Comparison
Biotin 1000 mcg and Biotin 800 mcg
Biotin 1000 mcg (GNC) lists 2 distinct ingredients and Biotin 800 mcg (21st Century) 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.
| Ingredient | Biotin 1000 mcg | Biotin 800 mcg |
|---|---|---|
| Calcium | 90 mg (7%) | 88 mg (7%) |
| Biotin | 1,000 mcg (3333%) | 800 mcg (2667%) |
Amounts are per serving as DSLD gives them: Biotin 1000 mcg, 1 caplet; Biotin 800 mcg, 1 tablet. Current labels entered September 2024 and February 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Biotin 1000 mcgGNC: every row against all products listing it
- Biotin 800 mcg21st Century: every row against all products listing it