Comparison
D3 Cholecalciferol 10 mcg (400 IU) and Vitamin D-3 (Cholecalciferol) 400 IU
D3 Cholecalciferol 10 mcg (400 IU) (Windmill) lists 2 distinct ingredients and Vitamin D-3 (Cholecalciferol) 400 IU (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 | D3 Cholecalciferol 10 mcg (400 IU) | Vitamin D-3 (Cholecalciferol) 400 IU |
|---|---|---|
| Calcium | 65 mg (5%) | 65 mg (5%) |
| Vitamin D | 10 mcg (50%) | 10 mcg (50%) |
Amounts are per serving as DSLD gives them: D3 Cholecalciferol 10 mcg (400 IU), 1 tablet; Vitamin D-3 (Cholecalciferol) 400 IU, 1 tablet. Current labels entered June 2025 and July 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- D3 Cholecalciferol 10 mcg (400 IU)Windmill: every row against all products listing it
- Vitamin D-3 (Cholecalciferol) 400 IUWindmill Natural Vitamins: every row against all products listing it