Can You Take Iron and Magnesium Bisglycinate Together?

May affect absorption

The short answer

Magnesium (as Magnesium Bisglycinate) may compete with iron for divalent metal transporter absorption.

How to arrange timing

Consider separating magnesium bisglycinate and iron by 2 hours.

Reference

Reference noted for this combination: NIH ODS Iron Fact Sheet; Hallberg L, 1991

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.