Can You Take Gamma-Oryzanol and Phytosterols Together?

Use extra care with this pair

The short answer

Gamma-Oryzanol (from rice bran oil) is a mixture of steryl ferulates that lower cholesterol similarly to phytosterols. Combining both stacks cholesterol-lowering effects and may excessively reduce fat-soluble vitamin absorption.

How to arrange timing

Both Gamma-Oryzanol and Phytosterols lower cholesterol through overlapping mechanisms. If using both, monitor fat-soluble vitamin levels (A, D, E, K).

Reference

Reference noted for this combination: Berger A et al., Journal of the American Oil Chemists Society, 2005; Gamma-oryzanol cholesterol-lowering mechanisms

Important context

Whether supplements suit you together also depends on dose, product formulation, health conditions, and medication use. Ask a doctor or pharmacist first if you take medication, are pregnant or breastfeeding, or have a chronic condition.