For cycle length, I'd make your first Ostarine cycle, if it's on its own, around 12 weeks. I wouldn't push it further than that because you're not going to be sure how your body will react. If you are stacking Ostarine, especially if you are a beginner, you will be using a lower dose over a shorter cycle duration if you are sensible, best ostarine cycle. Do You Need PCT With Ostarine? Ostarine is very mild, many people claim it's not androgenic at all.In fact, according to most cycle logs and anecdotal evidence, Cardarine can be used as a powerful cutting agent, to lose fat rapidly, and to seriously improve endurance levels, best ostarine cycle.