Taking protein powder during fitness is beneficial to supplement protein, increase muscle and nourish muscle fiber, which is beneficial to achieve better fitness effect. Because high-intensity training will tear the original muscle fiber, and the repair of muscle fiber needs a lot of protein supplement, and intake of enough protein powder just meets the needs of protein, so fitness needs to intake protein powder.

But it is ok for some people not to eat protein powder, because normal food intake can basically meet the normal needs of protein, but protein powder has the advantages of concentration, high efficiency and convenience.