Minerals

This essential mineral and antioxidant is just what the doctor ordered for improving brain function, protecting against cancer, and boosting immunity against the flu.

Should you supplement with the mineral? In some cases, the answer is no.

This unheralded trace mineral plays several important roles in the body, and deficiencies can lead to a variety of serious health concerns.

It doesn't get as much press as calcium, magnesium, or even zinc, but iodine is a crucial mineral for thyroid health, and it's especially important for pregnant women and healthy babies.

Iron is essential for oxygen to be transported by the blood throughout the body, for oxygen to be used by cells, for synthesis of some hormones and connective tissue, and for production of energy. A deficiency can lead to anemia, fatigue, depression, learning problems, and poor immunity. Do you know where to get it, and how much you need? Find out by taking our quiz.

Zinc is required for more than a thousand different chemical reactions in the body. Yes, a thousand! So when you’re not getting enough, your health suffers. Here’s how to recognize and fix low zinc levels.

Sleep, anxiety, and depression—magnesium helps improve all of them, and most of us don’t get enough.

Even a perfect diet doesn’t guarantee adequate amounts. Here's why you need more.

We all know that calcium helps build strong bones, but there’s a lot more to it than that.

This popular cold remedy has a lot more uses than you might think.

Most diets are sadly lacking in this key mineral, but luckily that’s an easy problem to fix