Comparison

Melatonin 3 mg and Melatonin 3 mg SR

Melatonin 3 mg (Thompson) lists 3 distinct ingredients and Melatonin 3 mg SR (KAL) 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.

Amount per serving (and % of the Daily Value)
IngredientMelatonin 3 mgMelatonin 3 mg SR
Vitamin B65 mg (294%)4.1 mg (241%)
Riboflavin2 mg (154%)2.1 mg (162%)
Melatonin3 mg3 mg

Amounts are per serving as DSLD gives them: Melatonin 3 mg, 1 tablet; Melatonin 3 mg SR, 1 tablet. Current labels entered August 2014 and October 2021. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own