Carbohydrate, also known as carbohydrate, is an important class of organic compounds that exist the most and are widely distributed in nature. It is mainly composed of carbon, hydrogen and oxygen.

Carbohydrates are a large class of compounds composed of carbon, hydrogen and oxygen. It is an important organic compound that exists most and is widely distributed in nature. Carbohydrate is also called carbohydrate, glucose, sucrose and starch.

Carbohydrate calories, human absorption capacity and trainer's level are the three core factors affecting weight change.