Package: 1 vial (200mg/ml 10ml)

Active Substance: Drostanolone Enanthate

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Mastabol 200, also known as Drostanolone Enanthate, is a potent injectable anabolic steroid used by bodybuilders and athletes to enhance muscle definition and hardness. It is a derivative of dihydrotestosterone (DHT), making it a highly androgenic compound with moderate anabolic properties.


Mastabol 200 is primarily indicated for the treatment of breast cancer in postmenopausal women. It is often used as part of a comprehensive treatment plan to help manage and control the spread of estrogen-sensitive breast tumors. Additionally, Mastabol 200 may be prescribed to individuals suffering from muscle-wasting conditions, where it can help preserve lean muscle mass.


While Mastabol 200 can be beneficial for certain medical conditions, there are several contra-indications that should be considered before use:

  1. Pregnancy: Mastabol 200 should not be used during pregnancy due to potential harm to the fetus.
  2. Breastfeeding: It is not recommended to use Mastabol 200 while breastfeeding, as it may pass into breast milk and harm the nursing infant.
  3. Prostate Cancer: Individuals with prostate cancer or a history of prostate issues should avoid Mastabol 200, as it can exacerbate these conditions.
  4. Liver Disease: Mastabol 200 can be hepatotoxic, so individuals with liver disease or impaired liver function should use it with caution.
  5. Hypersensitivity: Individuals who are hypersensitive to Drostanolone Enanthate or any of the ingredients in Mastabol 200 should not use this medication.


Mastabol 200 is typically administered via intramuscular injection. The dosage and frequency of administration depend on the individual’s medical condition, age, and response to treatment. It is important to follow the prescribed dosage and administration schedule to achieve the best results and minimize the risk of side effects.

Medical Action

Mastabol 200 exerts its effects by binding to androgen receptors in the body. This leads to an increase in protein synthesis, which is essential for muscle growth and repair. Additionally, Mastabol 200 can enhance nitrogen retention in the muscles, leading to improved muscle mass and strength. Its androgenic properties also contribute to the development of secondary sexual characteristics, such as increased facial and body hair growth.


Before using Mastabol 200, it is important to take certain precautions to ensure safe and effective treatment:

  1. Regular Monitoring: Regular monitoring of liver function, lipid levels, and prostate-specific antigen (PSA) levels is recommended to detect any potential complications early.
  2. Liver Support: To minimize the risk of liver toxicity, it is advisable to use liver support supplements and avoid alcohol consumption while using Mastabol 200.
  3. Cardiovascular Health: Mastabol 200 can negatively affect cholesterol levels, so it is important to maintain a healthy diet and exercise regimen to support cardiovascular health.
  4. Prostate Health: Regular prostate exams are recommended, especially for older individuals, to monitor for any potential prostate-related issues.
  5. Women and Children: Mastabol 200 is not recommended for use in women and children due to its potential to cause virilization in women and disrupt normal growth and development in children.

Side Effects

While Mastabol 200 can be effective for certain medical conditions, it can also cause a range of side effects, including:

  1. Androgenic Side Effects: These may include acne, oily skin, and increased facial and body hair growth.
  2. Cardiovascular Effects: Mastabol 200 can negatively affect cholesterol levels, increasing the risk of cardiovascular disease.
  3. Liver Toxicity: Prolonged use of Mastabol 200 can lead to liver damage, so regular liver function tests are recommended.
  4. Hormonal Changes: Mastabol 200 can suppress natural testosterone production, leading to hormonal imbalances and potential infertility.
  5. Psychological Effects: Some users may experience mood swings, aggression, or irritability while using Mastabol 200.


In case of an overdose, immediate medical attention is required. Symptoms of Mastabol 200 overdose may include:

  1. Severe Acne: Excessive androgen levels can lead to severe acne breakouts.
  2. Hypertension: High blood pressure can occur, potentially leading to cardiovascular complications.
  3. Liver Damage: Overdose can exacerbate liver toxicity, leading to serious liver conditions.
  4. Virilization in Women: Overdose can cause irreversible virilization in women, including deepening of the voice, clitoral enlargement, and male pattern baldness.

Treatment for Mastabol 200 overdose is supportive and symptomatic, focusing on stabilizing the patient and addressing specific symptoms. There is no specific antidote for Mastabol 200 overdose.


Mastabol 200 from British Dragon Pharmaceuticals is a powerful anabolic steroid with both androgenic and anabolic properties. While it can be effective for certain medical conditions, its use should be approached with caution due to the potential for side effects and complications. By following the prescribed dosage and administration guidelines, as well as taking necessary precautions, individuals can safely use Mastabol 200 to achieve their treatment.


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