Comparison
Niacin 250 mg and Sustained Release Niacin 250 mg
Niacin 250 mg (21st Century) lists 2 distinct ingredients and Sustained Release Niacin 250 mg (Windmill Natural Vitamins) 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 | Niacin 250 mg | Sustained Release Niacin 250 mg |
|---|---|---|
| Calcium | 125 mg (10%) | 140 mg (11%) |
| Niacin | 250 mg (1563%) | 250 mg (1563%) |
Amounts are per serving as DSLD gives them: Niacin 250 mg, 1 tablet; Sustained Release Niacin 250 mg, 1 tablet. Current labels entered January 2022 and July 2024. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Niacin 250 mg21st Century: every row against all products listing it
- Sustained Release Niacin 250 mgWindmill Natural Vitamins: every row against all products listing it