Comparison

Probiotic MD1550 50+ Billion CFUs and Pb 15/35

Probiotic MD1550 50+ Billion CFUs (LEAN Nutraceuticals) lists 18 distinct ingredients and Pb 15/35 (Bairn Biologics) 15 (rows of one ingredient counted once); 14 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 0.71.

Amount per serving (and % of the Daily Value)
IngredientProbiotic MD1550 50+ Billion CFUsPb 15/35
Lactobacillus acidophilusnot disclosednot disclosed
Lactobacillus rhamnosusnot disclosednot disclosed
Bifidobacterium animalis lactisnot disclosednot disclosed
Lactobacillus plantarumnot disclosednot disclosed
Bifidobacterium bifidumnot disclosednot disclosed
Bifidobacterium longumnot disclosednot disclosed
Lactobacillus caseinot disclosednot disclosed
Lactobacillus salivariusnot disclosednot disclosed
Lactobacillus paracaseinot disclosednot disclosed
Bifidobacterium brevenot disclosednot disclosed
Bifidobacterium infantisnot disclosednot disclosed
Lactobacillus delbrueckii bulgaricusnot disclosednot disclosed
Lactobacillus gasserinot disclosednot disclosed
Lactobacillus brevisnot disclosednot disclosed
Glutaminenot disclosed
Pectinnot disclosed
Inulinnot disclosed
Lactococcus lactisnot disclosed
Lactobacillus delbrueckii lactisnot disclosed

Amounts are per serving as DSLD gives them: Probiotic MD1550 50+ Billion CFUs, 1 capsule; Pb 15/35, 1 capsule. Current labels entered July 2020 and July 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own