Comparison

L-Cysteine 500 mg and L-Cysteine 500 mg

L-Cysteine 500 mg (LuckyVitamin) lists 3 distinct ingredients and L-Cysteine 500 mg (NOW) 3 (rows of one ingredient counted once); 3 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-Cysteine 500 mgL-Cysteine 500 mg
Vitamin C60 mg (67%)60 mg (67%)
Vitamin B610 mg (588%)10 mg (588%)
Cysteine500 mg500 mg

Amounts are per serving as DSLD gives them: L-Cysteine 500 mg, 1 tablet; L-Cysteine 500 mg, 1 tablet. Current labels entered March 2023 and December 2019. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own