NOTE: Taking Cialis (or probably any of the erection-boosting PDE5 inhibitors) increases testosterone post-exercise in healthy male subjects.  So should you pop this pill before going to the gym? Well, not so fast: the study also showed that Cialis amplified cortisol significantly more than normal as well. The last thing most of us guys need is more cortisol, which leads to muscle tissue breakdown, visceral fat deposition and other ills. In addition, you should read the following links that cover The Dangers of Recreational Use of Viagra and Side Effects of Viagra, Cialis REFERENCES :
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 .