Comparison
Sleep Formula and Calcium Magnesium & Zinc
Sleep Formula (Douglas Laboratories) lists 3 distinct ingredients and Calcium Magnesium & Zinc (Sundown Naturals) 3 (rows of one ingredient counted once); 3 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 | Sleep Formula | Calcium Magnesium & Zinc |
|---|---|---|
| Calcium | 500 mg (38%) | 1,000 mg (77%) |
| Magnesium | 200 mg (48%) | 400 mg (95%) |
| Zinc | 30 mg (273%) | 25 mg (227%) |
Amounts are per serving as DSLD gives them: Sleep Formula, 1 packet; Calcium Magnesium & Zinc, 3 caplets. Current labels entered June 2012 and August 2017. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Sleep FormulaDouglas Laboratories: every row against all products listing it
- Calcium Magnesium & ZincSundown Naturals: every row against all products listing it