Comparison

Calcium Citrate 500 mg and Calcium Pyruvate 750 mg

Calcium Citrate 500 mg (Dr. Clark Research Association Dr. Clark Zentrum) lists 1 distinct ingredients and Calcium Pyruvate 750 mg (Best Naturals) 1 (rows of one ingredient counted once); 1 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)
IngredientCalcium Citrate 500 mgCalcium Pyruvate 750 mg
Calcium240 mg (18%)240 mg (18%)

Amounts are per serving as DSLD gives them: Calcium Citrate 500 mg, 2 capsules; Calcium Pyruvate 750 mg, 2 vegetarian capsules. Current labels entered June 2020 and May 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own