Does Tea Affect Whey Protein?

May affect absorption or how you feel

The short answer

Tannins and polyphenols in tea bind to whey proteins, forming precipitates that reduce protein digestibility.

How to arrange timing

Take whey protein at least 1 hour apart from tea.

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.