Symptom & condition
Constipation
Slow transit and infrequent bowel movements.
Strains with relevant research Ranked by how many of a strain's linked papers name this symptom. A tag means the paper's text mentions it — research coverage, never evidence of benefit. How we classify this →
top 24 of 97 by paper countRanked by how many of each strain's linked papers explicitly mention Constipation. This is research coverage from the corpus — not evidence that a strain treats Constipation.
Bifidobacterium longum
Bifidobacterium longum is a well-characterized commensal species found throughout the human gut, with a particularly studied role in early-life microbiome establishment.
Lactobacillus acidophilus
Lactobacillus acidophilus is one of the most studied lactic acid bacteria, with research dating back decades documenting its ability to survive the harsh conditions of the gastrointestinal tract, including acid and bile …
Lactobacillus casei
Lactobacillus casei (species-level entry, undesignated strain) is a broadly studied lactic acid bacterium encountered across fermented dairy and non-dairy foods.
Lactiplantibacillus plantarum
Lactiplantibacillus plantarum (formerly Lactobacillus plantarum) is a well-characterized lactic acid bacterium found across fermented foods, the human gut, and diverse environmental niches.
Lacticaseibacillus rhamnosus
Lacticaseibacillus rhamnosus, most widely studied as the GG strain, has an extensive research record, though the evidence base in this index is predominantly in vitro and animal-model work.
Limosilactobacillus reuteri DSM 17938
Limosilactobacillus reuteri DSM 17938 (formerly Lactobacillus reuteri DSM 17938) has been studied in multiple randomized controlled trials and at least one published meta-analysis examining infantile colic, episodes of p…
Bifidobacterium infantis
Bifidobacterium infantis is an anaerobic bacterium native to the infant gut microbiota.
Bacillus coagulans
Bacillus coagulans is a spore-forming bacterium studied as a probiotic candidate, in part because its spores exhibit heat and acid stability, a property studied in relation to survival through food processing and gastric…
Akkermansia muciniphila
Akkermansia muciniphila is a gut bacterium that naturally inhabits the mucus layer lining the intestine and has attracted substantial scientific interest as a potential next-generation probiotic.
Lacticaseibacillus paracasei
Lacticaseibacillus paracasei (the species, without a designated strain identifier) is a broadly distributed lactic acid bacterium found in fermented foods and the human gut.
Lactobacillus casei Shirota
Lactobacillus casei Shirota is one of the most extensively studied probiotic strains, with a research history spanning several decades.
Lacticaseibacillus rhamnosus GG
Lacticaseibacillus rhamnosus GG (LGG) is one of the most extensively studied probiotic strains globally, though the papers linked to this strain entry focus primarily on encapsulation technology and formulation stability…
Lacticaseibacillus casei
Lacticaseibacillus casei (species-level entry, no specific strain designation) is a broad species grouping that includes well-studied commercial strains such as L.
Clostridium butyricum
Clostridium butyricum is a spore-forming anaerobic bacterium capable of producing butyric acid through fermentation.
Bifidobacterium breve
Bifidobacterium breve is a species commonly found in the human gut, particularly in breastfed infants, where it plays a role in fermenting complex carbohydrates including human milk oligosaccharides.
Bifidobacterium lactis HN019
Bifidobacterium animalis subsp. lactis HN019 is among the more extensively studied probiotic strains, with human clinical trials exploring its potential across several areas.
Bifidobacterium bifidum
Bifidobacterium bifidum is a species naturally present in the human gut, particularly abundant in breastfed infants, where it plays a role in fermenting complex carbohydrates, including human milk oligosaccharides and ce…
Bifidobacterium animalis BB-12
Bifidobacterium animalis BB-12 is one of the most extensively studied Bifidobacterium strains, with a research record spanning food science, gut physiology, and clinical settings.
Bifidobacterium longum BB536
Bifidobacterium longum strain BB536 is a gram-positive anaerobic bacterium native to the human gastrointestinal tract.
Bifidobacterium lactis DN-173 010
Bifidobacterium animalis subsp. lactis DN-173 010 (also marketed as Bifidus Regularis) is among the most studied probiotic strains in the context of digestive function, with multiple randomized controlled trials in human…
Escherichia coli Nissle 1917
Escherichia coli Nissle 1917 (EcN) is a non-pathogenic E.
Faecalibacterium prausnitzii
Faecalibacterium prausnitzii is a butyrate-producing commensal bacterium that is among the most abundant in a healthy human gut and has attracted significant research interest as a potential next-generation probiotic.
Bifidobacterium infantis 35624
Bifidobacterium infantis 35624 (also marketed as Bifantis) is one of the more thoroughly studied probiotic strains in the Bifidobacterium genus.
Lactobacillus helveticus
Lactobacillus helveticus is a lactic acid bacterium widely used in dairy fermentation and probiotic applications.