Carbohydrates are a basic component of human food. Together with proteins, lipids, vitamins and minerals, carbohydrates help humans maintain life, grow and develop.

The body always needs to provide adequate nutrients to help people maintain life, move and develop in the most comprehensive way. Based on the source of nutrients that food provides, people divide into 4 important groups of nutrients necessary for the body, each stage of development or each person has different energy needs.