Does Dairy Affect Copper?

May affect absorption or how you feel

The short answer

Calcium in dairy competes with copper for intestinal absorption. High calcium intake can reduce copper status over time.

How to arrange timing

Separate copper supplements from dairy by at least 2 hours.

Reference

Reference noted for this food and supplement combination: NIH ODS 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.