Comparison

Huperzine A 200 mg and Maximum-Strength Huperzine A 200 mcg

Huperzine A 200 mg (Source Naturals) lists 1 distinct ingredients and Maximum-Strength Huperzine A 200 mcg (Swanson Premium Brand) 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 1.00: the same ingredients, at the amounts in the table below.

Amount per serving (and % of the Daily Value)
IngredientHuperzine A 200 mgMaximum-Strength Huperzine A 200 mcg
Huperzine200 mcg200 mcg

Amounts are per serving as DSLD gives them: Huperzine A 200 mg, 1 tablet; Maximum-Strength Huperzine A 200 mcg, 1 capsule. Current labels entered December 2017 and February 2019. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own