Comparison

Organic Pine Bark Extract with OPCs and Pine Bark Extract

Organic Pine Bark Extract with OPCs (Dr. Mercola) lists 2 distinct ingredients and Pine Bark Extract (PureBulk.com) 2 (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 1.00: the same ingredients, at the amounts in the table below.

Amount per serving (and % of the Daily Value)
IngredientOrganic Pine Bark Extract with OPCsPine Bark Extract
Pine100 mg250 mg
Proanthocyanidins60 mg238 mg

Amounts are per serving as DSLD gives them: Organic Pine Bark Extract with OPCs, 1 tablet; Pine Bark Extract, 250 mg. Current labels entered February 2025 and June 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own