HD Labs Superdrol TabsSuperdrol (called methasteron, and methyldrostanolone) is the name of the most popular and the well known product to contain the 2a,17a dimethyl 5a androst 3 one 17b ol (methyldrostanolone) steroid. Superdrol is probably the most effective and widely used oral anabolic steroid of the last decade. It is basically Masteron lacking the ester chain. As an oral steroid, it is equipped with a c 17aa modification allowing it to survive the first pass through