Comparison

Calcium/Magnesium and Calcium 1,000 mg Magnesium 400 mg

Calcium/Magnesium (Perricone MD Nutriceuticals) lists 6 distinct ingredients and Calcium 1,000 mg Magnesium 400 mg (Health Thru Nutrition Naturally) 6 (rows of one ingredient counted once); 6 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/MagnesiumCalcium 1,000 mg Magnesium 400 mg
Calcium333 mg (26%)1,000 mg (77%)
Vitamin D0.825 mcg (4%)2.5 mcg (13%)
Magnesium133 mg (32%)400 mg (95%)
Vitamin K3.3 mcg (3%)10 mcg (8%)
Boron0.33 mg1 mg
Horsetail8.33 mg25 mg

Amounts are per serving as DSLD gives them: Calcium/Magnesium, 1 caplet; Calcium 1,000 mg Magnesium 400 mg, 3 softgels. Current labels entered November 2019 and July 2018. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own