Comparison

L-Trytophan 1000 mg and L-Tryptophan 1000 mg

L-Trytophan 1000 mg (The Vitamin Shoppe) lists 2 distinct ingredients and L-Tryptophan 1000 mg (The Vitamin Shoppe) 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)
IngredientL-Trytophan 1000 mgL-Tryptophan 1000 mg
Calcium120 mg (9%)120 mg (9%)
Tryptophan1,000 mg1,000 mg

Amounts are per serving as DSLD gives them: L-Trytophan 1000 mg, 1 tablet; L-Tryptophan 1000 mg, 1 tablet. Current labels entered February 2019 and January 2016. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own