https://www.lifeasible.com/custom-solutions/food-and-feed/food-testing/chemical-and-nutritional-analysis/heavy-metal-and-mineral-analysis/ Minerals are essential components of our bodies and play vital roles as co-factors for almost every biochemical reaction. Lack of minerals supply may result in different kinds of chronic and/or acute diseases, and may even be a threat to life. There are at least 20 minerals which are essential for the proper function of the human body; and all of the minerals will need to be obtained from foods.