Undecadrol 1 ampoule/4 ml (250 mg/1 ml)


Undecadrol from Balkan Pharmaceuticals is a long ester of the main male sex hormone Testosterone Undecanoate. It is used by bodybuilders and powerlifters to improve their athletic performance, build muscle mass, and burn subcutaneous fat.

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Testosterone undecanoate has the same properties as other esters of this hormone. Its main difference is that it is a long-acting steroid, after only the 1st introduction, the steroid acts on an even hormonal background for 2 weeks, which is why it is often used during eternal courses.


  • oil-based: yes,
  • retains water: yes,
  • flavoring: yes,
  • women: not recommended.

Steroid profile of Testosterone Undecanoate

  • the duration of the half-life is not less than 14 days,
  • the duration of action of the substance after the injection is not less than 21 days,
  • index of anabolic activity 100%,
  • index of androgenic activity 100%,
  • the degree of mutual contact with aromatase (aromatization) is high,
  • half-life: 3 months (active life 3 months),
  • detection time: 6 months,
  • conversion to dihydrotestosterone is present.

Effects of taking Testosterone Undecanoate

In the body, undecanoate turns into dihydrotestosterone, an active metabolite of testosterone, which means that the substance is actually a prohormone.

  • mass gain (taking into account a well-planned diet),
  • increased metabolic rate,
  • protection of muscle tissue,
  • reduces the risk of heart ischemia and coronary diseases,
  • increases libido and potency (possible reverse effect),
  • improves your strength
  • improves muscle relief,
  • increases energy
  • faster regeneration,
  • increase in collagen synthesis.
  • Application and dosage of Testosterone Undecanoate

    It is necessary to inject the drug strictly intramuscularly, preferably in the gluteal muscle. The optimal duration of the course is 10 weeks, but with the addition of gonadotropin, its duration can be increased. Such a period of reception is caused by the fact that the active substance accumulates in the body for a long time and starts working only 2-3 weeks after the start of administration.

    Dosages of Testosterone Undecanoate depend on the weight of the athlete. Athletes weighing more than 80 kg should be given 500 mg each. If the weight of the athlete is more than 90 kg, then it is necessary to enter 600-750 mg. Injections are given once every 14 days, this is enough for a high concentration of the hormone in the body. After the course, you must pass the PKT.

    Side effects

    With correct dosages and the absence of individual intolerance of the active component, the drug is not capable of causing side reactions, otherwise the following deviations in the body's work are possible:

    • increased blood pressure,
    • excessive excitability, aggressiveness and irritability,
    • acne,
    • excessive hair growth on the body and baldness on the head.

    Such side effects are temporary and often disappear after stopping the steroid.

    Contraindications to use

    Taking the drug is contraindicated in the following conditions:

    • metastases in bone tissue,
    • breast or prostate cancer in men,
    • diabetes,
    • high cholesterol and calcium in the blood,
    • high blood pressure, ischemic heart disease,
    • pulmonary embolism,
    • chronic thrombosis,
    • chronic diseases of the lungs, liver, kidneys,
    • visible lymph delay.

    The drug is contraindicated for pregnant and lactating mothers, as well as for persons with an abnormal increase in red blood cells.

    The substance is not recommended for people with hypersensitivity to synthetic testosterone, refined castor oil, benzyl benzoate.


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