Can You Take Potassium and Calcium Together?

May affect absorption

The short answer

High-dose potassium supplements may compete with calcium for absorption in the intestine.

How to arrange timing

Space these at least 2 hours apart when taking supplemental doses.

Reference

Reference noted for this combination: NIH ODS 2024

Important context

Whether supplements suit you together also depends on 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.