The nutrients found in foods provide our bodies with energy for growth and repair, as they are composed of carbohydrates, protein, fats, minerals and vitamins. Carbohydrates make up a group of organic compounds that include sugars and starches, while proteins are important for growth and repair, and fats or lipids can supply more than twice the amount of energy as carbohydrates or proteins. The amount of a given nutrient found in a food item can be determined using analytical chemistry tests. Continue Reading