Comparison

Gradual Release Calcium+D3 and Calcimate Plus 800

Gradual Release Calcium+D3 (Well At Walgreens) lists 3 distinct ingredients and Calcimate Plus 800 (GNC) 3 (rows of one ingredient counted once); 3 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)
IngredientGradual Release Calcium+D3Calcimate Plus 800
Calcium1,200 mg (92%)800 mg (62%)
Vitamin D25 mcg (125%)50 mcg (250%)
Magnesium80 mg (19%)100 mg (24%)

Amounts are per serving as DSLD gives them: Gradual Release Calcium+D3, 2 tablets; Calcimate Plus 800, 4 caplets. Current labels entered April 2015 and October 2011. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own