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Energy & Metabolism Generator

product on market Capsule GNC Mega Men Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains niacin and extracts from green tea, green coffee, and garcinia cambogia, which are researched for their roles in energy metabolism and weight management. Evidence for these ingredients varies from moderate to limited regarding their efficacy in supporting metabolic rate. The overall evidence coverage for this specific profile is low.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Energy & Metabolism Generator
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
Other Combinations
Product Type
33%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

20 mg (100% DV)
1.4× RDA — within safe limits 196 studies (A:5, B:63)
Blend (Combination)
243.34 mg
Market median: 600.0mg (321 products) 5 studies — no high-quality reviews
Market median: 260.0mg (249 products) 158 studies (A:4, B:61)
Market median: 450.0mg (167 products)
Lychee fruit extract
25 mg

Other Ingredients

Cellulose Magnesium Stearate Silica Chlorophyll
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take the contents of one pack daily with food.

Warnings & Precautions

Contains 200 mg of caffeine.

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

Discontinue use two weeks prior to surgery.

Keep out of reach of children.

Formulation Notes

Contains 200 mg of caffeine.

No artificial colors, no artificial flavors, no dairy, yeast free.

Also provides nutrients to support physical endurance and B vitamins for energy production.

Additional Information

CODE 209317 JRG

Each pack contains: Energy & Metabolism Generator

Actual size

Store in cool, dry place.

In a randomized, double-blind, placebo-controlled study of 112 healthy volunteers, subjects taking the GNC vitamin and mineral blend for six weeks experienced significant improvements in serum levels of certain key nutrients compared to a placebo and 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

Energy

Achieve your daily nutritional goals with customized ingredients plus multivitamins that have more antioxidant power than ever, contain over 30 clinically studied ingredients - and are smaller and easier to swallow. 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.

Metadata

Product Details

DSLD Entry Date2017-10-21
Product TypeOther Combinations
FormCapsule
BrandGNC Mega Men
DSLD ID79141
Data Updated2026-04-11
Research

Research Evidence

241
Research Sources
55
Avg Quality
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 PubMed DOI
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 PubMed DOI
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 PubMed DOI
A A terminal metabolite of niacin promotes vascular inflammation and contributes to cardiovascular disease risk
Meta Analysis Nature medicine 2024 PubMed DOI
A Meta-analysis and imputation refines the association of 15q25 with smoking quantity
Meta Analysis Nature genetics 2010 PubMed DOI
A Genome-wide meta-analyses identify multiple loci associated with smoking behavior
Meta Analysis Nature genetics 2010 PubMed DOI
A Antidepressants for smoking cessation
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
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 PubMed DOI
B Assessment of the Role of Niacin in Managing Cardiovascular Disease Outcomes: A Systematic Review and Meta-analysis
Meta Analysis JAMA network open 2019 PubMed DOI
B Association Between Lowering LDL-C and Cardiovascular Risk Reduction Among Different Therapeutic Interventions: A Systematic Review and Meta-analysis
Meta Analysis JAMA 2016 PubMed DOI
View all evidence for Niacin →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.