A dose of 100 mg of methandienone (dbol)/day was given alternately with the placebo in a double-blind crossover experiment. The treatment periods lasted 6 weeks and were separated by an interval of 6 weeks. Body weight, potassium and nitrogen, muscle size, and leg performance and strength increased significantly during training on the drug, but not during the placebo period. –  Effects of methandienone on the performance and body composition of men undergoing athletic training [PubMed]