Andarine known by the following names S4 and GTx-007 is a sarm developed by GTX Inc. As an investigational SARM, it was developed for osteoporosis, muscle wasting, prostatic hypertrophy, while using a lead compound known as nonsteroidal antiandrogen bicalutamide.

It is therefore used for the following reasons:

  • Burning unwanted fat
  • Doing away with obesity
  • Building powerful muscles
  • Gaining strength and endurance