Calcium, an essential nutrient found in several foods including dairy products, some vegetables, and many fortified food items. Magnesium, a chemical element that plays an important role in daily functions. Sodium, an alkali metal that, due to its significant reactivity, is always found in salt forms in nature. BHB, a type of ketone body that is produced in the liver from fatty acids as a source of energy for the brain when sugar intake is too low, normally found in very low levels throughout the body. MCT, healthy fat molecules containing three saturated fatty acids attached to a glycerol backbone, found in coconut oil, palm kernel oil, and dairy fat.