Beta-Sitosterol

A plant-based compound that supports prostate and cardiovascular health.

Also known as: Plant Sterols

other Names
Plant Sterols
primary Benefits
Prostate health, cholesterol management
common Dose
60-130mg for prostate, 800mg+ for cholesterol
best Form
Free sterols
timing
With meals
safety Rating
Generally safe

Overview

Beta-sitosterol is a phytosterol, a substance found in plants that is structurally similar to cholesterol. It is commonly used to support prostate health, particularly for benign prostatic hyperplasia (BPH), and to help manage cholesterol levels.

Key Benefits

Prostate Health

Improves urinary symptoms associated with BPH.

Cholesterol Management

Can help lower LDL cholesterol levels by inhibiting its absorption in the intestines.

Dosage & How to Take

For BPH, 60-130mg daily. For cholesterol, 800mg or more, divided with meals.

PurposeDoseNotes
BPH60-130mg dailyOften combined with other prostate-supporting ingredients.
Cholesterol400-800mg twice dailyTake with meals containing fat.

Best Time to Take

With meals.

With or Without Food

Yes

Forms & Bioavailability

FormAbsorptionBest ForNotes
Free SterolsGoodGeneral useThe most common form in supplements.

Side Effects & Safety

Common

  • Nausea
  • Indigestion
  • Diarrhea

Rare

  • Erectile dysfunction

Contraindications

  • Sitosterolemia (a rare genetic disorder)

Interactions

Ezetimibe (Zetia)Moderate

Both substances reduce cholesterol absorption, potentially leading to additive effects.

Scientific Research

1995https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(95)91085-9/fulltext

A multicentric, placebo-controlled, double-blind clinical trial of beta-sitosterol (phytosterol) for the treatment of benign prostatic hyperplasia

A 1995 study found that beta-sitosterol significantly improved urinary symptoms and flow measures in men with BPH.

Food Sources

Avocados
Nuts
Seeds
Vegetable oils

Frequently Asked Questions

Medical Disclaimer

This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.