Magnesium, potassium, or sodium? Learn what each electrolyte does, signs of low levels, and when a supplement may help.

Magnesium chloride is a supplemental form of magnesium. Learn about the uses, benefits, side effects, and risks.

Magnesium is a mineral available in supplement form. Other supplements and drugs you might be taking, however, won't always interact well with it, experts say.

This story is from Manual, GQ’s flagship newsletter offering useful advice on style, health, and more, four days a week. While magnesium tends to come up on podcasts in the context of improving sleep ...