Can You Take Desiccated Thyroid and Iron Together?

Dose or timing may matter

The short answer

Iron supplements can bind to thyroid hormones in desiccated thyroid, reducing their absorption by up to 50%.

How to arrange timing

Take desiccated thyroid at least 4 hours apart from iron supplements.

Reference

Reference noted for this combination: Campbell NR, et al. Ann Intern Med. 1992

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.