PlainVitamins

Comparison

PQQ Plus and VitaPQQ Pyrroloquinoline Quinone

PQQ Plus (Douglas Laboratories) lists 2 distinct ingredients and VitaPQQ Pyrroloquinoline Quinone (Quality Of Life Labs) 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 0.57.

Amount per serving (and % of the Daily Value)
IngredientPQQ PlusVitaPQQ Pyrroloquinoline Quinone
Pyrroloquinoline Quinone20 mg20 mg
Alpha-GPC50 mg

Amounts are per serving as DSLD gives them: PQQ Plus, 1 vegetarian capsule; VitaPQQ Pyrroloquinoline Quinone, 1 capsule. Current labels entered August 2020 and October 2011. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own