The injectable, Sustanon 300mg, under trademark as Organon is a hugely popular testosterone ester product.
Buy Sustanon 300 Mg: http://www.steroid-dispensary.com/home/1-sustanon-300mg.html
Sustanon is a tiny little cocktail with each measure containing testosterone propionate, testosterone phenylpropionate, testosterone isocaproate and testosterone decanoate. If that's all a bit chemistry / science heavy for you should know that Sustanon 250 is made up of short, medium and long term esters.
