Comparison

Magnesium 250 mg and Magnesium Citrate 400 mg

Magnesium 250 mg (Douglas Cooper Co.) lists 2 distinct ingredients and Magnesium Citrate 400 mg (Windmill Natural Vitamins) 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)
IngredientMagnesium 250 mgMagnesium Citrate 400 mg
Calcium20 mg (2%)15 mg (1%)
Magnesium250 mg (60%)400 mg (95%)

Amounts are per serving as DSLD gives them: Magnesium 250 mg, 1 tablet; Magnesium Citrate 400 mg, 2 tablets. Current labels entered October 2022 and February 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own