Does Dairy Affect Green Tea Extract (EGCG)?

May affect absorption or how you feel

The short answer

Milk proteins (casein) bind to EGCG catechins, significantly reducing their antioxidant absorption.

How to arrange timing

Take green tea extract away from dairy products.

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.