Comparison

CalMac with Melatonin and Melatonin 3

CalMac with Melatonin (Nutrina) lists 4 distinct ingredients and Melatonin 3 (ProCaps Laboratories) 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 0.82.

Amount per serving (and % of the Daily Value)
IngredientCalMac with MelatoninMelatonin 3
Calcium300 mg (23%)60 mg (5%)
Magnesium300 mg (71%)60 mg (14%)
Melatonin1 mg3 mg
Vitamin C250 mg (278%)

Amounts are per serving as DSLD gives them: CalMac with Melatonin, 7 g; Melatonin 3, 1 capsule. Current labels entered May 2020 and May 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own