Boldenone is known for its unique ability to increase muscle mass, boost endurance and even increase the users appetite, making it a great choice for those who struggle to pack on the mass.

Boldenone undecylenate was introduced for medical use in the 1960s. In addition to its medical use, boldenone undecylenate is used to improve physique and performance. The drug is a controlled substance in the United States and its use is generally illicit.