Turinabol (Chlorodehydromethyltestosterone): Uses, Effects, Side Effects, and Safety Guide
What Is Turinabol?
Turinabol, also known by its generic name chlorodehydromethyltestosterone (CDMT), is a synthetic anabolic-androgenic steroid (AAS) developed in the early 1960s. It is a chemically modified derivative of testosterone designed for oral administration.
Historically, Turinabol was investigated for limited medical applications, but it became widely known due to its misuse in sports and athletics. Today, it is not approved for performance enhancement and is prohibited by major sporting organizations, including the World Anti-Doping Agency (WADA).
General information:

- Generic Name: Chlorodehydromethyltestosterone
- Common Name: Turinabol (Tbol)
- Drug Class: Anabolic-androgenic steroid (AAS)
- Dosage Form: Oral tablet
- Route of Administration: Oral
How Does Turinabol Work?
Turinabol binds to androgen receptors located in muscle, bone, and other tissues.
Its biological actions include:
- Increased protein synthesis
- Improved nitrogen retention
- Stimulation of red blood cell production
- Effects on muscle and bone metabolism
Like other anabolic steroids, Turinabol can suppress the body’s normal production of testosterone by reducing the release of luteinizing hormone (LH) and follicle-stimulating hormone (FSH).
Historical Background
Turinabol was first synthesized in East Germany and later became associated with the country’s state-sponsored sports doping program during the 1970s and 1980s. Since then, it has become one of the most recognized anabolic steroids in anti-doping history.
Potential Health Risks
Hormonal Effects
Turinabol may cause:
- Suppression of natural testosterone production
- Reduced sperm production
- Testicular shrinkage
- Reduced fertility
- Changes in libido
Recovery of hormone production after discontinuation varies among individuals.
Liver Effects
Because Turinabol is an orally active anabolic steroid, it is metabolized through the liver and may increase the risk of:
- Elevated liver enzymes
- Cholestatic liver injury
- Liver toxicity
- Rare cases of serious liver complications
Individuals with existing liver disease should avoid anabolic steroids unless specifically prescribed and monitored by a healthcare professional.
Cardiovascular Effects
Use of anabolic steroids such as Turinabol has been associated with:
- Reduced HDL (“good”) cholesterol
- Increased LDL (“bad”) cholesterol
- Elevated blood pressure
- Increased long-term cardiovascular risk
Long-term or high-dose exposure may increase the risk of heart attack or stroke.
Skin and Hair
Possible androgen-related side effects include:
- Acne
- Oily skin
- Hair thinning or male-pattern hair loss in genetically susceptible individuals
Psychological Effects
Some users have reported:
- Irritability
- Mood swings
- Aggression
- Anxiety
- Sleep disturbances
Responses vary between individuals.
Reproductive Health
Anabolic steroid use may affect reproductive function by suppressing normal hormone production.
Potential effects include:
- Reduced fertility
- Lower sperm count
- Temporary or prolonged suppression of testosterone production
Recovery may take weeks to months and, in some cases, longer.
Anti-Doping Status
Turinabol is listed as a prohibited substance by the World Anti-Doping Agency (WADA). Athletes who test positive may face suspension, disqualification of results, and other disciplinary actions.
Product Quality Considerations
Products obtained from unregulated or illicit markets may differ significantly in:
- Active ingredient concentration
- Purity
- Manufacturing quality
- Contamination risk
Counterfeit or mislabelled products present additional health hazards.
Frequently Asked Questions
Is Turinabol a testosterone product?
No. Turinabol is a synthetic anabolic steroid derived from testosterone but is a distinct chemical compound.
Does Turinabol increase natural testosterone?
No. It typically suppresses the body’s natural testosterone production.
Is Turinabol approved for bodybuilding?
No. It is not approved for improving athletic performance or physique enhancement.
Is Turinabol legal?
Its legal status varies by country. In many jurisdictions it is a controlled substance or requires a prescription.
Is Turinabol safe?
Like other anabolic steroids, Turinabol carries risks that include liver toxicity, cardiovascular complications, endocrine disruption, and reproductive effects. Use should only occur under appropriate medical supervision where legally indicated.
Final Thoughts
Turinabol (chlorodehydromethyltestosterone) is an oral anabolic-androgenic steroid with a significant historical role in medicine and sports. Although it has anabolic properties, its use is associated with important health risks affecting the liver, cardiovascular system, endocrine function, and reproductive health. Healthcare professionals generally recommend avoiding non-medical use because the potential harms outweigh the benefits.
Disclaimer: This article is intended solely for educational and informational purposes. It does not constitute medical advice or endorse the use of anabolic-androgenic steroids. Individuals with questions about hormone therapy or anabolic steroids should consult a qualified healthcare professional.




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