Comparison

5-HTP with Calcium and 5-Hydroxy-Tryptophan

5-HTP with Calcium (HerbTonics) lists 3 distinct ingredients and 5-Hydroxy-Tryptophan (Thorne Research) 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 0.80.

Amount per serving (and % of the Daily Value)
Ingredient5-HTP with Calcium5-Hydroxy-Tryptophan
Vitamin B610 mg (588%)6.8 mg (400%)
5-HTP200 mg100 mg
Calcium328 mg (25%)

Amounts are per serving as DSLD gives them: 5-HTP with Calcium, 2 vegetable capsules; 5-Hydroxy-Tryptophan, 2 capsules. Current labels entered January 2022 and February 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own