Comparison

Vitamin D 1000 IU and D3 1000 IU

Vitamin D 1000 IU (Health Star) lists 2 distinct ingredients and D3 1000 IU (DC) 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.

Amount per serving (and % of the Daily Value)
IngredientVitamin D 1000 IUD3 1000 IU
Calcium55 mg (4%)65 mg (5%)
Vitamin D25 mcg (125%)25 mcg (125%)

Amounts are per serving as DSLD gives them: Vitamin D 1000 IU, 1 tablet; D3 1000 IU, 1 tablet. Current labels entered September 2019 and June 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own