Does Caffeine Affect Magnesium?

May affect absorption or how you feel

The short answer

Caffeine may increase magnesium excretion through the kidneys.

How to arrange timing

Separate magnesium from caffeine by at least 1 hour.

Reference

Reference noted for this food and supplement combination: Examine.com

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.