Comparison

Probiotic 70 Billion CFU and Ultimate Probiotic Critical Care 55 Billion

Probiotic 70 Billion CFU (Nature's Base) lists 11 distinct ingredients and Ultimate Probiotic Critical Care 55 Billion (Natural Factors) 9 (rows of one ingredient counted once); 8 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 0.63.

Amount per serving (and % of the Daily Value)
IngredientProbiotic 70 Billion CFUUltimate Probiotic Critical Care 55 Billion
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 paracaseinot disclosednot disclosed
Bifidobacterium infantisnot disclosednot disclosed
Bacillus Coagulansnot disclosed
Fructo-Oligosaccharides100 mg
Bifidobacterium brevenot disclosed
Lactobacillus fermentumnot disclosed

Amounts are per serving as DSLD gives them: Probiotic 70 Billion CFU, 1 veggie capsule; Ultimate Probiotic Critical Care 55 Billion, 1 vegetarian capsule. Current labels entered October 2021 and May 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own