Comparison
L-Cysteine Powder and 100% Pure L-Cysteine
L-Cysteine Powder (Source Naturals) lists 1 distinct ingredients and 100% Pure L-Cysteine (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.
| Ingredient | L-Cysteine Powder | 100% Pure L-Cysteine |
|---|---|---|
| Cysteine | 900 mg | 1,000 mg |
Amounts are per serving as DSLD gives them: L-Cysteine Powder, 1.2 g; 100% Pure L-Cysteine, 1 g. Current labels entered November 2022 and October 2015. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- L-Cysteine PowderSource Naturals: every row against all products listing it
- 100% Pure L-CysteineNutraBio: every row against all products listing it