Comparison
L-Tryptophan 1,000 mg and L-Tryptophan
L-Tryptophan 1,000 mg (Source Naturals) lists 2 distinct ingredients and L-Tryptophan (Pure Encapsulations) 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.
| Ingredient | L-Tryptophan 1,000 mg | L-Tryptophan |
|---|---|---|
| Vitamin B6 | 44 mg (2588%) | 6.7 mg (394%) |
| Tryptophan | 2,000 mg | 1,000 mg |
Amounts are per serving as DSLD gives them: L-Tryptophan 1,000 mg, 1 tablet; L-Tryptophan, 2 capsules. Current labels entered November 2022 and July 2023. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- L-Tryptophan 1,000 mgSource Naturals: every row against all products listing it
- L-TryptophanPure Encapsulations: every row against all products listing it