Also known as
Other names:
- 17b-Boldenone (17b-Bol)
- 1-dehydrotestosterone
- Androsta-1,4-diene-17b-ol-3-one
Therapeutic Goods Administration (TGA) approval
Boldenone is not listed on the Australian Register of Therapeutic Goods (ARTG).1
World Anti-Doping Code Prohibited List 2026
Boldenone is a prohibited substance listed under S1.1 Anabolic Androgenic Steroids (AAS).
S1 Anabolic Agents are prohibited at all times and are non-specified substances.2
This substance meets at least two of the following three criteria, as determined by the World Anti-Doping Agency (WADA);
- It has the potential to enhance or does enhance sports performance
- It poses an actual or potential health risk to the athlete
- It violates the spirit of sport (as defined in The Code).
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What is it?
Boldenone is an anabolic androgenic steroid which is not approved for human use.
It is a synthetic derivate of testosterone which was developed for veterinary use.
How does it work?
Boldenone has a similar chemical structure to testosterone and can be used to stimulate protein synthesis and the release of erythropoietin.
Uses
Boldenone may be used to increase muscle strength and mass.
Adverse Health Effects and Risk
Boldenone is classified as a probable human carcinogen by the International Agency for Research on Cancer.
It also affects testosterone production in men. In animal studies, it has led to disruption of male reproductive system and fertility issues, such as decreased teste size, reduced sperm count and mobility.
What if an athlete has been prescribed Boldenone for a medical condition?
There is no therapeutic or medical use for Boldenone in humans, therefore athletes can not get Therapeutic Use Exemptions for Boldenone.