Gut & FiberNo.058

Psyllium Fiber

Digestion, regularity, cholesterol, satiety.

Typical / RDA5–10 g
Upper limitIncrease slowly
EvidenceStrong

How to take it

Timing With waterFood Before mealsForm Psyllium husk

What to know

Soluble fiber with solid evidence for regularity and modestly lowering cholesterol. Always take with plenty of water, and ramp up slowly to avoid bloating.

Interactions & cautions

  • Can slow absorption of meds — take medications 1–2 h apart.
  • Needs lots of water to work safely.

Do you actually need it?

Helpful if your diet is low in fiber — but food first.

See how this fits your full stack →

Reference values: NIH Office of Dietary Supplements, adult general population. Educational information only — not medical advice. Confirm with a healthcare professional.

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