Anastrozole

$60 $54
Anastrozole is an anti-estrogen developed for the treatment of breast cancer. This drug is a third-generation selective oral aromatase inhibitor.

Performance

anti-oestrogen：

★★★★ ★

Muscle Gain：

★★★★★

Reduce Fat/Water：

★★★★★

Side Effects：

★★ ★★★

Sustained Effects：

★★★ ★★

SKU：

1mg/tablet × 60 tablets/bottle

Package：

tablet

Appearance：

oral

Dosage：

1 mg/ every other day

Cycle：

Throughout the cycle

Introduction:

Anastrozole is an anti-estrogen developed specifically for the treatment of breast cancer. It functions by blocking aromatase, thereby reducing the production of estrogen in the body. Since many types of breast cancer cells are stimulated by estrogen, decreasing the level of this hormone can help slow the progression of the disease. Estrogen is also the foundation of tamoxifen citrate (Tamoxifen®) therapy, but tamoxifen affects the activity of estrogen receptors in the body, not the internal production mechanism of estrogen. When taken at a dose of 1 milligram per day, which is typically one pill, anastrozole can significantly inhibit over 80% of estrogen synthesis in the user's body. Due to its profound impact on hormones, it is usually prescribed to postmenopausal women. Side effects such as hot flashes and hair loss may occur during treatment, which are more severe in premenopausal women. For male athletes using steroids, anastrozole can be used to counteract the side effects of synthetic anabolic/androgenic steroids that may lead to increased estrogen. Compared to traditional methods like tamoxifen and mesterolone, anastrozole is much more effective in controlling estrogen.


History:

Developed by AstraZeneca Pharmaceuticals, anastrozole was approved for use in the United States at the end of 1995. The drug was initially aimed at treating postmenopausal women requiring surgery for breast cancer, a field long dominated by tamoxifen. To alter this well-established trend, researchers used extensive data to develop anastrozole. Shortly after its release, anastrozole was used in a multicenter double-blind trial conducted in Rome. The trial, which assessed anastrozole against tamoxifen (both alone and in combination), involved 9,366 post-surgical, postmenopausal women with breast cancer. The results, published in 2002, indicated that anastrozole was more effective than tamoxifen in promoting recovery and improving life quality metrics, marking it as a new treatment for postmenopausal breast cancer patients. At that time, anastrozole also gained recognition for helping male bodybuilders and athletes suppress excessive estrogen, whether pre-existing or identified through clinical evaluations.


Specifications Offered:

Anastrozole is typically available in tablet form, with each tablet containing 1 milligram.


Structural Characteristics:

Anastrozole belongs to the class of non-steroidal aromatase inhibitors. Its chemical formula is represented as 1,3-Benzenediacetonitrile, a,a,a’,a’-tetramethyl-5-(1H-1,2,4-triazol-1-ylmethyl).


Side Effects:

Common side effects of using aromatase inhibitors include hot flashes, joint pain, weakness, fatigue, mood swings, depression, high blood pressure, swelling of arms/legs, and headaches. Aromatase inhibitors can also reduce bone mineral density, which may lead to osteoporosis and increased fracture risk in susceptible individuals. Some individuals may experience gastrointestinal side effects, including nausea and vomiting. Aromatase inhibitors can harm fetal development and should not be taken during pregnancy. When men use these drugs to reduce estrogenic effects from steroid therapy, aromatase inhibitors can increase the risk of cardiovascular disease because they reduce the beneficial properties of estrogen on cholesterol. Studies have shown that when aromatizable steroids like testosterone enanthate are used with aromatase inhibitors, the suppression of beneficial HDL cholesterol levels is significantly increased. Since estrogen receptor agonists/antagonists like tamoxifen typically do not have the same anti-estrogenic (detrimental) effect on cholesterol levels, they are often preferred by male bodybuilders and athletes concerned with cardiovascular health for maintaining estrogen levels.


Usage Guidelines:

Anastrozole is approved by the FDA for: 1) adjuvant treatment of hormone receptor-positive early breast cancer in postmenopausal women; 2) extended adjuvant treatment of early breast cancer in postmenopausal women who have received 5 years of tamoxifen therapy; 3) first-line treatment of hormone receptor-positive or unknown, locally advanced or metastatic breast cancer in postmenopausal women; and 4) treatment of advanced breast cancer in postmenopausal women after anti-estrogen therapy. The recommended dosage for all cases is 1 mg per day, continued until the disease progression stops. Male athletes and bodybuilders use it to reduce estrogenic side effects from synthetic anabolic/androgenic steroid use, typically taking 0.5-1 mg of anastrozole per day. In some cases, taking 0.5 mg every other day is sufficient to prevent estrogenic effects. When anastrozole is used with aromatizable androgens such as oxymetholone or testosterone, it can effectively reduce problems like gynecomastia and water retention. Additionally, anastrozole can lead to weight loss, which is linked to changes in estrogen levels and can significantly impact body composition, making it compatible with dieting plans.


Note that food does not affect the absorption of anastrozole, so it can be taken before, after, or with meals.


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