Anastrozole is a breast cancer therapy only for women after menopause. It affects on estrogen level that causes a growth of cancer cells. It can reduce the number of estrogen-dependent cancer cells. Due to this, it prevents enhancement of the breast cancer. It is classified as a non-steroidal and potent inhibitor of the enzyme aromatase, which stimulates the transformation process of androgen into estrogen and later into estradiol. Anastrozole is used as an initial or first stage of breast cancer and so for an advanced stage of breast cancer, as for hormone receptor-positive breast cancer so for breast cancer in which hormone receptors are not known. It is also prescribed after negative effect of tamoxifen treatment. For the men, anastrozole can be used when testosterone level exceeds above normal. Because in the male body, testosterone converts into estradiol by the enzyme aromatase. And if testosterone therapy leads to a high level of estradiol that can cause unwanted feminizing effects. You can buy Anastrozole online on our website and we guarantee fast shipping to USA or UK and cheap prices.