Carbohydrates are one of the main types of nutrients and the most important sources of energy for the body, as carbohydrates provide calories by producing heat in the body and converting carbohydrates into glucose - blood sugar -, and this sugar is used for energy in cells, tissues and organs, and additional sugar is stored in the liver and muscles for a long time. The need, and carbohydrates are for bodybuilding as the main nutrients for an increase in body mass, as carbohydrates replenish the energy stores in the muscles in order to help proteins build muscle again.