| Antibiotic-associated diarrhea10 | Bacillus clausii, coagulans | Align | Garden of Life Raw Probiotics Ultimate Care | Broad-spectrum combination products are likely to have the most benefit; consider 10 billion CFUs per day of each organism |
| Bifidobacterium animalis subsp lactis, bifidum, breve, longum, longum subsp infantis | Bio-K+ | Now Foods Probiotic-10 | |
| Clostridium butyricum | Culturelle | Renew Life Ultimate Flora | |
| Enterococcus faecium | DanActive | Sedona Labs iFlora Multi-Probiotics | |
| Lactobacillus acidophilus, casei, casei subsp immunitas, delbrueckii subsp bulgaricus, paracasei, plantarum, reuteri, rhamnosus, rhamnosus GG, sporogenes | Florastor | | |
| Lactococcus lactis subsp diacetylactis | HOWARU Restore | | |
| Leuconostoc cremoris | MIYAIRI 588† | | |
| Saccharomyces boulardii, florentinus | VSL#3 | | |
| Streptococcus thermophilus | | | |
| Clostridium difficile–associated diarrhea13,14 | Bifidobacterium animalis subsp lactis, breve, longum, longum subsp infantis | Align | Garden of Life Raw Probiotics Ultimate Care | — |
| Clostridium butyricum | Culturelle | Now Foods Probiotic-10 | |
| Lactobacillus acidophilus, casei, delbrueckii subsp bulgaricus, paracasei, plantarum, rhamnosus GG | DanActive | Renew Life Ultimate Flora | |
| Saccharomyces boulardii | Florastor | Sedona Labs iFlora Multi-Probiotics | |
| Streptococcus thermophilus | MIYAIRI 588† | | |
| | VSL#3 | | |
| Helicobacter pylori15,16 | Bifidobacterium animalis, breve | Bacid | Garden of Life Raw Probiotics Ultimate Care | Adjunct to antibiotics |
| Lactobacillus acidophilus, casei, delbrueckii subsp bulgaricus, gasseri, johnsonii, reuteri, rhamnosus, rhamnosus GG | Culturelle | Now Foods Probiotic-10 | |
| Propionibacterium freudenreichii subsp shermanii (JS) | Lactinex | Renew Life Ultimate Flora | |
| Streptococcus thermophilus | | Sedona Labs iFlora Multi-Probiotics | |
| Hepatic encephalopathy 17,18 | Bifidobacterium breve, longum, longum subsp infantis | Align | Garden of Life Raw Probiotics Ultimate Care | — |
| Escherichia coli (Nissle) | Mutaflor | Now Foods Probiotic-10 | |
| Lactobacillus acidophilus, casei, delbrueckii subsp bulgaricus, paracasei, plantarum | VSL#3 | Renew Life Ultimate Flora | |
| Leuconostoc mesenteroides | | Sedona Labs iFlora Multi-Probiotics | |
| Pediococcus pentosaceus | | | |
| Streptococcus thermophilus | | | |
| Ulcerative colitis19,20 | Bifidobacterium animalis subsp lactis, breve, longum, longum subsp infantis | Activia | Garden of Life Raw Probiotics Ultimate Care | VSL#3 and similar high-dose multispecies products with several Bifidobacterium species are preferred |
| Escherichia coli (Nissle) | Align | Now Foods Probiotic-10 | |
| Lactobacillus acidophilus, delbrueckii subsp bulgaricus, johnsonii, paracasei, plantarum, rhamnosus, rhamnosus GG | Bacid | Renew Life Ultimate Flora | |
| Streptococcus thermophilus | Culturelle | Sedona Labs iFlora Multi-Probiotics | |
| | Mutaflor | | |
| | VSL#3 | | |
| Irritable bowel syndrome21–23 | Bifidobacterium animalis subsp lactis, bifidum, breve, longum | Activia | Garden of Life Raw Probiotics Ultimate Care | — |
| Enterococcus faecalis | Align | Now Foods Probiotic-10 | |
| Escherichia coli (Nissle) | Bacid | Renew Life Ultimate Flora | |
| Lactobacillus acidophilus, delbrueckii subsp bulgaricus, lactis, paracasei, plantarum, rhamnosus, rhamnosus GG | Culturelle | Sedona Labs iFlora Multi-Probiotics | |
| Propionibacterium freudenreichii subsp shermanii | USANA | | |
| Streptococcus thermophilus | VSL#3 | | |
| | YoPlus | | |
| Colic24,25 | Lactobacillus reuteri ATCC 55730/DSM 17938 | — | Jarrow Formulas Baby’s Jarro-Dophilus plus FOS | — |
| | | Nature’s Way Primadophilus Reuteri | |
| Necrotizing enterocolitis26,27 | Bacillus cereus, subtilis | Bacid | Florastor Kids | Products containing a variety of Bifidobacterium species are most beneficial |
| Bifidobacterium adolescentis, animalis subsp lactis, bifidum, breve, longum, longum subsp infantis | Culturelle | Nature’s Answer Probiotics for Kids | Dose approximately 3 billion CFUs per day of each organism for the first seven days of life; adult powdered products may be given at one-fourth dose in breast milk or formula12 |
| Enterococcus faecalis, faecium | Florajen | | |
| Lactobacillus acidophilus, casei, delbrueckii subsp bulgaricus, plantarum, reuteri, rhamnosus, rhamnosus GG, sporogenes | Florastor | | |
| Saccharomyces boulardii | | | |
| Streptococcus thermophilus | | | |
