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

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

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 ...