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Psyllium Husk

Other

Also known as: Ispaghula, Plantago ovata

Psyllium husk is a soluble, gel-forming fiber from the seeds of Plantago ovata. It is one of the most evidence-backed supplements for constipation, cholesterol reduction, and glycemic control, and supports the gut microbiome as a fermentable substrate.

Best Timing

Take 30 minutes before meals for glucose and appetite goals; any time (with plenty of water) for regularity. Always follow with at least 250 mL of water.

Absorption

Not systemically absorbed — acts locally in the GI tract. Must be taken with adequate water to gel properly and avoid obstruction. Separate from medications and mineral supplements by 2+ hours.

Health Goals
🦠Gut❤️Heart🏃Weight
Who Should Take This
Elderly (60+)Keto/Low-CarbHigh-Stress Individuals
  • Normalizes stool consistency — helps both constipation and diarrhea
  • Lowers LDL cholesterol (FDA-recognized heart-disease risk-reduction claim)
  • Improves post-meal blood glucose and HbA1c
  • Increases satiety, supporting modest weight management
  • Feeds beneficial gut bacteria and raises short-chain fatty acid production
Constipation / regularity5–10 g

1–2 times daily

Start at 5 g and increase to avoid gas/bloating

LDL cholesterol reduction10–15 g

Daily in divided doses

Effects plateau around 8 weeks

Blood glucose control5 g

Before carb-heavy meals

  • -Whole husk – coarsest, highest bulking effect
  • -Powdered husk – mixes more easily in liquid
  • -Capsules – convenient but require many to reach an effective dose
Whole psyllium seeds and husks (primary source)Commercial fiber products (e.g., Metamucil)
BerberineSynergy

Both lower post-meal glucose — complementary for metabolic health. Separate timing to avoid reduced berberine absorption.

ProbioticsSynergy

Psyllium acts as a substrate for gut bacteria, supporting probiotic colonization.

IronCaution

Fiber may reduce iron absorption. Separate by at least 2 hours.

ZincCaution

Soluble fiber can bind zinc; space dosing.

MagnesiumCaution

Take at least 1–2 hours apart to avoid reduced absorption.

Read research on Psyllium Husk

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