Comparison

Essential Calcium Magnesium and Oyster Shell Calcium & Magnesium

Essential Calcium Magnesium (Juvenon) lists 2 distinct ingredients and Oyster Shell Calcium & Magnesium (Nature's Blend) 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)
IngredientEssential Calcium MagnesiumOyster Shell Calcium & Magnesium
Calcium800 mg (62%)750 mg (58%)
Magnesium400 mg (95%)465 mg (111%)

Amounts are per serving as DSLD gives them: Essential Calcium Magnesium, 2 tablets; Oyster Shell Calcium & Magnesium, 3 tablets. Current labels entered September 2015 and August 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own