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Psyllium Husk

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Psyllium Husk. Soluble fiber with strong evidence for cholesterol reduction and bowel regularity.

How it works. Forms viscous gel; binds bile acids increasing cholesterol catabolism; bulks stool.

What the research supports. 2 graded claims. Strongest: Reduces LDL cholesterol (strong).

How much to take. Typical dose: 5–10 g × 1–3/d with plenty of water.

Side effects and interactions. 1 medication interaction listed. Serious: Bowel obstruction if inadequate fluid.

Stacking. Pairs well with Omega-3, CoQ10.

Forms. 1 forms. Pick one to open its profile.

Key studies. 9 studies cited. The strongest are listed with links to PubMed.

Community. Experiences from people who have tried Psyllium Husk. Anecdotes are not medical advice.

Psyllium Husk. Soluble fiber with strong evidence for cholesterol reduction and bowel regularity.

No single structure

What it is

Soluble fiber with strong evidence for cholesterol reduction and bowel regularity.

Also called

Plantago ovataMetamucil

Food sources

Plantago ovata seed husk

Goals

Gut HealthCardiovascular HealthBlood Sugar Management

How it works

Forms viscous gel; binds bile acids increasing cholesterol catabolism; bulks stool.

Pathways

  • Bile acid binding
  • Stool bulking

Effects

  • ↓LDL cholesterol decreases
  • ↓Postprandial glucose decreases

What the research supports

Reduces LDL cholesterolstrong
Improves IBS & chronic constipationstrong

Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.

Typical dose
5–10 g × 1–3/d with plenty of water
TimingConsistent daily timing recommended; split larger doses if GI tolerance is a concern.
With foodWith a meal containing fat for fat-soluble compounds; otherwise either.
Best formMost evidence is based on the psyllium husk powder form.
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Side effects & interactions

Common side effects

  • Bloating
  • Gas

Serious

  • Bowel obstruction if inadequate fluid

Medication interactions

Most oral medicationsmoderate

Reduces absorption — separate 2 h.

Check any supplement–medication combination with your pharmacist before starting.

Combines with

Pairs well

  • Omega-3Anti-inflammatory cardiovascular synergy.
  • CoQ10Supports mitochondrial energetics in cardiac tissue.

Key studies

9 studies cited in total.

Psyllium for constipation and IBS ↗
Meta-analysis · Am J Gastroenterol · 2014

Psyllium improves IBS symptoms; insoluble fiber may worsen.

PubMed: Psyllium Husk — Reduces LDL cholesterol ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Psyllium Husk and "Reduces LDL cholesterol". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Psyllium Husk — Improves IBS & chronic constipation ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Psyllium Husk and "Improves IBS & chronic constipation". Filter by RCT, meta-analysis, or year on the results page.

Discussion

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