Ostarine is legal, but only for research purposes. It has not been approved by the US Food & Drug Administration (FDA) and as a result cannot be sold as a dietary supplement, cardarine 10mg enhanced athlete. It's widely available on the internet but websites that sell selective androgen receptor modulators must market them, not as lean body mass builders or fat loss agents, but as tools for research only. The FDA is beginning to clamp down on online sellers of SARMs and have recently shut down a large retailer and clearly have others in their firing line. Ostarine is also on the World Anti Doping Agency list of prohibited substances.The most typically used dose by body builders is 25mg, cardarine 10mg enhanced athlete.