Comparison

L-Carnitine Complex and Energy & Metabolism Generator

L-Carnitine Complex (GNC Total Lean) lists 7 distinct ingredients and Energy & Metabolism Generator (GNC Women's Ultra Mega) 8 (rows of one ingredient counted once); 6 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 0.60.

Amount per serving (and % of the Daily Value)
IngredientL-Carnitine ComplexEnergy & Metabolism Generator
Niacin18 mg (113%)20 mg (125%)
Green Tea50 mg50 mg
Black Pepper5 mgnot disclosed
Capsicum100 mgnot disclosed
Green Coffee400 mg50 mg
Garcinia500 mg100 mg
Caffeinenot disclosed
L-Carnitine1,000 mg
Lychee25 mg

Amounts are per serving as DSLD gives them: L-Carnitine Complex, 2 tablets; Energy & Metabolism Generator, 1 dark green capsule. Current labels entered February 2020 and January 2017. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own