Comparison
D3 25 mcg (1000 IU) and High Potency D3-1000 IU
D3 25 mcg (1000 IU) (21st Century) lists 2 distinct ingredients and High Potency D3-1000 IU (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 | D3 25 mcg (1000 IU) | High Potency D3-1000 IU |
|---|---|---|
| Calcium | 90 mg (7%) | 90 mg (7%) |
| Vitamin D | 25 mcg (125%) | 25 mcg (125%) |
Amounts are per serving as DSLD gives them: D3 25 mcg (1000 IU), 1 tablet; High Potency D3-1000 IU, 1 tablet. Current labels entered December 2021 and May 2016. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- D3 25 mcg (1000 IU)21st Century: every row against all products listing it
- High Potency D3-1000 IU21st Century: every row against all products listing it