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Psyllium

Also called: Psyllium husk, ispaghula

A soluble fiber from the husk of plantago seeds. It forms a gel in water that helps keep bowels regular and supports cholesterol and blood sugar.

Supplements can interact with medications and aren't right for everyone, especially during pregnancy or breastfeeding, or with a chronic condition. Ask your provider before you start.

Studied for

  • Constipation
  • Loose stools (it adds bulk)
  • Lowering LDL cholesterol
  • Blood sugar after meals
  • IBS (soluble fiber helps some people)

Found naturally in

  • Psyllium seed husks (Plantago ovata)
  • Other soluble fiber: oats
  • Beans and lentils
  • Chia and ground flax
What variations of psyllium exist?Our top pick, what to skip, and how to read the label

Label red flags

  • No third-party testing for lead, which has been found in some psyllium products
  • Added sugar, artificial sweeteners, or dyes

Check with a provider

  • Taking any medicine, including thyroid medicine. Separate psyllium from medicines and other supplements by at least 2 hours.
  • Trouble swallowing, a narrowed esophagus or bowel, or a history of bowel blockage
  • Diabetes, or taking medicines that lower blood sugar
  • Always take it with plenty of water. Gas and bloating are common at first.

Supplements that contain it

One product in Dr. Lesher's dispensary lists psyllium on the label.

Dr. Lesher, ND

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Dr. Lesher is a Naturopathic Doctor who focuses on autoimmune and chronic conditions in women. Since 2020, she's helped hundreds of patients stop managing symptoms and start healing.

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