The drug was prescribed to promote muscle regrowth in disorders which cause involuntary weight loss, and is used as part of treatment for HIV/AIDS . It had also been shown to be partially successful in treating cases of osteoporosis . However, in part due to bad publicity from its illicit use by bodybuilders , production of Anavar was discontinued by Searle Laboratories in 1989. It was picked up by Bio-Technology General Corporation, which changed its name to Savient Pharmaceuticals , which following successful clinical trials in 1995, released it under the tradename Oxandrin.  BTG subsequently won approvals for orphan drug status by the Food and Drug Administration for treating alcoholic hepatitis , Turner syndrome , and HIV-induced weight loss . It is also indicated as an offset to protein catabolism caused by long-term administration of corticosteroids .
There are two of interests that fill the category of the most powerful muscle building steroids of all but the king of kings is that of Trenbolone . Because of Testosterone’s efficiency it is a close second, a very close second but Trenbolone is 400 times more powerful than testosterone; that’s not an arbitrary number, it is literally 400 times more potent and powerful. Not only are the various Trenbolones the most powerful muscle building steroids of all, they are the most potent steroids to serve any cycle for any purpose.