Overview
Soluble fiber with strong evidence for cholesterol reduction and bowel regularity.
- Plantago ovata seed husk
- Psyllium husk powder
Forms & variants of Psyllium Husk
Different chemical forms of Psyllium Husk behave differently. Browse each form's mechanism, bioavailability, and best-use context.
Mechanism of action
Forms viscous gel; binds bile acids increasing cholesterol catabolism; bulks stool.
- · Bile acid binding
- · Stool bulking
Effects on the body
Organ system effects
Lowers LDL ~7% at 10 g/d.
Improves constipation and IBS.
Evidence-based benefits
Reduces LDL cholesterol
Strong evidenceImproves IBS & chronic constipation
Strong evidencePotential side effects
- · Bloating
- · Gas
- · Choking if dry-swallowed
- · Bowel obstruction if inadequate fluid
Drug interactions
Supplement interactions
- Omega-3Anti-inflammatory cardiovascular synergy.
- CoQ10Supports mitochondrial energetics in cardiac tissue.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
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Third-party testedIndependently verified Psyllium Husk — look for USP, NSF, or Informed Sport seals on the label for purity and dose accuracy.Psyllium Husk third party tested NSF
CapsulesPre-measured Psyllium Husk capsules — easiest for travel and consistent daily dosing without scoops or scales.Psyllium Husk capsules
PowderBulk unflavored Psyllium Husk powder — best cost-per-gram and flexible dosing for stacking or mixing into drinks.Psyllium Husk powder unflavored
Best sellersMost-purchased Psyllium Husk products on Amazon — a quick way to see what's reviewed widely before you commit.Psyllium Husk best sellerScientific evidence9Show studiesHide studies
Psyllium for constipation and IBS
Moayyedi P, et al.
Meta-analysis of soluble fiber in IBS.
Psyllium improves IBS symptoms; insoluble fiber may worsen.
PubMed: Psyllium Husk — Reduces LDL cholesterol
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PubMed: Psyllium Husk — Improves IBS & chronic constipation
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PubMed: Psyllium Husk — randomized controlled trial
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PubMed: Psyllium Husk — meta-analysis
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PubMed: Psyllium Husk — pharmacokinetics
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PubMed: Psyllium Husk — safety adverse events
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PubMed: Psyllium Husk — dose response
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Google Scholar: Psyllium Husk — clinical evidence
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Cross-database citation index for Psyllium Husk as it relates to "clinical evidence".
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