Does Dairy Affect Quercetin?

May affect absorption or how you feel

The short answer

Casein protein in dairy binds quercetin and other flavonoids, reducing their absorption and antioxidant activity.

How to arrange timing

Take quercetin at least 1 hour apart from dairy.

Reference

Reference noted for this food and supplement combination: Examine.com 2024

Important context

The effect can also change with food amount, supplement 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.