1) steroids are illegal because of the right-deposit for all formula by brand ex : metonolone enanhte ( primobolan) which property of Bayer latley shering-ploug before.
* most of the structure are under-rigth exploitation ex: trenbolone-enanthate is not under a legal right then is an outlaw steroids. it remains to say : with right you need prescription, without rights you are not allowed to produce or are allwed to use.
secondly: as they used to "usualy" to break rules among sportiv federation they are under-control, and or fobidden compounds.
these answer are out of contest, just my two cents.