Minerals are essential for countless metabolic functions in our body. For example magnesium is required for normal muscular function, zinc is involved in the production and secretion of insulin and potassium is crucial for nutrient supply to our cells. As a result, they have a great deal to do with the health of our bodies. By analyzing mineral imbalances in the body, one can learn a lot about the causes and correction of hundreds of common physical and mental health conditions.