Comparison

Pro-Intensive Extra and Super Pro-Bio

Pro-Intensive Extra (Higher Nature) lists 6 distinct ingredients and Super Pro-Bio (Kirkman) 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 0.86.

Amount per serving (and % of the Daily Value)
IngredientPro-Intensive ExtraSuper Pro-Bio
Lactobacillus acidophilusnot disclosed15 billion CFU
Bifidobacterium animalis lactisnot disclosed21 billion CFU
Lactobacillus plantarumnot disclosed7 billion CFU
Bifidobacterium bifidumnot disclosed15 billion CFU
Lactobacillus caseinot disclosed1.5 billion CFU
Streptococcus Thermophilusnot disclosed1.1 billion CFU
Lactobacillus rhamnosus15 billion CFU

Amounts are per serving as DSLD gives them: Pro-Intensive Extra, 1 capsule; Super Pro-Bio, 1 capsule. Current labels entered April 2021 and September 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own