Comparison

Beta-Sitosterol Plant Sterols and Proto-Sitosterol Plant Sterol Esters

Beta-Sitosterol Plant Sterols (NOW) lists 4 distinct ingredients and Proto-Sitosterol Plant Sterol Esters (Protocol For Life Balance) 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 0.85.

Amount per serving (and % of the Daily Value)
IngredientBeta-Sitosterol Plant SterolsProto-Sitosterol Plant Sterol Esters
Beta Sitosterol400 mg400 mg
Stigmasterolnot disclosednot disclosed
Plant Sterols1,000 mg1,000 mg
Fish Oil0.12 g

Amounts are per serving as DSLD gives them: Beta-Sitosterol Plant Sterols, 2 softgels; Proto-Sitosterol Plant Sterol Esters, 2 softgels. Current labels entered May 2016 and November 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own