The most commonly used AAS in medicine are testosterone and its various esters (but most commonly testosterone undecanoate , testosterone enanthate , testosterone cypionate , and testosterone propionate ),  nandrolone esters (most commonly nandrolone decanoate and nandrolone phenylpropionate ), stanozolol , and metandienone (methandrostenolone).  Others also available and used commonly but to a lesser extent include methyltestosterone , oxandrolone , mesterolone , and oxymetholone , as well as drostanolone propionate , metenolone (methylandrostenolone), and fluoxymesterone .  Dihydrotestosterone (DHT; androstanolone, stanolone) and its esters are also notable, although they are not widely used in medicine.  Boldenone undecylenate and trenbolone acetate are used in veterinary medicine . 
GaudiLabs joined the “How to grow (almost) anything” program, directed by George Church, professor of Genetics at Harvard medical school. The pilot class is based on a distributed educational model with FabLabs and Hackerspaces around the world. We try to combine knowledge on bio-engineering and nano-technology with the creative and hand’s on biohacking approach. Topics include DNA Nanostructures, Darwin on steroids, 3D Bioprinting, Engineering the Human Microbiome and many more . Let’s grow it. Here you find our project page .