Hi Lee, I cannot put my hand on the reference material for BCAA but from memory they pretty good for fasted individuals so yes they may well be good in a run up to a comp. Also there is evidence that they are good for endurance such as football and long runs. Sorry but my recall is there is no definitive proof for building mass for body builders if you are already using whey and have a good balanced diet. Saying all that I am not a competing body builder like Lee. Whatever he is doing he certainly seems to be doing right and looking good year after year. But I bet most of his gains are down to training real hard and eating good whole food and not supplements.
Women - On the other hand, women often experience a "masculinization" effect from anabolic steroids, including the following: