Letrozole is one of the most effective non-steroidal aromatase inhibitor drugs. It is popular in 65 countries. This drug is blocking properties to the aromatase enzymes.
Studies have shown that the drug can reduce the concentration of estrogen to 97%, which shows its high efficiency. But if you take the recommended doses, the concentration is reduced only to 76-79%, which is also good. Low levels of estrogen effects the reduction of disadvantages on the course, which is very important for athletes. Read more at https://letrozoleforsale.wordpress.com/