Comparison

Yogurt Starter Formula 2 and Probiotic Quattro

Yogurt Starter Formula 2 (Custom Probiotics) lists 5 distinct ingredients and Probiotic Quattro (VitaCeutical Labs) 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 0.71.

Amount per serving (and % of the Daily Value)
IngredientYogurt Starter Formula 2Probiotic Quattro
Lactobacillus acidophilusnot disclosednot disclosed
Bifidobacterium animalis lactisnot disclosednot disclosed
Streptococcus Thermophilusnot disclosednot disclosed
Lactobacillus delbrueckii bulgaricusnot disclosednot disclosed
Lactobacillus delbrueckii lactisnot disclosed

Amounts are per serving as DSLD gives them: Yogurt Starter Formula 2, 0.8 g; Probiotic Quattro, 1 capsule. Current labels entered September 2018 and February 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own