Comparison

Melatonin 3 mg and Formula 743

Melatonin 3 mg (Wonder Laboratories) lists 2 distinct ingredients and Formula 743 (DC) 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 3 mgFormula 743
Calcium47 mg (4%)47 mg (4%)
Melatonin3 mg3 mg

Amounts are per serving as DSLD gives them: Melatonin 3 mg, 1 vegetable tablet; Formula 743, 1 vegetable tablet. Current labels entered February 2025 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

  • Melatonin 3 mgWonder Laboratories: every row against all products listing it
  • Formula 743DC: every row against all products listing it