NutriStack
Symptom·Digestive·Reviewed May 30, 2026
Supplements for Constipation.
When constipation 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.
- 01Magnesium CitrateStrong88% match
Magnesium citrate pulls water into the bowel and is a classic supplement option for constipation.
SuggestedMagnesium citrate - 02Psyllium HuskStrong82% match
Psyllium adds bulk and water retention to stool, improving consistency and regularity.
SuggestedPsyllium husk powder - 03ProbioticsModerate57% match
Selected probiotic strains can improve stool frequency and consistency in some people.
SuggestedMulti-strain probiotic - 04Vitamin CLimited45% match
Higher-dose vitamin C can loosen stools because of osmotic effects.
SuggestedAscorbic acid - 05Magnesium GlycinateLimited39% match
Glycinate is less laxating than citrate but can still help when overall magnesium intake is low.
SuggestedMagnesium bisglycinate
Build your stack
Every match traces to a full profile.
These rankings come from the same library that powers the NutriStack app. Open any supplement for full dosing, forms, interactions, and citations.