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112809-51-5 Letrozole Femara Anti Estrogen Steroids for Cancer Treatment And Bodybuilding

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112809-51-5 Letrozole Femara Anti Estrogen Steroids for Cancer Treatment And Bodybuilding

Brand Name : Letrozole Femara
Model Number : Letrozole Femara
Certification : GMP/ISO9001
Place of Origin : China
MOQ : 1g
Price : Negotiation
Payment Terms : L/C, T/T, Western Union, MoneyGram
Supply Ability : 10000kg/month
Delivery Time : Within 48 hours after payment confirmed.
Packaging Details : Customized
Name : Letrozole, Femara
CAS : 112809-51-5
MF : C17H11N5
Melting point : 181-183°C
storage temp. : -20°C Freezer
solubility : DMSO: >50mg/mL
color : white to off-white
Chemical Properties : white to light yellow crystal
Uses : A nonsteroidal aromatase inhibitor structurally related to Fadrozole. Antineoplastic
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112809-51-5 Letrozole Femara Anti Estrogen for Cancer Treatment And Bodybuilding


Letrozole / Femara Description


Letrozole (trade name Femara) is an oral aromatase inhibitor (AI) used in the treatment of hormonally responsive breast cancer after surgery. The FDA approved its use in post menopausal women who show hormone receptor positive types of breast cancer. It was banned in India in 2011 due to potential risk to infants when used in women who are pregnant; however, a Canadian study done by the American Society of Reproductive Medicine showed no evidence of birth defects. As a result, it remains legal in the rest of the world.


Letrozole / Femara Use


Letrozole (letro) has many uses which have recently been discovered. Aside from its female breast cancer use (typical of all AI's), letro has off-label uses in medicine. Since 2001, the main off label usage has been as a fertility drug because of its ability to stimulate ovaries. Another use, because of its strong anti-estrogen properties, is to use in a stack with misoprostal for early pregnancy termination. It also has off label use as a treatment for gynecomastia, and it's used in a stack with growth hormone to help adolescent boys grow taller. It even promotes spermatogenesis in male patients (boosting sperm count). Femara is fairly inexpensive, which makes it a unique and versatile drug.


Since letrozole is such a powerful AI, it can be a great weapon to combat emergency situations, where estrogen related sides get out of control. When an anabolic steroid user uses compound such as testosterone, dianabol, deca durabolin,equipoise etc; they will aromatize in the body and convert to estrogen. This can result in multiple estrogen side effects such as water retention, which has a domino effect and can effect your libido, sleep, blood pressure, and energy. Another dangerous estrogen side effect is gynecomastia (bitch tits), which, if left untreated, can require expensive and invasive surgery. For this reason, it is crucial to run an aromatase inhibitor if you use aromatizing steroids during your cycle.


How does Letrozele / Femara work?


Similar to all aromatase inhibitors (AIs), letrozole, by binding to the aromatase enzyme, prevents estrogen from being released. It is known as a type II aromatase inhibitor.

It is the most powerful AI available; in fact, studies have shown it to drops estrogen levels in women by up to 98%. In men, clinical studies have shown a drastic reduction in estrogen levels very quickly of up to 65%. The main reason may be because it has the ability to crush estrogen through competitive/reversible binding to the heme of the relevant cytochrome P450 unit (protein enzyme).


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Whatsapp:+ 86 188 7222 0802
Skype: yolanda8582

Letrozole vs Aromasin and Arimidex


Letrozole is not a suicide aromatase inhibitor, meaning it will not permanently disable the aromatase enzyme, so it is not the same as aromasin. The other difference is letro is far more powerful at crushing estrogen levels than either aromasin or arimidex. I would use it in emergency situations over the others, but I wouldn't abuse it.


Letrozole Dosage and Half-Life


The half life is approximately 2-4 days. Dosages vary quite a bit, 0.25mg up to 1mg every day or every other day is a good starting dose. It's best to be conservative with the dosage because if you overdose the sides can be harsh.


Anti-estrogen
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Exemestane(Aromasin) (CAS: 107868-30-4)
Anastrozole (Arimidex) (CAS: 120511-73-1)
Letrazole(Femara) (CAS: 112809-51-5)




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