Comparison

Primadophilus Bifidus and Primadophilus Bifidus Once Daily

Primadophilus Bifidus (Nature's Way) lists 4 distinct ingredients and Primadophilus Bifidus Once Daily (Nature's Way) 4 (rows of one ingredient counted once); 4 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)
IngredientPrimadophilus BifidusPrimadophilus Bifidus Once Daily
Lactobacillus acidophilusnot disclosednot disclosed
Lactobacillus rhamnosusnot disclosednot disclosed
Bifidobacterium longumnot disclosednot disclosed
Bifidobacterium brevenot disclosednot disclosed

Amounts are per serving as DSLD gives them: Primadophilus Bifidus, 1 capsule; Primadophilus Bifidus Once Daily, 1 capsule. Current labels entered June 2019 and July 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own