1 kg muscle contains about 70%-75% water. Thus, the dry weight of 1 kg muscle is about 250-300g. It also includes some fats, glycogen and minerals. It is estimated that 1 kg of muscle may contain only 226-270g of protein.

According to the calculation of 4 kcal required to produce 1g protein, at least 904- 1080 kcal is required for 226-270g protein. However, some scholars believe that when considering the calories of weight gain, we also need to consider the food thermal effect of overeating. So some people think that the growth of an adult 1 g protein needs 8 kilocalories. This requires at least 1808-2 160 calories to get 1 kg of muscle. Guagua is not sweet, but sugar can be added.