Medically reviewed by Erika Prouty, PharmD Too much magnesium may cause diarrhea and abdominal cramps. In severe cases, it can lead to difficulty breathing, irregular heartbeat, and death. Severe ...

Dietary supplements have become popular among Americans. But too much of supplements, including fish oil and vitamin D, can be harmful. A toxicologist shared the side effects of overdoing some of the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When it comes to vitamin supplements, most tend to fall into one of two categories: Vitamins we feel like ...

Hypermagnesemia refers to a high level of magnesium in the blood. It is rare and is usually the result of renal failure or poor kidney function. Symptoms include nausea, vomiting, neurological ...