P90x

[mredskins]

Originally Posted by Mattyk

Personally I don't get too caught up with loading up on protein, if you're eating a balanced diet consisting of lean proteins, veggies, whole grains, fruit, and limit junk, refined foods and sugars you'll be alright. You should be able to get what protein you need from meats, eggs, nuts, and beans.

I think those guys are trying to gain mass so protein is a big issue in muscle growth.