Testosterone U 1 ampoule/4 ml (250 mg/1 ml)


Testosterone Undecanoate is actively used in sports practice by bodybuilders, powerlifters, weightlifters and weightlifters of all categories of athletes, where the main role in the formation of a beautiful physical form is played by muscle building and strength indicators. Also, the drug is used for medical purposes to treat men suffering from hypodynamism, suppression of natural testosterone production in the body.

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Action of Testosterone Undecanoate

The main active substance of the injectable steroid is the complex long ester of testosterone. Its distinctive feature is a stable, even hormonal background for 2 weeks after the injection. Testosterone does not have a high androgenic effect, so athletes rarely experience gynecomastia, fluid retention, and other negative estrogen-dependent side effects. To an insignificant degree, the drug suppresses the production of own testosterone.

The effect of taking Testosterone Undecanoate

Balkan Testosterone U is an indispensable drug for representatives of strength sports. Athletes use this injectable steroid to achieve the following positive effects:

  • increase in muscle mass,
  • strengthening of bone tissue and ligaments,
  • normalization of the formation of male sex hormones and a number of secondary male sexual characteristics, male-type hair growth, male facial features, a low tone of voice,
  • stimulation of spermatogenesis and improvement of sexual behavior, increased libido,
  • increase in phosphorus metabolism and normalization of the nitrogen balance,
  • increase in emotional state, raising mood, increasing stimulation for training,
  • acceleration of the production of erythrocytes, due to which the oxygen mass in the blood increases and, as a result, endurance.

To achieve the maximum effect from taking the steroid, do not forget about regular intensive strength training, diluted with cardio sessions. Also, do not forget about a special sports diet with a large amount of protein food, which will contribute to faster muscle growth.

How to take Testosterone Undecanoate

Despite the fact that the injectable steroid is active in the body for 14 days, an injection of balkan pharma testosterone undecanoate 250mg ml should be done once a week. One ampoule contains 4 ml of oil solution, one ml contains 250 mg of the active substance. The optimal duration of the course is 2 months.

Side effects

Testosterone undecanoate balkan at the correct dosages and in the absence of individual intolerance of the active component 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.


Professional athletes rarely use this drug on a solo course, but combine it with other steroids. But before taking it, it is necessary to rule out contraindications, which include:

  • neoplasms in the prostate gland, mammary gland,
  • high blood pressure,
  • hypersensitivity to the components of the drug.
  • It is undesirable for women to use this steroid due to the risk of virilization.


Due to the ability of the injectable steroid to a minor degree to affect the production of testosterone two weeks after the last injection, it is necessary to carry out post-course therapy using clomid or tamoxifen in dosages similar to the lightest course.


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