🟢 97/100

This product looks safe

  • Niacin: 40mg is 1.1× the Tolerable Upper Intake Level (35mg)
  • 31% 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 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
31% 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
5 mg (247% DV)
📊 3.8× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 5mg UL 100mg
10 mg (100% DV)
✅ 2.0× RDA — within safe limits 📚 1 studies — no high-quality reviews
RDA 5mg This product: 10mg
17 mg (4% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 17mg
15 mg (100% DV)
✅ 1.4× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 15mg UL 40mg
Sodium
100 mg (4% DV)
Potassium
99 mg (3% DV)
Stamina Spike
405 mg
Herbal Anabolic Potentiator
350 mg
Thermo Activator Blend
328.34 mg
Muscle Stimulator Blend
250 mg
N.O. Magnifier
125 mg

Other Ingredients

Gelatin Cellulose Titanium Dioxide Mica FD&C Red #40 FD&C Blue #1

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)

Product Information

📋 Directions for Use

DIRECTIONS: As a dietary supplement, take three capsules 30 to 60 minutes before exercise once per day.

⚠️ Warnings & Precautions

WARNING: For adult use only. Use only as directed. Do not exceed recommended daily intake. Do not use this product if you are pregnant or lactating. If you are taking medication or have a medical condition, consult a physician before using this product. Discontinue use two weeks prior to surgery.

KEEP OUT OF REACH OF CHILDREN

🧪 Formulation Notes

Each serving supplies 200 mg of caffeine.

Additional Information

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!

GNC QUALITY COMMITMENT GNC, the leader in the development and manufacture of dietary supplements, is committed to producing the highest quality products 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.

HARDCORE METABOLIC STACK PROVIDES BLISTERING INTENSITY AND IGNITES METABOLISM*

Magnify Muscle Energy. Crush Free Radicals. Intensify Mental Focus and Drive.

Meets USP <2040> disintegration.

NEW

Please recycle this box.

POTENT THERMOGENIC FORMULA FOR RAPID RUSH AND FATTY ACID METABOLISM*

POWERFUL THERMOGENIC AGENTS TRIGER DRAMATIC PRE-TRAINING CALORIC BURN*

resVida promotes healthy aging

The intense, focused training you demand to reach your peak potential places incredible stresses on your body. To transform your physique and perform at the highest level possible, you need to supply your body with a dynamic spectrum of nutrients and metabolic co-factors that enhance performance, promote fatty acid metabolism and support recovery.* Beyond RAW(TM) Refine is designed specifically to provide the fuel you need to ignite your metabolism.* This revolutionary forumla is loaded with a precise array of elements that dramatically transforms your body into a dynamic calorie burning machine.*

ULTRA THERMOGENIC AND METABOLIC IGNITER

Uses of beta-Alanine are licensed from Natural Alternatives International, Inc. under U.S. Patents 5,965,596; 6,172,098; and 6,426,361

Store in a cool, dry place.

CAUTION: - This product contains extremely potent concentrations of muscle fuel. It is designed to provide experienced athletes with explosive gains, bursts of energy and massive anabolic surges. Use only if you are ready to take your workout to the next level of athletic performance.

CODE 826110 HLG

Conforms to USP <2091> for weight.

Fuel Mind-Blowing, Hardcore Training to Drive Ultra-Ripped Muscularity & Mental Intensity.

FUELS EXTREME PHYSIQUE REPARTITIONING WORKOUTS AND PROMOTES ANABOLIC DRIVE*

Product Details

DSLD Entry Date 2011-11-25
Product Type Other Combinations
Form Capsule
DSLD ID 2223
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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