1, because exercise consumes a lot of energy, it also intensifies protein catabolism and even leads to protein negative balance. Therefore, the intake of protein, especially high-quality protein, should be increased to ensure the metabolic needs of the body and promote muscle synthesis.

2. Appropriately increasing the intake of protein plays an important role in supplementing the loss of protein during exercise, increasing muscle strength, promoting the synthesis of hemoglobin and eliminating fatigue. Because whey protein is rich in branched-chain amino acids, it can promote the synthesis of muscle protein, which is more suitable for sports and fitness people. If the purpose of fitness is to gain weight and muscle, it is a good choice to supplement protein powder appropriately.