They know, my dad used to juice back in the day, he's 48 now.... He told me info on what he knew and just told me to be safe with what I do and don't over do it. My mom doesn't like the idea of it, but she'd rather have me do something that will help, not stuff like E, Acid, Pot, etc....... I told them I wouldn't mind competing oneday, they don't want me to cause they think guys like Coleman, Cutler, Flex are too big, but they just want to see me happy, and me being on juice, working out, and just looking good makes me happy.