Ostarine (MK-2866) is perhaps the world’s most widely used SARM; and for good reason! Ostarine is used by both men and women to achieve fast results in strength, muscle gain, and fat loss. MK-2866 not only offers fast results in performance and physique enhancement , but it also contains healing properties to help athletes come back from injuries more quickly. Within days of starting Osta-1, users can expect the weights to feel lighter and the pumps to feel harder. Users may notice increased vascularity and muscle roundness on the very first day of their cycle. Osta-1 is an ideal product for either bulking or cutting.