Methanodrol is a substance that is found in sports supplements taken to incur anabolism. It is not the same substance as Dianabol (Methanodrostenolone), which is one of the most popular illegal steroids amongst athletes of today. Methanodrol is a substance that is found in sports supplements taken to incur anabolism. It is not the same substance as Dianabol (Methanodrostenolone), which is one of the most popular illegal steroids amongst athletes of today.