Basically the Letrozole is a drug that has been developed to fight against breast cancer by inhibiting the aromatization. It is generally used as part of an aggressive treatment in post-menopausal women, to fight and reverse the spread of breast cancer after other treatments have failed (such as tamoxifen). This is probably the most effective product on the market for this purpose currently, it is very similar in structure and action of his predecessor arimidex.
Letrozole also and especially a particular interest to bodybuilders and athletes. First, it was proved that reduce estrogen levels to 98% or more. This is obviously a huge interest for bodybuilders. In fact, less of estrogen in the body eliminates the side effects of steroids such as water retention, gynecomastia, and acne. This makes Letrozole as an anti-estrogen best on the market, even in very difficult cycles. Also, if you make the bodybuilding competitions Letrozole helps to have a dry and striated muscle.
The effective dose for letrozole 2.5 to 5 mg per day. If you exceed this dose, there may be a risk of loss of libido. More if you keep your estrogen levels too low for too long you will end up weakening your immune system.
It should be noted that letrozole, may also be used in post-cycle therapy for a raise. Indeed letrozole increases LH and FSH (which are hormones that boost your testes to produce more testosterone)
Letrozole is 2 to 5 times more potent than anastrozole (arimidex) and lasts lomtemps in the body, but takes some time to start. You need to take letrozole for 60 days to obtain a balance in the blood plasma.
Even more impressive, letrozole can reduce or eliminate an existing gynocomastie back!
In conclusion, letrozole is a complete anti-estrogen which protects during and after the recovery cycle, it eliminates the negative effects of steroids all by providing an aesthetic advantage on quality muscle.