Benefits and side effects of Testosterone undecanoate

The problem of oral testosterone formulations was initially associated with a number of difficulties. The molecules of this substance were destroyed by the liver when ingested, and the concentration of the main male hormone in the body did not increase. Over time, however, a testosterone undecanoate developed that was not exposed to hepatic side effects.

Who is advised to take the drug

Testosterone Undecanoate is recommended for men suffering from such a disease as hypodynamics, which is manifested by low production of natural testosterone in the body. In addition, Testosterone Undecanoate was originally developed for such purposes, and only after a while its effects migrated mainly to the field of sports, which is quite natural, since bodybuilders and other strength athletes have always sought Testosterone esters. testosterone.

Therefore, it should be noted that for sports purposes it is better for powerlifters, powerlifters, powerlifters and bodybuilders to buy Test Undecanoate. That is, the same categories of athletes, which are important anabolic and androgenic indicators of this drug, affect the accelerated growth of muscle mass and the increase in physical characteristics.

It is also impossible to remember that Testosterone undecanoate can also cause side effects on the body of athletes, including: irritability and aggressiveness, acne, baldness on the head and increased body hair. Sometimes even athletes can experience an increase in blood pressure.

See info about Different Esters

How does Testosterone undecanoate work?

When absorbed through the lining of the digestive tract, testosterone undecanoate does not enter the bloodstream but enters the lymph, where it is converted to dihydrotestosterone. Despite oral administration, adverse effects on the liver can be avoided while maintaining high efficacy.

The benefits of testosterone undecanoate include the following effects:

  • increases the level of prohormones, so as to exclude excessive estrogen synthesis;
  • there is no risk of fluid accumulation in the body;
  • without gynecomastia as a side effect;
  • does not lead to the feminization of the male body.

Studies have shown that the intake of testosterone in the form of undecanoate does not adversely affect the function of the testicles, hypothalamus and pituitary gland.

How does testosterone undecanoate work?

How does testosterone undecanoate work?

Disadvantages and side effects

Testosterone undecanoate also has some disadvantages, the following can be distinguished:

  • The anabolic properties of the drug are weaker.
  • Athletes noticed only a slight increase in muscle mass on landing.
  • The bioavailability of the drug is also low – 7%.

For some this may be a disadvantage, and for others testosterone undecanoate may increase libido.

The usual dose is 240 mg daily. In case of overdose, the following side effects may occur:

  • excessive body hair;
  • hypersexuality.

Disadvantages and side effects

Athletes with liver, breast or prostate cancer should not take it. Testosterone undecanoate should also be used with extreme caution in patients with cardiovascular conditions such as coronary heart disease or heart failure.


The safety of the drug has not been studied in men and women over the age of 65, so testosterone undecanoate is not recommended for the elderly.

History of Testosterone Undecanoate

The determination of the dose of the drug is a completely individual parameter, since the dose depends more directly on the experience of the athlete with the use of anabolic steroids and his physical form at the time of the course. In any case, a prior consultation with a personal trainer or a sports doctor before starting a cycle of Testosterone U (Testosterone Undecanoate) is worthwhile.

Recommendations for use

The recommended dose of the steroid is 750 mg (3 ml) per muscle, then 750 mg (3 ml) per muscle at 4 weeks, then 750 mg (3 ml) per muscle every 10 weeks.

Since the half-life of the drug is long, the active substance reaches its maximum concentration in the body only towards the end of the 16-week cycle. For this reason, Testosterone Undecanoate is rarely used in the world of sports. Its primary use is as an alternative testosterone treatment for men with low levels of the naturally produced hormone in their bodies.

Testosterone Undecanoate can be used at the end of a long cycle. It is effective as a post-menstrual treatment as it helps the athlete’s body return to normal.

Drug Reviews Testosterone Undecanoate Athletes Bodybuilders

Testosterone Undecanoate does not need advertising as it has been known for more than 20 years and has received positive feedback from athletes. The latest study conducted at the Munich Technical Institute – Clinic for Dermatology and Allergology demonstrated the effectiveness of using testosterone oncanoate as a testosterone restorer.

In addition, the effects of taking the drug such as increased bone density, increased muscle mass, and treatment of late-onset hypogonadism in the elderly have been confirmed in clinical studies. Studies have also shown increased libido and improved mood in subjects who enjoy sports training and strength training.

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