Synthetic steroid (STEAR)
Tibolone for athletes: anti-doping and performance
Athletes in regulated competitive sport face an additional layer of medication review beyond clinical considerations: whether Tibolone (Tibolone) is permitted under anti-doping rules, requires a Therapeutic Use Exemption, or is on the prohibited list at 2.5mg. The active ingredient Tibolone determines the answer; brand or generic version is irrelevant to anti-doping classification.
Anti-doping status of Tibolone
The WADA Prohibited List and equivalent national lists are updated annually. Tibolone may be permitted at all times, prohibited in-competition only, prohibited at all times, or require a TUE depending on the agent and the sport. Some otherwise-routine medications are restricted at competition because of their pharmacological effects on cardiovascular, neuromuscular or hormonal systems. Tibolone is a prodrug; on absorption it is rapidly converted to three active metabolites (3α-OH-tibolone, 3β-OH-tibolone and Δ4-tibolone) with different tissue-selective activity.
TUE and practical guidance
According to anti-doping authorities, an athlete who needs a prohibited or restricted medication for a legitimate medical reason can apply for a Therapeutic Use Exemption before using it. The application requires medical documentation and may need to be approved before competition. Athletes should always check the most recent WADA list and their sport's federation rules before starting Tibolone at 2.5mg.
Frequently asked questions
Is Tibolone banned in sport? ▾
Whether Tibolone is banned depends on Tibolone and the most recent WADA Prohibited List. Some agents are permitted, some restricted in-competition, some prohibited at all times. Always check the current list and TUE requirements before competition.
Will Tibolone affect my performance? ▾
Performance effects depend on the medication and the sport. Some medications can mildly impair physical or cognitive performance through their side effects; others are essentially neutral at 2.5mg. Athletes should expect to experiment with timing relative to training in the first weeks.
Products containing Tibolone
More on Tibolone
- With alcoholTibolone and alcohol — is it safe to drink?
- With foodShould Tibolone be taken with food?
- Side effectsTibolone side effects: common, rare and warning signs
- Dosage guideTibolone dosage guide: how much to take and when
- OnsetHow fast does Tibolone start working?
- DurationHow long does Tibolone last?
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.