Comparison
Magnesium 250 mg and MgO 400 mg
Magnesium 250 mg (Meijer) lists 2 distinct ingredients and MgO 400 mg (21st Century) 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.
| Ingredient | Magnesium 250 mg | MgO 400 mg |
|---|---|---|
| Calcium | 65 mg (5%) | 65 mg (5%) |
| Magnesium | 250 mg (60%) | 250 mg (60%) |
Amounts are per serving as DSLD gives them: Magnesium 250 mg, 1 tablet; MgO 400 mg, 1 tablet. Current labels entered August 2023 and September 2019. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Magnesium 250 mgMeijer: every row against all products listing it
- MgO 400 mg21st Century: every row against all products listing it