Can You Take Iron and Nickel Together?

May affect absorption

The short answer

Iron and nickel share the DMT1 transporter. Co-administration may reduce absorption of both minerals.

How to arrange timing

Consider separating iron and nickel supplements by 2 hours.

Reference

Reference noted for this combination: Gunshin H et al., Nature 1997; DMT1 substrate specificity

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.