Comparison

Milk Thistle 80% Silybin 30% and Milk Thistle

Milk Thistle 80% Silybin 30% (PureBulk.com) lists 2 distinct ingredients and Milk Thistle (Life Extension) 3 (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 0.78.

Amount per serving (and % of the Daily Value)
IngredientMilk Thistle 80% Silybin 30%Milk Thistle
Silymarin212 mg600 mg
Silybin78 mg285 mg
Milk Thistle750 mg

Amounts are per serving as DSLD gives them: Milk Thistle 80% Silybin 30%, 250 mg; Milk Thistle, 1 vegetarian capsule. Current labels entered June 2013 and August 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own