- Purity99
- Country of OriginMoldova
We offer letrozol 2.5 mg manufacturer: balkan pharmaceuticals active ingredient: letrozole strenght: 2.5 mgtab about letrozole letrozole is a type ii (non-steroidal) third generation aromatase inhibitor. Clinically it is used to treat postmenopausal women with either estrogen receptor positive or estrogen receptor unknown breast cancer. in women, tumors that contain estrogen receptors are classified as estrogen receptor-positive (er+) tumors. For letrozole to be prescribed, a given tumor must have been diagnosed as estrogen receptor positive or estrogen receptor unknown. in the world of bodybuilding it is used to reduce or eliminate excess estrogen caused by the use of aromatizing steroids. background letrozole was originally sold under the brand name femara, and produced by the pharmaceutical house novartis. It was patented on july 25th, 1997. action letrozole is known as a type ii aromatase inhibitor, meaning, in simplest terms that it attaches to the aromatase enzyme and prevents it from converting androgens to estrogen. In slightly more complex terms, estrogens are produced by the conversion of androgens through the activity of the aromatase enzyme, and letrozole actually inhibits the production of estrogens in by competitive, (reversible) binding to the heme of the relevant cytochrome p450 unit. technical data letrozole is currently the most powerful aromatase inhibitor available. In women with breast cancer, it has been shown to reduce estrogen levels by 98% or more. However, its use and benefits are not limited to eliminating estrogen in women.