Letrozole 30 tab. (2.5 mg/1 tab.)


Letrozole from Hilma Biocare is an antitumor agent, a nonsteroidal selective inhibitor of the aromatase enzyme. It is widely used in medicine as part of postmenopausal therapy in women and in the treatment of breast cancer. With the help of Letrozole, athletes can almost completely suppress the level of estrogen in the body and protect themselves from aromatization.



It was recognized among athletes due to its strong anti-estrogenic properties and increased muscle relief. Similar to Anastrolose (Arimidex), its action is 5 times stronger, excluding side reactions from the use of anabolic steroids. Letrozole is able to suppress the level of estrogens in the body, almost completely preventing the increase in the level of estradiol.


  • Active half-life (days): 2-3 days
  • Dosage: 2.5 mg/tab.
  • Application (men): 0.5 to 1 mg for 1-3 days.
  • Retains water: No
  • Flavoring: None

Before using Letrozole, it is necessary to conduct a preliminary blood test. Leads to a colossal decrease in estradiol and increases the efficiency of your cycle. Letrozole is an anti-estrogen drug and is used as part of PCT.

Letrozole is also especially interesting for bodybuilders and athletes. First, it has been proven that it reduces estrogen levels by up to 98% or more. Obviously, this is of great interest to bodybuilders. In fact, lowering the level of estrogen in the body eliminates the side effects of steroids, such as water retention, gynecomastia, and acne. This makes Letrozole the best anti-estrogen on the market, even in very complex cycles. In addition, if you participate in bodybuilding competitions, letrozole helps to have lean and striated muscles.

The effective dose for letrozole is 2.5-5 mg per day.If you exceed this dose, there may be a risk of loss of libido. If the estrogen level is too low for a long time, it will lead to a weakening of the immune system.

It should be noted that letrozole can also be used in post-cyclic therapy to increase the level. Indeed, letrozole increases LH and FSH (hormones that stimulate the testicles to produce more testosterone).

Side effects

The most common side effects associated with taking Letrozole are rash, nausea, abdominal pain, fatigue, dizziness, headache, increased levels of low-density cholesterol and liver enzymes.


Dr. Mauro G. de Pascale writes in his book: it is assumed that estrogens formed during aromatization of testosterone and other anabolic steroids in parts of the brain and hypothalamus reduce the secretion of luteinizing hormone and, consequently, the production of testosterone. Goodmann and Hillmann report that the feedback mechanism is activated by the concentration of estrogen rather than testosterone. Thus, an explanation is given for the fact that Letrozole can significantly reduce the inhibitory effect of anabolic agents on the secretion of their own sex hormones.


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