I agree with Mickey. You will destroy your body by using juice now. It looks to me like you need to eat. I had a similar problem too when I started out but I was never as lean as you. Then I started eating whole chickens as a meal. Then suddenly, I started to blow up. Protein is extremely important but you got to eat some other stuff too. Then have a piece if cake afterward. The. You have eaten. You can always shred out later. Good luck man.