I remember reading about this, I think it is supposed to be shot sub-q. Also need to make sure it is injectable form, I wouldn't just get liquid L-carintine and load it into a syringe... that is just asking for trouble. You can also inject clen sub-q and B12 is supposed to be a good boost. In the end, I thought if I was going to injecting something I may as stick with steroids. Sorry, no pun intended.