Which to take

[Agent007]

Ok first to say the most important , I am 16 yrs old.
I want to choose on of this packs, animal pump or m-stack.
I have stopped to the pump and a mass gainer for post workout, but today i heard that the m-stack would be better for gaiining ??? And my goal is to add mass ..

[Aggression]

Animal products are only recommended to those 18+. For you, I'd concentrate on quality foods and hard training.

[Enforcer]

http://forum.animalpak.com/showthread.php?19671-Enforcer-s-quot-The-Young-Buck-Stack-quot-READ&p=1049555#post1049555

[Jon]

pak or nitro would be better for you