🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 38% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
38% Evidence Coverage

Supplement Facts — Evidence Check

20 mg (125% DV)
✅ 1.4× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 20mg UL 35mg
📊 Market median: 180.0mg (239 products) 📚 43 studies (Tier A: 1, B: 19)
This product: 200mg UL 400mg
📊 Market median: 600.0mg (321 products) 📚 5 studies — no high-quality reviews
This product: 100mg
📊 Market median: 260.0mg (249 products) 📚 156 studies (Tier A: 4, B: 61)
This product: 50mg
📊 Market median: 450.0mg (167 products)
Median 450.0mg This product: 50mg
Capsimax
33.4 mg
Lychee fruit extract
25 mg
Black Pepper Fruit Extract
10 mg

Other Ingredients

Gelatin Microcrystalline Cellulose Sugar Hydroxypropyl Cellulose Calcium Silicate Magnesium Stearate Talc Silica Chlorophyllin

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (97% of products) Structure/Function (86% of products) Nutrient (36% of products)

Target Groups

Adult Male (18-50 Years)

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take the contents of one pack daily with food. Do not take prior to bedtime.

⚠️ Warnings & Precautions

Warning: cancer and reproductive harm - www.P65Warnings.ca.gov. Discontinue use two weeks prior to surgery. Inform your physician of this product's biotin content before any lab test. Niacin may cause a temporary flushing reaction. This product contains EGCG from green tea.

Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.

Keep out of reach of children.

Contains 200mg of caffeine.

🧪 Formulation Notes

No artificial flavors.

Capsimax

Achieve your daily nutritional goals with customized ingredients plus a multivitamin with more than 30 clinically studied ingredients. Contains a clinically studied multivitamin blend shown to work better than a basic multivitamin. In a randomized, double-blind, placebo-controlled study of 112 healthy volunteers, subjects taking the GNC vitamin and mineral blends for six weeks experienced significant improvements in serum levels of certain key nutrients compared to a placebo and a leading multivitamin formula based upon multivariate statistical analyses of a group of B vitamins (thiamin, niacin, riboflavin, pantothenic acid, biotin, folic acid and vitamins B-6 and B-12) and key antioxidants and carotenoids (a group of beta-carotene, alpha-tocopherol, selenium, lutein and lycopene). Statistical improvements in SF-36 vitality and mental health scores were also observed compared to placebo. Antioxidants Packed with antioxidants to help fight free radicals that can be produced during intense exercise. Energy & metabolism Features a clinically studied thermogenic proven to boost energy and enhance calorie burning. Also provides nutrients to support physical endurance and energy production. Heart health Has EPA, which is important for cardiovascular and circulatory health and supports cholesterol and triglyceride levels that are already within the normal range. Sexual health Includes herbs that are traditionally used to support sexual health and L-arginine, which plays a key role in sexual health.

VITAPAK Program with clinically studied multivitamin blend In a randomized, double-blind, placebo-controlled study of 112 healthy volunteers, subjects taking the GNC vitamin and mineral blends for six weeks experienced significant improvements in serum levels of certain key nutrients compared to a placebo and a leading multivitamin formula based upon multivariate statistical analyses of a group of B vitamins (thiamin, niacin, riboflavin, pantothenic acid, biotin, folic acid and vitamins B-6 and B-12) and key antioxidants and carotenoids (a group of beta-carotene, alpha-tocopherol, selenium, lutein and lycopene). Statistical improvements in SF-36 vitality and mental health scores were also observed compared to placebo. Antioxidants

Energy & metabolism Heart health Sexual health Clinically studied In a randomized, double-blind, placebo-controlled study of 112 healthy volunteers, subjects taking the GNC vitamin and mineral blends for six weeks experienced significant improvements in serum levels of certain key nutrients compared to a placebo and a leading multivitamin formula based upon multivariate statistical analyses of a group of B vitamins (thiamin, niacin, riboflavin, pantothenic acid, biotin, folic acid and vitamins B-6 and B-12) and key antioxidants and carotenoids (a group of beta-carotene, alpha-tocopherol, selenium, lutein and lycopene). Statistical improvements in SF-36 vitality and mental health scores were also observed compared to placebo.

Each pack contains: Energy & metabolism generator

Men's Health

Additional Information

Store in a cool, dry place.

For More Information: 1-888-462-2548 GNC.com

30-Day Supply

Actual size

Product Details

DSLD Entry Date 2024-04-23
Product Type Other Combinations
Form Capsule
Brand GNC Mega Men
Bundle Energy & Metabolism
DSLD ID 304636
Data Updated 2026-04-11

Research Evidence

241 Research Sources
55 Avg Quality Score
113 Meta Analysis
75 Systematic Review
32 Rct
11 Clinical Trial
3 Other
3 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Openfda Safety
A Niacin for primary and secondary prevention of cardiovascular events
Meta Analysis The Cochrane database of systematic reviews 2017
A Use of high potency statins and rates of admission for acute kidney injury: multicenter, retrospective observational analysis of administrative databases
Meta Analysis BMJ (Clinical research ed.) 2013
A Effect on cardiovascular risk of high density lipoprotein targeted drug treatments niacin, fibrates, and CETP inhibitors: meta-analysis of randomised controlled trials including 117,411 patients
Meta Analysis BMJ (Clinical research ed.) 2014
A A terminal metabolite of niacin promotes vascular inflammation and contributes to cardiovascular disease risk
Meta Analysis Nature medicine 2024
A Meta-analysis and imputation refines the association of 15q25 with smoking quantity
Meta Analysis Nature genetics 2010
A Genome-wide meta-analyses identify multiple loci associated with smoking behavior
Meta Analysis Nature genetics 2010
A Antidepressants for smoking cessation
Meta Analysis The Cochrane database of systematic reviews 2014
A Topical azelaic acid, salicylic acid, nicotinamide, sulphur, zinc and fruit acid (alpha-hydroxy acid) for acne
Meta Analysis The Cochrane database of systematic reviews 2020
B Assessment of the Role of Niacin in Managing Cardiovascular Disease Outcomes: A Systematic Review and Meta-analysis
Meta Analysis JAMA network open 2019
B Association Between Lowering LDL-C and Cardiovascular Risk Reduction Among Different Therapeutic Interventions: A Systematic Review and Meta-analysis
Meta Analysis JAMA 2016
View all evidence for Niacin →

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