Comparison

5-HTP With Vitamin B6 50 mg and 5-HTP Synergy

5-HTP With Vitamin B6 50 mg (The Vitamin Shoppe) lists 2 distinct ingredients and 5-HTP Synergy (Designs for Health) 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)
Ingredient5-HTP With Vitamin B6 50 mg5-HTP Synergy
Vitamin B610 mg (588%)10 mg (588%)
5-HTP50 mg50 mg

Amounts are per serving as DSLD gives them: 5-HTP With Vitamin B6 50 mg, 1 capsule; 5-HTP Synergy, 1 capsule. Current labels entered October 2017 and October 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own