Comparison

Rezistaf and Niacinamide 500 mg

Rezistaf (LifeLink) lists 1 distinct ingredients and Niacinamide 500 mg (SuperSmart) 1 (rows of one ingredient counted once); 1 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 1.00: the same ingredients, at the amounts in the table below.

Amount per serving (and % of the Daily Value)
Ingredient	Rezistaf	Niacinamide 500 mg
Niacin	5,000 mg (31250%)	2,000 mg (12500%)

Amounts are per serving as DSLD gives them: Rezistaf, 10 tablets; Niacinamide 500 mg, 4 capsules. Current labels entered January 2017 and June 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

RezistafLifeLink: every row against all products listing it
Niacinamide 500 mgSuperSmart: every row against all products listing it