All AAS, including Oxymetholone/Anadrol, are different types of exogenous testosterone.Oxymetholone has a similar effect as testosterone, it build muscle and burns fat. Oxymetholone is described by some Bodybuilders as the best AAS for weight gain and rapid muscle gain. Muscle gain with the help of Oxymetholone by bodybuilder is usually composed of muscle and water retention. It is not uncommon …