Many wonders how and if a vegan/vegetarian diet can be suitable to build up muscles and do sports. It has been show though, that not only this is very possible, but also that we are actually forced to eat too many proteins, by a kind of non-sustainable life style that has turned meat and animals into nothing more than products.
The RDA of protein according to U.S. government standards is 0.8 gram per kilogram of ideal body weight per day ...