Comparison

Undecylenic Acid and Betaine Hydrochloride

Undecylenic Acid (Swanson Premium Brand) lists 2 distinct ingredients and Betaine Hydrochloride (BioAnue) 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 0.72.

Amount per serving (and % of the Daily Value)
IngredientUndecylenic AcidBetaine Hydrochloride
Betaine Hydrochloride100 mg550 mg
Calcium20 mg (2%)

Amounts are per serving as DSLD gives them: Undecylenic Acid, 1 veggie capsule; Betaine Hydrochloride, 1 capsule. Current labels entered June 2018 and October 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own