Comparison

Vitamin D-2000 and Vitamin D-3 50 mcg (2,000 IU)

Vitamin D-2000 (21st Century) lists 2 distinct ingredients and Vitamin D-3 50 mcg (2,000 IU) (Sunshine) 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-2000Vitamin D-3 50 mcg (2,000 IU)
Calcium180 mg (14%)150 mg (12%)
Vitamin D50 mcg (250%)50 mcg (250%)

Amounts are per serving as DSLD gives them: Vitamin D-2000, 1 tablet; Vitamin D-3 50 mcg (2,000 IU), 1 tablet. Current labels entered August 2012 and August 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own