Letrozole Bodybuilding

Letrozole (brand name Femara, but there are many others) is a very popular compound in bodybuilding. As with almost all other compounds out there, it was designed for some medical purposes, but later bodybuilders found the compound very helpful and effective for their needs. Most specifically, to lower the side effects caused by steroids and specifically – estrogen related side effects.

That’s because Letrozole is an orally active Aromatase Inhibitor (AI) and as any other AIs out there such as Aromasin (Exemestane) or Arimidex (Anastrozole)Letrozole is very helpful to lower serum blood levels of estrogen in the body.

In fact, Femara (Letrozole) is considered by far the most effective and powerful Aromatase Inhibitor (AI). It can lower estrogen levels much faster and to a greater extent compared to the other 2 AIs.


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Letrozole In Medical Settings and Off Label Use

FemaraLetrozole has been approved by FDA back in 1996 and is used for the treatment of estrogen receptor positive (ER+) breast cancer after surgery in post menopausal women. This is the main use of Letrozole medically, however, it can be used for other purposes too. For example, it can be used as a fertility drug because it has been proven effective for stimulating ovaries.

Because of its extremely powerful anti estrogenic properties, it can be used with other compounds in combination for early pregnancy termination.

In men, the compound can be offered for treating gynecomastia and if stacked with HGH, it may help adolescent boys grow taller. Other than that, it was noticed that Letrozole can be effective in promoting spermatogenesis in male patients too as it can boost the sperm count.

How Does Letrozole Work?

Letrozole can be used for all of those purposes as it works in just one way offering the same mechanism of action and results for everyone, regardless of your needs – reducing estrogen levels in the body. Exactly as any other Aromatase Inhibitor (AI) out there.

Letrozole is binding to the aromatase enzymes and is preventing estrogen from being released. As a result, the use of Femara (Letrozole) ends up in fewer estrogen levels in the body. That’s why it can be helpful for various needs when estrogen is the main culprit. Such as ER+ breast cancer, gynecomastia, and other needs earlier mentioned.

This compound is known to be extremely effective at crushing estrogen levels, as mentioned, is the most powerful AI.

  • It can reduce estrogen levels very much and very quickly – up to 98% in women and 65% in men.

Letrozole Bodybuilding Uses


Letrozole in bodybuilding is used for pretty much the same purposes as all other AIs out there – either for Post Cycle TherapyPCT plans (but that’s rarely) or for controlling estrogen levels during the cycle with steroids.

Nonetheless, Femara (Letrozole) can be used for emergency situations when estrogen related issues are getting out of control. Or when other 2 AIs fail to help to keep estrogen levels within normal range and deal with those issues.

Letrozole in bodybuilding is mostly used when the individual uses aromatized steroids. Those steroids are very likely to convert into estrogen. Especially when using them in high doses and/ or for long periods of time.

Aromatized steroids include all testosterone and nandrolone esters, Dianabol, Equipoise, and others.

Such steroids are converted into estrogen. Letrozole stacked with them allows users to continue using steroids and getting their benefits while controlling estrogen related issues.

  • High Estrogen related issues include: water retention, gynecomastia, bloating, high blood pressure, erectile dysfunction, affecting mood, fat gain, low sex drive, and others.

Low Estrogens With Letrozole

But on the other hand, too much of Letrozole in bodybuilding would lead to way too crushed estrogen levels. Users should aim to keep estrogen in the normal range, not to completely kill it. If doing so, other symptoms may appear which are quite nasty too.


  • Low Estrogen related issues include: affected cholesterol issues, dry/ painful joints, weakness and fatigue; erectile dysfunction, low sex drive, affected mood, and others.

Letrozole (Femara) is a very popular and very valuable compound among bodybuilders. Especially serious bodybuilders who are using high doses of aromatized steroids. Or if they use them for longer periods of time.

Nonetheless, people who are naturally prone to get too high levels of estrogen would appreciate the effects of Letrozole too. Anyone who finds themselves in emergency situations with high estrogen related issues would really love having Letrozole handy.


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For all these reasons, it is highly recommended to buy Letrozole and have it handy for your bodybuilding purposes. Even if you need Letrozole for medical settings – you would be happy purchasing Letrozole directly from We offer it for a very low price and the best quality possible.

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