i started off at 40 mgs a day then 60 mgs then bumped it upto 100 mgs on week 2 and done 6 week all together was expensive never gained much as i was not looking to the now. did give me more strenght added 10 kgs to my bench press and made me look a bit leaner and mre veins showing. down side was i got a lot of spots when i was taking it. every things fine still taking clomid as a precation.