As a health and nutrition expert, I can tell you that magnesium is an essential mineral that plays a crucial role in many bodily functions. However, as with most nutrients, there is a balance, and both deficiency and excess can lead to health issues. While magnesium is generally considered safe for most adults in doses less than 350 mg daily, taking it in very large amounts can be POSSIBLY UNSAFE. Overdosing on magnesium can lead to a condition known as hypermagnesemia, where there is too much magnesium in the body. This can result in serious side effects such as an irregular heartbeat, low blood pressure, confusion, slowed breathing, coma, and in severe cases, even death. It's important to approach supplementation with caution and to consult with a healthcare professional before taking high doses of any mineral, including magnesium. read more >>

Doses less than 350 mg daily are safe for most adults. When taken in very large amounts, magnesium is POSSIBLY UNSAFE. Large doses might cause too much magnesium to build up in the body, causing serious side effects including an irregular heartbeat, low blood pressure, confusion, slowed breathing, coma, and death.read more >>