LDL cholesterol reduction

Plant Sterols (Phytosterols)

Plant sterols and stanols reduce LDL cholesterol by blocking intestinal cholesterol absorption. Meta-analyses show consistent 7-10% LDL reduction at 2 g/day. FDA permits a health claim for this effect.

Evidence Level A

Evidence and Risk Labels

Evidence A/B/C reflects research maturity, and risk levels reflect monitoring needs. These labels support comparison, not diagnosis or treatment decisions.

See full scoring guide

Clinical Snapshot

Effect Size
Moderate, consistent LDL reduction of 7-10%; additive to statin therapy
Safety
Low Risk

Phytosterolemia (rare genetic condition) is an absolute contraindication. May slightly reduce fat-soluble vitamin absorption at high doses.

Research Dosing

This reflects common ranges and protocols used in published studies, not personal medical advice.

Typical Daily Dose
2 g (as sterols or stanols)
Timing
With meals that contain dietary fat
Protocol Duration in Studies
Ongoing; effects are maintained with continued use

Spread across 2-3 meals for maximum cholesterol absorption blockade; found in fortified foods or supplements.

Best Fit Profiles

  • LDL reduction as adjunct to dietary and pharmaceutical lipid management

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