Too much magnesium may cause diarrhea and abdominal cramps. In severe cases, it can lead to difficulty breathing, irregular heartbeat, and death. Severe magnesium toxicity is not all that common.

Magnesium is an important nutrient involved in many processes in the body. It has been shown to support sleep in several ways ...

Close up of supplements in woman's hands, with kitchen in background - Vorda/Getty Images As the rush for loading up on fiber and protein continues, it's important not to neglect other nutrients as ...

Magnesium plays a vital role in heart health, energy, and muscle function, but too much can cause serious health issues.