Comparison

Calcium 125 mg and Calcium Citrate 100% Pure Powder

Calcium 125 mg (Dr. Clark Store) lists 1 distinct ingredients and Calcium Citrate 100% Pure Powder (NOW) 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 125 mgCalcium Citrate 100% Pure Powder
Calcium625 mg (48%)630 mg (48%)

Amounts are per serving as DSLD gives them: Calcium 125 mg, 5 capsules; Calcium Citrate 100% Pure Powder, 1.5 tsp. Current labels entered March 2020 and October 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own