The Benefits of Magnesium for Your Health Magnesium Glycinate is one of the most important nutrients needed throughout the body and essential for a nutritious life. It is responsible for helping many functions and processes throughout the whole body. This is also a needed nutrient to help the body sleep and recover on a day-to-day basis. Magnesium is found in every cell of your body and is essential for healthy functioning. The bones contain around 60% of the magnesium in the body, whereas muscle and soft tissue cells and fluids, including blood, contain nearly 40%. Here are some of the science-based benefits why magnesium is important. Takes Part in Hundreds of Reactions One of its core roles is to act as a cofactor in biological reactions performed by enzymes.