The androgenic effects of tibolone have been postulated to be involved in the reduced breast cell proliferation , reduced breast cancer risk, improvement in sexual function , less unfavorable changes in hemostatic parameters relative to estrogen–progestogen combinations, and changes in liver protein synthesis (., 30% reductions in HDL cholesterol levels, 20% reduction in triglyceride levels, and 50% reduction in SHBG levels) observed with tibolone.   They are also responsible for the androgenic side effects of tibolone in some women such as acne and increased hair growth . 
(B) (1) Every licensed health professional authorized to prescribe drugs shall keep a record of all controlled substances received and a record of all controlled substances administered, dispensed, or used other than by prescription. Every other person, except a pharmacist or a manufacturer, wholesaler, or other person licensed under section of the Revised Code, who is authorized to purchase and use controlled substances shall keep a record of all controlled substances purchased and used other than by prescription. The records shall be kept in accordance with division (C)(1) of this section.
Results wise, users should expect extreme strength increases and weight gain in a relatively short 2-4 week period. Weight gain upwards of 20lbs in 4 weeks is not unheard of with this incredibly potent compound. Although subcutaneous water gain would be minimal, intramuscular water retention should be expected. This is due to inhibition of 11b-hydroxylase and build-up of mineralcorticoids which encourage salt and water retention within the muscles. The most obvious physical effects will be improved vascularity, aggressive muscular pumps, and oily skin.
While methyldrostanolone can stack well with most other steroids, it should never be stacked with another methylated (17aa) steroid.