Symptom·Digestive·Reviewed June 4, 2026
Supplements for Irregular bowel habits.
When irregular bowel habits is the complaint, these are the supplements most often associated with it in the NutriStack library, ranked by how directly each one targets it and by the strength of the evidence.
Ranked by relevance, top first.
Relevance reflects how directly each supplement targets this symptom in the NutriStack map. Evidence is the supplement’s own rating. Open any name for the full profile.
- 0170% match
PHGG can normalize stool form in both loose and hard stool patterns.
SuggestedSunfiber-type powder - 02Bifidobacterium infantis 35624Moderate55% match
May improve composite bowel dysfunction scores in IBS.
SuggestedStrain-verified capsule - 03Bifidobacterium longum BB536Limited52% match
Microbiome and metabolome changes may support more regular bowel patterns.
SuggestedStrain-verified BB536 - 04Galactooligosaccharides (GOS)Moderate52% match
GOS can shift microbiota and stool characteristics toward regularity.
SuggestedPremeasured sachet - 0532% match
May alter microbiota and stool patterns in some users.
SuggestedNCFM capsule
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These rankings come from the same library that powers the NutriStack app. Open any supplement for full dosing, forms, interactions, and citations.