Comparison

Energy & Metabolism Generator and Energy and Metabolism Igniter

Energy & Metabolism Generator (GNC Mega Men) lists 9 distinct ingredients and Energy and Metabolism Igniter (GNC Women's) 10 (rows of one ingredient counted once); 9 are on both labels. On the site's similarity measure, which compares ingredient lists (1 for the same list, rarer ingredients counting for more; amounts are not part of it), the two formulas score 0.87.

Amount per serving (and % of the Daily Value)
IngredientEnergy & Metabolism GeneratorEnergy and Metabolism Igniter
Niacin20 mg (125%)20 mg (125%)
Green Tea50 mg50 mg
Caffeine200 mg200 mg
Black Pepper10 mg10 mg
Capsicum33.4 mg33.4 mg
Green Coffee50 mg50 mg
Garcinia100 mg100 mg
Piperine5 mg5 mg
Lychee25 mg25 mg
EGCG25 mg

Amounts are per serving as DSLD gives them: Energy & Metabolism Generator, 1 capsule; Energy and Metabolism Igniter, 1 green capsule. Current labels entered April 2024 and June 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own