Psyllium husk
A soluble fiber that absorbs liquid in the intestine. It is used as a bulk-forming laxative and is also studied for metabolic effects.
Also known as Plantago ovata, ispaghula.
What to know
An established fiber laxative; lasting weight-loss benefit is less certain.
Editorial summary reviewed . Literature and label checks below have separate dates.
What the evidence says
A 52-week randomized trial in 159 adults compared a proprietary psyllium product, another fiber and rice-flour control. Psyllium reduced weight versus control at 3 and 6 months, but the weight difference was not statistically significant at 12 months. This product-specific trial does not establish a lasting effect for every psyllium supplement.
Marketed as: Promoted as a natural appetite and blood-sugar aid. A proposed mechanism or a finding about an ingredient does not establish benefit for every finished product.
What to watch for
Take with the liquid required on the label. Check with a clinician if you have swallowing difficulty or intestinal blockage, and ask a pharmacist about spacing it from other medicines.
Literature search counts
Counts · Oct 3, 2026 UTC- RCT-tagged publications
- 209 (RCT-tagged publications)
- Systematic-review publications
- 142 (Systematic-review publications)
- All search matches
- 3,159 (All search matches)
These are search matches, not a count of independent trials or proof of benefit. Publication types overlap. Results may include animal research, articles mentioning several ingredients, or retracted work. Counts do not assess study quality and may change after retrieval.
NIH product-label records
A sample of NIH Dietary Supplement Label Database records. Listing is not FDA approval, proof of effectiveness or confirmation a product is still sold.
- Psyllium Husks 610 mgOff marketSwansonCapsule
- Psyllium (Plantago psyllium)Off marketHawaii PharmLiquid
- PsylliumHerbal TerraLiquid
Psyllium husk: common questions
Does Psyllium husk work for weight loss?
A 52-week randomized trial in 159 adults compared a proprietary psyllium product, another fiber and rice-flour control. Psyllium reduced weight versus control at 3 and 6 months, but the weight difference was not statistically significant at 12 months. This product-specific trial does not establish a lasting effect for every psyllium supplement. It is not a substitute for an FDA-approved GLP-1 medication.
Is Psyllium husk a GLP-1 or "natural Ozempic"?
No. Psyllium husk is a fiber supplement marketed as "natural GLP-1" support, but it is not a GLP-1 receptor agonist and is not FDA-approved to treat obesity or type 2 diabetes. It does not work the way semaglutide or tirzepatide do.
Is Psyllium husk safe?
Take with the liquid required on the label. Check with a clinician if you have swallowing difficulty or intestinal blockage, and ask a pharmacist about spacing it from other medicines. Dietary supplements are not reviewed by the FDA for safety and quality the way approved drugs are, so talk with a licensed clinician before starting, especially alongside a prescription medication.