I've tried it, works great to help you get the lean look. Litarally a pain in the ass when you inject. Hurts like a SOB. I hear oral tabs are the same and a lot less painfull. Injectable just bypasses the first stage in the liver. If you want to do the liquid buy some gel tabs and inject your dose in there and swallow it. Much less painfull . Oh yeah, if you do it make sure you use test or kiss you sex life goodbye.
Edit: meant injectable winny which can be taken orally as well. Lots of web based places advertise winny, test etc as a pill. All your buying is vitamin pills.