Comparison

CalorieBurner 643 and Thermo Igniter 12x

CalorieBurner 643 (R Walker Companies) lists 6 distinct ingredients and Thermo Igniter 12x (GNC Pro Performance AMP) 5 (rows of one ingredient counted once); 4 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 0.48.

Amount per serving (and % of the Daily Value)
IngredientCalorieBurner 643Thermo Igniter 12x
Niacin9 mg (56%)20 mg (125%)
Caffeine100 mgnot disclosed
Capsicumnot disclosednot disclosed
Piperinenot disclosed5 mg
Black Peppernot disclosed
Chromium Picolinate60 mcg
Cellulose0.28 g

Amounts are per serving as DSLD gives them: CalorieBurner 643, 1 capsule; Thermo Igniter 12x, 1 red capsule. Current labels entered October 2014 and February 2017. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own