Comparison

Quick Dissolve Melatonin 500 mcg and Microtonin 500 mcg

Quick Dissolve Melatonin 500 mcg (Mason Natural) lists 1 distinct ingredients and Microtonin 500 mcg (Cardiovascular Research) 1 (rows of one ingredient counted once); 1 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)
Ingredient	Quick Dissolve Melatonin 500 mcg	Microtonin 500 mcg
Melatonin	0.5 mg	0.5 mg

Amounts are per serving as DSLD gives them: Quick Dissolve Melatonin 500 mcg, 1 tablet; Microtonin 500 mcg, 1 capsule. Current labels entered March 2021 and June 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

Quick Dissolve Melatonin 500 mcgMason Natural: every row against all products listing it
Microtonin 500 mcgCardiovascular Research: every row against all products listing it