This is a very powerful androgen and a recognised compound in building mass muscles, gaining significant endurance and fitness, including but not limited to muscle cutting as well.

Testolone RAD 140 as it is also known is one of the most powerful SARMS in the market today and currently being studied and researched by a pharmaceutical entity called Radius Health.

RAD 140 has no known side effects what so ever, though relatively knew in the market, it is still one of the best muscle building and or body building SARMS.