Package: 10 ampoules (250mg/ml 10ml)

Active Substance: Testosterone Enanthate

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Testorox E250, also known as Testosterone Enanthate, is an injectable anabolic steroid produced by Zerox Pharmaceuticals. This guide will provide a detailed overview of Testorox E250, including its indications, contraindications, administration, medical action, precautions, side effects, overdosage, and a concluding summary.


Testorox E250 is primarily indicated for the treatment of male hypogonadism, a condition where the body does not produce enough testosterone. This can result in symptoms such as low energy levels, decreased libido, erectile dysfunction, loss of muscle mass, and depression. Testosterone Enanthate is used to restore normal testosterone levels in men, thereby alleviating these symptoms.

Additionally, Testorox E250 is used in hormone replacement therapy (HRT) for transgender men. It helps to induce and maintain secondary male characteristics such as facial hair growth, deepening of the voice, and increased muscle mass.

In the bodybuilding and athletic community, Testosterone Enanthate is popular for its anabolic effects, which include increased muscle mass, strength, and improved recovery times.


Testorox E250 is not suitable for everyone. The following conditions are contraindications for its use:

  • Known hypersensitivity to Testosterone Enanthate or any of its ingredients
  • Prostate cancer or breast cancer in men
  • Serious heart, liver, or kidney disease
  • Hypercalcemia (high levels of calcium in the blood)
  • Pregnancy or breastfeeding in women (although this is rare for a male hormone treatment)
  • Severe sleep apnea

Patients with a history of cardiovascular disease, blood clots, or those who are at high risk of developing these conditions should use Testorox E250 with caution and under strict medical supervision.


Testorox E250 is administered via intramuscular injection. The dosage and frequency of administration depend on the individual’s medical condition, testosterone levels, and response to treatment.

For male hypogonadism, the typical dosage is 50 to 400 mg every two to four weeks. For hormone replacement therapy in transgender men, the dosage may vary but generally falls within the same range.

Bodybuilders and athletes often use higher doses, typically ranging from 200 to 600 mg per week, divided into two or three injections. It is common to cycle Testorox E250 for 8 to 12 weeks, followed by a post-cycle therapy (PCT) to help restore natural testosterone production.

Medical Action

Testorox E250 (Testosterone Enanthate) is a synthetic version of the naturally occurring testosterone hormone. It plays a crucial role in the development and maintenance of male secondary sexual characteristics, muscle mass, bone density, and overall well-being.

Testosterone Enanthate is an esterified form of testosterone, which means it has a longer half-life and provides a sustained release of the hormone into the bloodstream. This makes it suitable for less frequent injections compared to other forms of testosterone.

The hormone works by binding to androgen receptors in various tissues, including muscle cells, where it stimulates protein synthesis, increases nitrogen retention, and enhances muscle growth. It also promotes red blood cell production, which improves oxygen delivery to muscles and enhances endurance.


While using Testorox E250, certain precautions should be taken to ensure safety:

  • Regular monitoring of testosterone levels, blood pressure, and lipid profiles to detect any adverse effects early
  • Monitoring prostate health through regular digital rectal exams and prostate-specific antigen (PSA) tests
  • Caution in patients with a history of cardiovascular disease, as testosterone therapy can increase the risk of heart attacks and strokes
  • Avoiding use in patients with untreated sleep apnea or severe breathing problems
  • Awareness of potential interactions with other medications, including anticoagulants and insulin

Athletes should also be aware of the anti-doping regulations in their sport, as the use of testosterone is banned in most professional and competitive sports.

Side Effects

Like any medication, Testorox E250 can cause side effects. Some common side effects include:

  • Injection site reactions (pain, redness, or swelling)
  • Acne and oily skin
  • Hair loss or increased body hair growth
  • Mood swings, irritability, and aggression
  • Gynecomastia (enlargement of breast tissue in men)
  • Fluid retention, leading to swelling in the hands and feet

More serious side effects can include:

  • Increased risk of cardiovascular events, such as heart attacks and strokes
  • Changes in liver function, including liver damage and liver tumors
  • Sleep apnea or worsening of existing sleep apnea
  • Changes in cholesterol levels, leading to an increased risk of atherosclerosis
  • Polycythemia (increased red blood cell count), which can lead to blood clots

Long-term use of high doses can lead to severe health issues, such as an increased risk of prostate cancer and infertility. Users should be aware of these risks and monitor their health regularly.


Overdosage of Testorox E250 can intensify the side effects mentioned above and may lead to severe complications, such as liver damage, cardiovascular problems, and hormonal imbalances. If an overdose is suspected, it is crucial to seek medical attention immediately. Treatment for overdose typically involves discontinuing the drug and managing symptoms through supportive care.


Testorox E250, or Testosterone Enanthate, is a powerful and versatile anabolic steroid used to treat male hypogonadism and support hormone replacement therapy in transgender men. It offers significant benefits for those looking to enhance muscle mass, strength, and overall physical performance. However, it is essential to use it responsibly and under medical supervision to minimize potential side effects.

Regular monitoring and adherence to recommended dosages can help mitigate risks. As with any medication, it is important to weigh the benefits against the potential health risks and to consider alternative methods for achieving fitness and health goals.

In summary, Testorox E250 is a valuable tool for those in need of testosterone therapy and for athletes seeking performance enhancement. However, its use should be approached with caution and responsibility. Understanding the proper use and potential risks of Testorox E250 can help users make informed decisions and achieve their goals safely. Remember, the key to success with any performance-enhancing drug is balance, responsibility, and a well-rounded approach to fitness and health.


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