Carbohydrate drinks include Coke, Sprite, Fanta, 7-up and mirinda. In addition, there are carbonated mixed drinks, such as Coca-Cola and Pepsi-Cola, and lemonade, such as 7-up and Jiaduobao; Energy drinks, such as Red Bull and Ipoh. Carbohydrates in beverages refer to sugars. In fact, carbohydrates are composed of three elements: carbon, hydrogen and oxygen. They are called carbohydrates because the ratio of hydrogen to oxygen is two to one, just like water. It is the cheapest of the three main nutrients that provide heat energy for human body. All carbohydrates are based on sugar. According to their content and the degree of complex relationship between them, carbohydrates are simple (such as sugar). They consist of monosaccharide or disaccharide units. Milk, fruits and some vegetables all contain simple carbohydrates, but the main sources of people's intake of simple carbohydrates are added sugar and processed food.