Can You Take Evening Primrose Oil and Quercetin Together?

Use extra care with this pair

The short answer

Evening Primrose Oil has antiplatelet or blood-thinning properties, while Quercetin has antiplatelet or blood-thinning properties. Taking both may amplify blood-thinning effects through different mechanisms.

How to arrange timing

Both Evening Primrose Oil and Quercetin affect blood clotting through similar mechanisms. Consider whether both are needed, or reduce doses when combining. Watch for signs of easy bruising.

Reference

Reference noted for this combination: Izzo AA et al., Molecular Nutrition & Food Research, 2016; Herb-supplement interactions affecting hemostasis

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.