Can You Take Bone Meal and Iron Together?

Dose or timing may matter

The short answer

Bone meal is rich in calcium, which competes with iron for absorption. Taking them together can significantly reduce iron uptake.

How to arrange timing

Separate bone meal and iron supplements by at least 2 hours.

Reference

Reference noted for this combination: Hallberg L, et al. Am J Clin Nutr. 1991;53(1):112-9

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.