Nutrition is the process by which an animal or plant takes in food (or food substances) and converts it into energy and other vital nutrients required for various bodily functions and also life. All living things need nutrients for proper functioning and growth, but the mode of nutrition varies from one species to another.

Proteins, carbohydrates, fat, vitamins, minerals, fiber, and water are all nutrients that are extremely necessary for us humans. It is important for us to have the right balance of nutrients in our diet to remain healthy and reduce our risk of developing certain chronic diseases and sicknesses.