Does Tea Affect Copper?

May affect absorption or how you feel

The short answer

Tea tannins bind copper ions in the gut, reducing copper bioavailability through chelation.

How to arrange timing

Separate copper supplements from tea by at least 2 hours.

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.