CAS : 112809-51-5Synonyms:FEMARA;CGS-20267;LETROZOL;LETROZOLE;LetrozoleUsp28;Letrozole99%;CGS-20267, FemaraPurity:99%Appearance:White or light yellow crystalMolecular Formula: C17H11N5Molecular Weight: 285.31Melting Point: 181°C~183°CAnti Estrogen Bodybuilding Steroids Letrozole Femara White Powder CAS 112809-51-5Usage: Used as API in Treatment of breast disease.Recommended dose of Femara is one 2.5 mg tablet administered once a day, without regard to meals.Letrozole lowers estrogen levels in postmenopausal women, which may slow the growth of certain types of breast tumors that need estrogen to grow in the body.
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Anecdotally users have reported seeing good results using doses ranging from about .25mgs per day to .5mgs per day. However these doses do vary quite widely from user to user, including dosing schedules. Some have reported using the compound every other day or every third day with good results. Also, doses reported have ranged from .25mgs to as much as 2.5mgs per day.About the dosing, you need to make a choice in combination with your body condition, or consult your trainer / doctor. This article is for reference only.Letrozole in postmenopausal patients with advanced breast cancer whose Estrogen receptor and / or progesterone receptor positive or receptor status unknownFemara (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.1. Letrozole is a powerful Aromatase Inhibitor that was developed to fight breast cancer.2. For athletes and bodybuilders, it is a drug used to combat the estrogenic side effects of anabolic steroids water-retention, acne and gynocomastia.3. It will also raise testosterone levels because of the lowered estrogen in the body.4. Femara(generic name is letrozole) is a new drug developed for the treatment of advanced breast cancer in women.5. Femara is the second in a new class of third-generation selective oral aromatase inhibitors.6. It acts by blocking the enzyme aromatase, subsequently blocking the production of estrogen.In one male test subject Letrozole was able to reduce estrogen levels to undetectable levels. Letrozole is able to raise testosterone in male subjects.Letrozole (Femara) is used to treat breast cancer in postmenopausal women. Letrozole is often given to women who have been taking tamoxifen (Nolvadex, Soltamox) for 5 years. Letrozole is a non-steroidal aromatase inhibitor (lowers estrogen production).Letrozole is available in generic form. Common side effects include hot flashes, hair loss, joint/bone/muscle pain, tiredness, unusual sweating, nausea, diarrhea, dizziness, and trouble sleeping.The recommended dose of Letrozole is one 2.5 mg tablet administered once a day, without regard to meals.Other drugs may interact with Letrozole. Tell your doctor all prescription and over-the-counter medications and supplements you use. Letrozole must not be used during pregnancy. Letrozole may harm a fetus.Letrozole is used mainly in women after menopause. If you have recently gone through menopause, discuss birth control with your doctor. Do not use birth control containing estrogen. It is unknown if Letrozole passes into breast milk and may harm a nursing infant. Breast-feeding while using Letrozole is not recommended.1:Usual Adult Dose for Breast Cancer:For use as first-line treatment of postmenopausal women with hormone receptor positive or hormone receptor unknown locally advanced or metastatic breast cancer. Femara is also indicated for the treatment of advanced breast cancer in postmenopausal women with disease progression following antiestrogen therapy: 2.5 mg tablet orally administered once a day without regard to meals.In patients with advanced disease, Letrozole therapy should continue until tumor progression is evident.2:Usual Adult Dose for Breast Cancer - Adjuvant:For use as extended adjuvant treatment of early breast cancer in postmenopausal women who have received 5 years of adjuvant tamoxifen therapy: 2.5 mg tablet orally administered once a day without regard to meals.The optimal duration of treatment with Femara is not known. Treatment should be discontinued if there is a tumor relapse.