Comparison

5-HTP with Vitamin B6 100 mg and 5-HTP with Calcium

5-HTP with Vitamin B6 100 mg (The Vitamin Shoppe) lists 4 distinct ingredients and 5-HTP with Calcium (HerbTonics) 3 (rows of one ingredient counted once); 3 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 0.72.

Amount per serving (and % of the Daily Value)
Ingredient5-HTP with Vitamin B6 100 mg5-HTP with Calcium
Calcium70 mg (5%)328 mg (25%)
Vitamin B620 mg (1176%)10 mg (588%)
5-HTP100 mg200 mg
Phosphorus54 mg (4%)

Amounts are per serving as DSLD gives them: 5-HTP with Vitamin B6 100 mg, 1 capsule; 5-HTP with Calcium, 2 vegetable capsules. Current labels entered May 2020 and January 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own