Comparison
Vitamin D-3 50 mcg (2000 IU) and Vitamin D 2000 IU
Vitamin D-3 50 mcg (2000 IU) (GNC) lists 2 distinct ingredients and Vitamin D 2000 IU (Wonder Laboratories) 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 | Vitamin D-3 50 mcg (2000 IU) | Vitamin D 2000 IU |
|---|---|---|
| Calcium | 76 mg (6%) | 67.2 mg (5%) |
| Vitamin D | 50 mcg (250%) | 50 mcg (250%) |
Amounts are per serving as DSLD gives them: Vitamin D-3 50 mcg (2000 IU), 1 tablet; Vitamin D 2000 IU, 1 tablet. Current labels entered June 2020 and August 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Vitamin D-3 50 mcg (2000 IU)GNC: every row against all products listing it
- Vitamin D 2000 IUWonder Laboratories: every row against all products listing it