Comparison

Melatonin Sustain and Melatonin Spray 1 mg

Melatonin Sustain (Jarrow Formulas) lists 2 distinct ingredients and Melatonin Spray 1 mg (SuperSmart) 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.

Amount per serving (and % of the Daily Value)
IngredientMelatonin SustainMelatonin Spray 1 mg
Vitamin B62 mg (118%)1.5 mg (88%)
Melatonin1 mg1 mg

Amounts are per serving as DSLD gives them: Melatonin Sustain, 1 tablet; Melatonin Spray 1 mg, 1 spray. Current labels entered December 2019 and June 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own