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Beta-Sitosterol

What is Beta-Sitosterol?

A plant sterol (phytosterol) used for prostate/urinary symptoms and, at higher doses, cholesterol lowering.

How Beta-Sitosterol works

May independently inhibit 5-alpha-reductase in the prostate (similar direction to finasteride); at high doses reduces cholesterol absorption.

Benefits & uses

  • Improves BPH urinary symptoms and flow
  • Supports prostate health
  • Can lower cholesterol at higher doses

Common uses: BPH/prostate symptoms, urinary flow, cholesterol support.

Beta-Sitosterol dosage

Typical dose
60–130 mg daily for prostate (clinical range 30–91 mg)

Beta-Sitosterol side effects

  • Generally well tolerated
  • Mild GI upset

Commonly stacked with

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For research and educational purposes only. This page is not medical advice and is not a recommendation to use any compound. Many compounds listed are not approved for human use, and some are prescription-only or controlled in your jurisdiction. Dosing figures are reference or observational reports. Talk to a qualified healthcare provider before starting, stopping, or changing anything. Protokol is for tracking purposes only.