This mineral is needed for more than 300 biochemical reactions in the body and plays many crucial roles in the body, such as supporting muscle and nerve function and energy production. It helps also helps in promoting a strong immune system and keeping a healthy, steady heartbeat. Just like other minerals, such as iron and calcium, magnesium improves bone health, keeping your bones and teeth strong. It also helps adjust blood glucose levels and the production of energy and protein. Chronically low levels can increase the risk of high blood pressure, heart disease, type 2 diabetes and osteoporosis. An estimated 20% of the world’s population experiences a magnesium deficiency. You will know if you may fall into this 20% if you experience muscle twitches/cramps/weakness, high blood pressure, irregular heartbeat, and extreme fatigue.