Comparison
Magnesium & Calcium and Calcium, Magnesium & Zinc plus Vitamin D3
Magnesium & Calcium (NOW) lists 4 distinct ingredients and Calcium, Magnesium & Zinc plus Vitamin D3 (Spring Valley) 4 (rows of one ingredient counted once); 4 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 & Calcium | Calcium, Magnesium & Zinc plus Vitamin D3 |
|---|---|---|
| Calcium | 400 mg (31%) | 1,000 mg (77%) |
| Vitamin D | 25 mcg (125%) | 15 mcg (75%) |
| Magnesium | 800 mg (190%) | 400 mg (95%) |
| Zinc | 15 mg (136%) | 15 mg (136%) |
Amounts are per serving as DSLD gives them: Magnesium & Calcium, 3 tablets; Calcium, Magnesium & Zinc plus Vitamin D3, 3 caplets. Current labels entered December 2019 and June 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Magnesium & CalciumNOW: every row against all products listing it
- Calcium, Magnesium & Zinc plus Vitamin D3Spring Valley: every row against all products listing it