Increase to 30mg per day in week 5 to week 8, and 40mg per day in week 9 to week 12. Two popular SR9009 stacks for Cutting & Hardening. Stacking is not for newbies. As a newcomer, you should get a firm understanding and experience from all the compounds before combining them in a stack. If something goes wrong with a beginner stack, you want to ensure that you know which compound is disagreeing with your body, how long should i cycle ostarine.Pasiakos, Stefan M, et al, how long should i cycle ostarine.