Comparison

Probiotic and 100 Billion Probiotic

Probiotic (OptiYouRX) lists 10 distinct ingredients and 100 Billion Probiotic (CHK Nutrition) 14 (rows of one ingredient counted once); 9 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 0.56.

Amount per serving (and % of the Daily Value)
IngredientProbiotic100 Billion Probiotic
Lactobacillus acidophilusnot disclosednot disclosed
Lactobacillus rhamnosusnot disclosednot disclosed
Lactobacillus plantarumnot disclosednot disclosed
Bifidobacterium bifidumnot disclosednot disclosed
Lactobacillus caseinot disclosednot disclosed
Fructo-Oligosaccharides30 mg25 mg
Lactobacillus salivariusnot disclosednot disclosed
Bifidobacterium infantisnot disclosednot disclosed
Arabinogalactan25 mg25 mg
Bifidobacterium animalis lactisnot disclosed
Bifidobacterium longumnot disclosed
Bifidobacterium brevenot disclosed
Lactobacillus delbrueckii bulgaricusnot disclosed
Lactococcus lactisnot disclosed
Chicory fiber10 mg

Amounts are per serving as DSLD gives them: Probiotic, 1 capsule; 100 Billion Probiotic, 1 vegetarian capsule. Current labels entered April 2021 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