Clean Boxing Program: Bolasterone

The World Boxing Council’s Clean Boxing Program, in conjunction with the Voluntary Anti-Doping Association (VADA), has included bolasterone on the list of prohibited substances due to the severe health risks it poses to fighters.

Bolasterone is a synthetic anabolic-androgenic steroid that can cause severe liver damage, hormonal alterations that suppress natural testosterone production, as well as increase blood pressure and cardiovascular risks. Its prolonged use can also affect mood and generate aggressive or depressive behaviors, which increases the danger in a high-contact sport.

For these reasons, VADA integrates it into the category of steroids prohibited at all times. The WBC seeks to protect the lives of boxers and preserve the safety of the sport, making it clear that the consumption of substances like bolasterone not only compromises a career but can also become a direct threat to the athlete’s health and life.

If you want to know the list of prohibited substances issued by VADA, you can consult the following link: https://wbcboxing.com/wp-content/uploads/VADA-Prohibited-List-2025.pdf