. Each product is dated and then shipped immediately to our stores, so you can be sure you are purchasing the freshest supplements available. At GNC, we extend our quality commitment to you by offering our money-back guarantee. GNC GUARANTEE Use any GNC supplement for as little as 10 days. If you are not 100% completely satisfied, return the unused portion of the product with proof of purchase to your GNC store for a complete refund of your purchase price. No questions asked!

This cutting-edge training system contains new and improved ingredients necessary for optimal blood flow, oxygen and nutrient transportation, and maximum athletic performance. This AMPLIFIED system combines the power of creatine, nitric oxide, an intense thermogenic and breakthrough recovery support technology in one convenient system! Put the confusion of supplement timing to rest and get maximum workout results with the Amplified Pre-Post Training System. 15 PRE-TRAINING PAKS

{image, 3 red tablets} 3 Tablets Amplified Muscle Igniter 4X Provides a new and improved formula to take you through the full metabolic cycle of athletic performance and training to deliver serious results before, during and after exercise.

Pills shown not actual size.

Store in a cool, dry place.

NEW ADVANCED MUSCLE PERFORMANCE Muscle performance boosting system

{circle} Pre-Post {circle man running} Endurance {circle flame} Energy {circle lightning} Power {circle heartbeat line} Recovery {beaker} Clinically Researched

ONE MONTH SUPPLY** Pre-Training Amplified Pak {gray pill pack image} Post-Training Recovery Pak {red pill pack image}

NEW, ADVANCED ULTIMATE MUSCLE PERFORMANCE AMPLIFYING SYSTEM {arrow} Features Pre-Workout Catalyst to Ignite Ultimate Physical & Mental Intensity {arrow} Efficiently Delivers More Nutrients & Oxygen to Power Through Fatigue Barriers {arrow} Powerful Amplified Creatine Formula Delivers a 400% Increase in Dose Efficiency for Enhanced Performance {arrow} Push Through Muscle Soreness with BioCore Enzymes & Support Recovery with MIcronized Glutamine

** Based on 15 workouts monthly.

Product Details

DSLD Entry Date 2013-02-25
Product Type Other Combinations
Form Tablet or Pill
Bundle Amplified Pre-Post Training System
DSLD ID 18473
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
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
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
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
View all evidence for Vitamin C →

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