The third SARM you can take solo or add to an entire regime of SARMs, including the other two SARMs above, is LGD4033 . It was developed to treat muscle wasting often associated with cancer , as well as age-related muscle-loss. It’s said to be similar to testosterone with the therapeutic benefits, but safer to use than testosterone. Several research trials show that use of LGD4033 increases lean body mass while decreasing body fat. It has the potential to offer healing, increase strength, and it is one of the better known SARMs for increasing drive, erections and sex drive.