Comparison

B-2 100 mg and B-2 100 mg Riboflavin

B-2 100 mg (Source Naturals) lists 2 distinct ingredients and B-2 100 mg Riboflavin (Carlson) 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 1.00: the same ingredients, at the amounts in the table below.

Amount per serving (and % of the Daily Value)
IngredientB-2 100 mgB-2 100 mg Riboflavin
Calcium89 mg (7%)72 mg (6%)
Riboflavin100 mg (7692%)100 mg (7692%)

Amounts are per serving as DSLD gives them: B-2 100 mg, 1 tablet; B-2 100 mg Riboflavin, 1 tablet. Current labels entered June 2023 and March 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own