Comparison

Biotin 1000 mcg and Biotin 1,000 mcg

Biotin 1000 mcg (Natural Factors) lists 2 distinct ingredients and Biotin 1,000 mcg (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)
IngredientBiotin 1000 mcgBiotin 1,000 mcg
Calcium25 mg (2%)26 mg (2%)
Biotin1,000 mcg (3333%)1,000 mcg (3333%)

Amounts are per serving as DSLD gives them: Biotin 1000 mcg, 1 capsule; Biotin 1,000 mcg, 1 tablet. Current labels entered May 2020 and November 2019. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own