Micronutrients are needed to carry out certain chemical reactions within your body. Micronutrients consists of vitamins and minerals like vitamin A, vitamin C, potassium, magnesium, and more that work to maintain the brain, muscle, skin, bones, nerves, blood circulation and immune system. Several micronutrients are "essential", meaning they cannot be made by the body. Different vitamins and minerals have different functions in your body and provide different benefits. Together, they help keep you healthy and your body performing at its best. Deficiencies in micronutrients are linked to heart disease, diabetes, certain cancers, osteoporosis, and more1 .