Psyllium Husk
Psyllium husk is a soluble dietary fiber from Plantago ovata that effectively reduces LDL cholesterol, normalizes blood glucose levels, relieves constipation, and enhances gut microbiome diversity. It is FDA-approved for cardiovascular disease risk reduction.
Evidence last reviewed: 20 Apr 2026
Psyllium husk has strong evidence supporting its role in relieving constipation and lowering LDL cholesterol, with moderate support for pediatric IBS symptom relief. While the evidence is robust, individual responses may vary, and more research on long-term effects is needed.
Constipation reliefAdults with functional constipation · RCTHigh
Psyllium husk significantly relieved constipation symptoms and modulated gut microbiota.
Gut microbiome diversityAdults with functional constipation · RCTHigh
Psyllium husk improved gut microbiome diversity in adults with functional constipation.
LDL cholesterol reductionMen and women with hypercholesterolemia · Meta-analysisHigh
Psyllium intake adjunctive to diet therapy significantly lowered LDL cholesterol levels.
Pediatric IBS symptom reliefChildren with irritable bowel syndrome · RCTModerate
Psyllium husk was effective in relieving symptoms of IBS in pediatric patients.
Forms & usage▾
Take 5-10 grams of psyllium husk mixed with water once daily, preferably before meals.