Ostarine (MK-2866) is a selective androgen receptor modulator (SARM) that is popular among bodybuilders and athletes for its ability to increase muscle mass and strength while also promoting fat loss. This product is available in a liquid form for easy oral consumption. Ostarine has been shown to have minimal side effects and does not affect the prostate or other reproductive organs. It is also non-toxic to the liver and kidneys. Ostarine is a great option for those looking to increase muscle mass and strength while maintaining a lean physique.