Do a search under my name I just posted recently my experience with it. Jersey Freak is right on it hurts like a mother. Warning do not put it in your quad you will not be able to walk for days. I have a high theshold for pain, It did get better after two weeks became more bearable. I don't think there is any way you could do it ed. I would say stay away from it because there is no way to tell the potency and just because it stings I don't think is a good way to judge if it's real it could be loaded with alcohol and 50 mg prop. I agree there is definatly something active in it because my libido soared and I was also using fina and winny which last time killed me all together.