Comparison

MaxBiotic 4B and Probiotic Complex 4

MaxBiotic 4B (Karuna) lists 6 distinct ingredients and Probiotic Complex 4 (GNC Probiotics) 7 (rows of one ingredient counted once); 6 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 0.93.

Amount per serving (and % of the Daily Value)
IngredientMaxBiotic 4BProbiotic Complex 4
Lactobacillus acidophilusnot disclosednot disclosed
Lactobacillus rhamnosusnot disclosednot disclosed
Lactobacillus plantarumnot disclosednot disclosed
Bifidobacterium bifidumnot disclosednot disclosed
Streptococcus Thermophilusnot disclosednot disclosed
Lactobacillus helveticusnot disclosednot disclosed
Sodium35 mg

Amounts are per serving as DSLD gives them: MaxBiotic 4B, 1 tablet; Probiotic Complex 4, 1 tablet. Current labels entered July 2014 and October 2016. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own