Magnesium is very important for your health, and only lack of vitamin D is more common than the lack of magnesium in terms of malnutrition in the industrialized world. Magnesium deficiency can lead to increased blood pressure, lower insulin sensitivity, problems with the nerve system, depression, and it also affects disorders like ADHD. The body mostly uses magnesium as an electrolyte and as a cofactor for several enzyme systems. Low levels of magnesium are associated with so-called neuronal hyperexcitability, which causes nerve cells to send out too many nerve signals, and even randomly sending out nerve signals. 35% of all magnesium in the body can be found in the muscles, where it fills an important role, similar to its function in the brain and the nerve cells – it counteracts the excessive sending out of signals which causes the muscles to contract. People with diabetes are more likely to have a magnesium deficiency.