Package: 1 vial (250mg/ml 10ml)

Active Substance: Testosterone Undecanoate

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Undecanoate 250 from Dragon Pharma, also known as Testosterone Undecanoate, is an injectable anabolic steroid that is widely used to treat conditions associated with low testosterone levels in men. This drug is highly regarded for its long-lasting effects and ability to provide steady testosterone levels in the body. In this comprehensive guide, we will cover all aspects of Undecanoate 250, including its indications, contraindications, administration, medical action, precautions, side effects, overdosage, and conclusion.


Undecanoate 250 is primarily indicated for testosterone replacement therapy (TRT) in adult men with conditions related to primary and secondary hypogonadism. Hypogonadism is a condition where the body does not produce enough testosterone, which can lead to symptoms such as fatigue, reduced libido, depression, and decreased muscle mass. By restoring normal testosterone levels, Undecanoate 250 helps alleviate these symptoms and improves overall quality of life.

Apart from medical uses, Undecanoate 250 is also utilized by bodybuilders and athletes to enhance muscle mass, strength, and performance. Its anabolic properties make it a popular choice for those looking to improve their physical capabilities.


While Undecanoate 250 offers significant benefits, it is not suitable for everyone. Several contraindications should be considered before using this drug:

  • Prostate Cancer: Men with known or suspected prostate cancer should not use Testosterone Undecanoate due to the risk of exacerbating the condition.
  • Breast Cancer: It is contraindicated in men with known or suspected breast cancer.
  • Liver and Kidney Disease: Individuals with severe liver or kidney disease should avoid this medication, as it can exacerbate these conditions.
  • Cardiovascular Issues: Those with a history of heart disease, stroke, or high blood pressure should use caution, as testosterone can affect cardiovascular health.
  • Pregnancy and Breastfeeding: Testosterone Undecanoate is contraindicated in women who are pregnant or breastfeeding due to the potential for masculinizing effects on the fetus or infant.

Individuals with a known allergy to testosterone or any of its components should also avoid using this drug.


Undecanoate 250 is administered via intramuscular injection. The standard dosage for TRT is 1000 mg every 10 to 14 weeks, depending on the individual’s testosterone levels and response to treatment. The injection should be administered by a healthcare professional to ensure proper technique and reduce the risk of complications.

For bodybuilding and athletic enhancement, dosages may vary significantly. Some users may take doses ranging from 250 to 1000 mg per week, divided into multiple injections. However, it is crucial to note that higher dosages increase the risk of side effects and adverse reactions.

Proper injection technique is crucial to avoid complications such as infections or injection site reactions. Always use a sterile needle and syringe, and ensure the injection site is clean. Rotating injection sites is recommended to prevent tissue damage and scarring.

Medical Action

Undecanoate 250 works by providing a steady release of testosterone into the bloodstream over an extended period. Testosterone is a naturally occurring hormone essential for the development and maintenance of male reproductive tissues, muscle mass, bone density, and overall well-being.

Testosterone Undecanoate is an esterified form of testosterone, which means it has a fatty acid attached to it. This esterification allows the drug to be released slowly and steadily from the injection site, maintaining stable blood levels and reducing the frequency of injections needed.

By restoring normal testosterone levels, Undecanoate 250 helps to alleviate the symptoms of hypogonadism, such as fatigue, low libido, and depression. In athletes and bodybuilders, it promotes muscle protein synthesis, nitrogen retention, and red blood cell production, leading to increased muscle mass, strength, and endurance.


Before starting Undecanoate 250, it is essential to undergo a thorough medical evaluation. This includes blood tests to assess hormone levels, liver and kidney function, and overall health status. Regular monitoring is necessary to track progress and detect any adverse effects.

Users should inform their healthcare provider of any pre-existing medical conditions, allergies, or medications they are taking to prevent potential drug interactions and complications. Testosterone Undecanoate should be used cautiously in individuals with a history of mental health disorders, as it can exacerbate conditions such as anxiety and depression.

Maintaining a healthy lifestyle, including a balanced diet and regular exercise, is crucial when using Undecanoate 250. Adequate hydration and proper nutrition help to support the body and minimize the risk of side effects.

Side Effects

Like any anabolic steroid, Undecanoate 250 can cause side effects. Common side effects include:

  • Androgenic Effects: Acne, oily skin, and accelerated hair loss in individuals predisposed to male pattern baldness.
  • Cardiovascular Issues: Increased blood pressure, changes in cholesterol levels, and a higher risk of heart disease.
  • Liver and Kidney Stress: Elevated liver enzymes and potential kidney strain, especially with prolonged use.
  • Mental Health Effects: Mood swings, increased aggression, anxiety, and insomnia.
  • Sexual Health: Suppression of natural testosterone production, leading to reduced libido and potential erectile dysfunction.

Less common but more serious side effects include gynecomastia (enlarged breast tissue in males), water retention, and increased risk of blood clots.

If any severe side effects occur, it is crucial to seek medical attention immediately. Adjusting the dosage or discontinuing the use of Undecanoate 250 may be necessary to mitigate adverse effects.


An overdose of Undecanoate 250 can lead to severe health complications. Symptoms of overdose may include extreme aggression, severe headaches, dizziness, nausea, rapid heart rate, and shortness of breath. In extreme cases, an overdose can cause life-threatening conditions such as heart attack or stroke.

If an overdose is suspected, it is essential to seek emergency medical assistance. Treatment typically involves supportive care and monitoring of vital signs. In some cases, medications may be administered to counteract the effects of excess testosterone.


Undecanoate 250 from Dragon Pharma is a powerful injectable anabolic steroid that offers significant benefits for men with low testosterone levels and for bodybuilders and athletes seeking muscle growth, strength, and enhanced performance. Its long-lasting effects and ability to provide steady testosterone levels make it a popular choice for testosterone replacement therapy and physical enhancement.

However, it is crucial to use Undecanoate 250 responsibly and under the guidance of a healthcare provider. Regular monitoring and adherence to recommended dosages help to minimize the risk of side effects and ensure optimal results. With proper use, Undecanoate 250 can be a valuable tool in achieving your health and fitness goals.

By understanding the indications, contraindications, administration, medical action, precautions, side effects, and potential for overdosage, users can make informed decisions about using Undecanoate 250. This comprehensive approach ensures that the benefits are maximized while minimizing the risks associated with this potent medication.

Undecanoate 250’s impressive ability to promote muscle growth, enhance strength, and support overall well-being makes it a popular choice among men seeking to improve their health and physical capabilities. As with any potent drug, responsible use and thorough understanding of its effects are essential to achieving the best possible outcomes.


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