Comparison

B3 Nicotinamide and Nicotinamide 500 mg

B3 Nicotinamide (Swiss BioEnergetics) lists 3 distinct ingredients and Nicotinamide 500 mg (aSquared Nutrition) 2 (rows of one ingredient counted once); 2 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 0.57.

Amount per serving (and % of the Daily Value)
IngredientB3 NicotinamideNicotinamide 500 mg
Niacin250 mg (1563%)500 mg (3125%)
Resveratrol100 mg100 mg
Betaine500 mg

Amounts are per serving as DSLD gives them: B3 Nicotinamide, 2 capsules; Nicotinamide 500 mg, 1 capsule. Current labels entered February 2023 and June 2023. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own