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GUT & DIGESTIVE

Psyllium Husk Powder

Fiber · cholesterol · regularity

VERY STRONG EVIDENCEVEGANREAD THE RESEARCH
Written to our editorial standards · reviewed against published research· Updated 2 Jun 2026
Last reviewed: May 30, 2026
QUICK ANSWER

Psyllium Husk Powder: Fiber · cholesterol · regularity. Soluble fiber with strong evidence for cholesterol reduction, blood sugar moderation, and bowel regularity. Standard dose 5 g (1 tbsp), taken in the morning, about $10/month. Evidence rating: very strong evidence.

What is Psyllium Husk Powder?

Psyllium husk is a soluble dietary fiber derived from the seeds of Plantago ovata. When mixed with water, it forms a gel-like mass that slows digestion, traps cholesterol-carrying bile acids for elimination, and adds bulk to stool. Decades of clinical research support psyllium for healthy LDL cholesterol reduction, post-meal blood sugar moderation, and supporting both constipation and loose stools (it normalizes either direction). It is the only dietary fiber with an FDA-approved heart health claim. Standard dose is 5-15 g per day, mixed with at least 8 oz of water and consumed immediately. Start low to allow gut adaptation.

WHY IT MATTERS

Soluble fiber with strong evidence for cholesterol reduction, blood sugar moderation, and bowel regularity.

Natural food sources

Where possible, get Psyllium Husk Powder from whole foods first. Common dietary sources include:

Psyllium huskWhole grainsLegumesOatsFlaxseed

Where to buy

NOW Foods Psyllium Husk Powder
RECOMMENDED
NOW Foods, Psyllium Husk Powder
5 g (1 tbsp) · Morning · ~$10/month

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Common questions

What is Psyllium Husk Powder?
Psyllium husk is a soluble dietary fiber derived from the seeds of Plantago ovata. When mixed with water, it forms a gel-like mass that slows digestion, traps cholesterol-carrying bile acids for elimination, and adds bulk to stool. Decades of clinical research support psyllium for healthy LDL cholesterol reduction, post-meal blood sugar moderation, and supporting both constipation and loose stools (it normalizes either direction). It is the only dietary fiber with an FDA-approved heart health claim. Standard dose is 5-15 g per day, mixed with at least 8 oz of water and consumed immediately. Start low to allow gut adaptation.
What is Psyllium Husk Powder used for?
Fiber · cholesterol · regularity. Soluble fiber with strong evidence for cholesterol reduction, blood sugar moderation, and bowel regularity.
What is the standard dose of Psyllium Husk Powder?
5 g (1 tbsp), typically taken in the morning. Approximate cost is $10 per month.
How strong is the evidence for Psyllium Husk Powder?
Very strong evidence for its primary uses. See the full study list on the research page.

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