Comparison

Pycnogenol 100 mg and Pycnogenol 50 mg

Pycnogenol 100 mg (NOW) lists 2 distinct ingredients and Pycnogenol 50 mg (GNC Preventive Nutrition) 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 0.56.

Amount per serving (and % of the Daily Value)
IngredientPycnogenol 100 mgPycnogenol 50 mg
Maritime Pine100 mg50 mg
Indian Gooseberry240 mg

Amounts are per serving as DSLD gives them: Pycnogenol 100 mg, 1 veg capsule; Pycnogenol 50 mg, 1 capsule. Current labels entered March 2021 and November 2011. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own