If you want to gain muscle, you have to eat. The intake of protein in general diet is not enough to keep fit and build muscles. But remember to replenish it in 20 minutes 1 hour. The effect is the best at this time. At other times, whey protein must be added if it needs to be increased. Whey protein powder generally contains more than 97% whey protein, which is high-quality protein, not other messy.