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Anastrozole is a drug of the aromatase inhibitor group used in bodybuilding as a means of preventing the aromatous effect (converting testosterone to estrogen) when taking anabolic steroids.

Effects of Anastrozole

The use of the drug is justified when athletes take steroids that are susceptible to aromatization. For example, Testosterone and Danabol. In addition to improving athletic performance, these drugs have a number of side effects that have already been mentioned. Taking drug on the AAS course allows you to achieve the following results:

prevent fluid retention;
suppress the active synthesis of female hormones;
stimulate the production of endogenous testosterone;
prevent testicular atrophy and gynecomastia;
improve muscle tone;
increase the level of anabolic hormones in the body;
avoid hypertension.
Taking the drug on a course of aromatizing steroids should be started immediately. This will allow for high-quality prevention.

Dosages and course of taking Anastrozole

For prevention (in bodybuilding): 0.25 – 0.5 mg every 3-6 days

(Depending on the tests for Estradiol).

For the treatment of gynecomastia: 1 mg every day until the symptoms disappear (then 0.5 mg every other day).

The optimal course of Anastrozole when using steroids

When using steroids with a short half-life (testosterone propionate, methandrostenolone): after 10 days of the course, take an analysis for estradiol and take 0.5 mg of Anastrozole every other day. Then, after 10 days, take another test for estradiol and adjust the dosage of Anastrozole according to their results.

When using steroids with long esters (enanthate, sustanon, cypionate): after 3-4 weeks of the course, take tests for estradiol and take 0.25-0.5 mg every 3-6 days of Anastrozole every other day. Then, after 10 days, take another test for estradiol and adjust the dosage of drug according to their results.

The dosage of Anastrozole can also be adjusted based on subjective feelings. If depression, erectile dysfunction, a drop in libido are observed during administration, then the dosage of Anastrozole should be reduced.

Side effects of Anastrozole

Exceeding dosages and abuse of aromatase inhibitors leads to excessive suppression of estrogen production and the following effects:

Inhibition of muscle growth;


Increasing cholesterol levels;

Joint pain;

Decreased bone strength.

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