Comparison

Optimized Tryptophan Plus and Optimized TryptoPure Plus

Optimized Tryptophan Plus (Life Extension) lists 5 distinct ingredients and Optimized TryptoPure Plus (Life Extension) 5 (rows of one ingredient counted once); 4 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 0.66.

Amount per serving (and % of the Daily Value)
IngredientOptimized Tryptophan PlusOptimized TryptoPure Plus
Niacin66 mg (413%)66 mg (413%)
Lysine250 mg250 mg
Tryptophan1,000 mg1,000 mg
Rosemarynot disclosednot disclosed
Gingernot disclosed
Hopsnot disclosed

Amounts are per serving as DSLD gives them: Optimized Tryptophan Plus, 3 vegetarian capsules; Optimized TryptoPure Plus, 3 vegetarian capsules. Current labels entered April 2025 and November 2011. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own