Iron: What It Is, Forms, Cautions, and Clean Brands

Iron is an essential mineral. It supports healthy red blood cell production and energy.*

Forms and what to look for on the label

Ferrous bisglycinate is usually easier on the stomach than ferrous sulfate.

Before you take it

Take it only if you need it, and ideally after a blood test. Iron overdose is dangerous for children, so store it out of reach. It interferes with calcium and thyroid medication.