Using it before training can make your study full of amino acids, which is very beneficial to improve sports performance and muscle congestion. Congestion is the manifestation of vasodilation. After dilation, blood circulation is smooth, which can transport more nutrients to muscles and transport away metabolic wastes generated during training. \x0d\ If it is used after training, it will effectively repair muscles in time and promote the synthesis speed of protein. \x0d\ Of course, you can also take protein powder as a snack and eat it with fruit or other high-quality carbohydrates and fat. In a word, before and after training is the best intake time for protein, but it doesn't mean that before and after training is the only recommended intake time for protein.