You can buy different types of iron supplements. The two main categories? Ferrous and ferric iron. (You can tell which one ...

Most iron supplements are made from ferric or ferrous iron salts. Common types include ferrous sulfate, ferrous gluconate, ferric citrate, and ferric sulfate. Research shows that ferrous iron is ...

Firstly, the type of iron supplement matters. There are two main types of iron supplements: ferrous and ferric. Ferrous iron supplements are better absorbed by the body, making them a more ...