Comparison
Melatonin 2 mg and Melatonin 2.0 mg
Melatonin 2 mg (Source Naturals) lists 2 distinct ingredients and Melatonin 2.0 mg (Source Naturals Sleep Science) 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 | Melatonin 2 mg | Melatonin 2.0 mg |
|---|---|---|
| Calcium | 31 mg (2%) | 31 mg (2%) |
| Melatonin | 2 mg | 2 mg |
Amounts are per serving as DSLD gives them: Melatonin 2 mg, 1 tablet; Melatonin 2.0 mg, 1 tablet. Current labels entered November 2017 and September 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Melatonin 2 mgSource Naturals: every row against all products listing it
- Melatonin 2.0 mgSource Naturals Sleep Science: every row against all products listing it