If a person were to eat only one nutrient, it wouldn’t be very satisfying to their health. A person should eat a specific amount of each nutritious group in order to stay happy and healthy. Some specific macromolecules a person needs every day include carbohydrates, lipids, and protein. These give you the energy you need to start your day the right way! Carbohydrate is a macromolecule that gives you energy throughout the day. Many people believe that carbs are bad for you because you could easily gain weight by them. Although that is true, our bodies still need carbs and not all carbs are unhealthy for you. The three main types of carbohydrates are sugar, starch, and fiber (Mayo Clinic 1). In sugar, there are three common types of monosaccharides;