Dianabol is one of the oldest anabolic steroids available and it has always been at the top of the list regarding the best steroids of all for good reason; it promotes strength and mass like nobodys business. Most individuals will be best suited using this anabolic steroid when they are trying to add size and strength; after all, it was first developed for this purpose. Even so, it can be used very effectively in a means to hang on to strength and size when dieting but your food intake will need to be very strict and tight to ensure your end goal is met.
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 .