Ostarine activates androgen receptors to create an increase in protein synthesis, making muscle and strength gains much easier on the user, and preventing any kind of catabolic effects.
It increases bone strength and will improve joint health, it does this by increasing bone density in the body due to anabolic effects on skeletal muscle and connective tissues.
Cardarine or GW-501516 is not an anabolic it is a member of the SARMS family known as an amazing torque modulating compound that has some extreme benefits. The two most obvious benefits are increases in endurance and extreme fat loss.
Cardarine provides great support, it is specifically geared towards people looking to lose body fat quickly. It can be used with other stimulant based fat loss products like thermogenic burners (Hydroxycut, Lipodrene, etc) and even clenbuterol to help facilitate this process.