Comparison

5-Hydroxy-Tryptophan (100 mg) and 5-Htp

5-Hydroxy-Tryptophan (100 mg) (Priority One Nutritional Supplements) lists 1 distinct ingredients and 5-Htp (Herbadiet) 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)
Ingredient5-Hydroxy-Tryptophan (100 mg)5-Htp
Griffonia100 mg100 mg

Amounts are per serving as DSLD gives them: 5-Hydroxy-Tryptophan (100 mg), 1 vegetarian capsule; 5-Htp, 100 mg. Current labels entered September 2020 and February 2021. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own