Comparison

L-Leucine 500 mg and 100% Pure L- Leucine 1600 Milligrams

L-Leucine 500 mg (Source Naturals) lists 1 distinct ingredients and 100% Pure L- Leucine 1600 Milligrams (NutraBio) 1 (rows of one ingredient counted once); 1 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-Leucine 500 mg100% Pure L- Leucine 1600 Milligrams
Leucine1.5 g1.6 g

Amounts are per serving as DSLD gives them: L-Leucine 500 mg, 3 capsules; 100% Pure L- Leucine 1600 Milligrams, 4 v-caps. Current labels entered August 2023 and September 2015. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own