Anastrozole timing of doses and labs

Vman

Member
Is there a standard dosing protocol for anastrozole? I've seen ED, EOD, twice a week, once a week and even once every two weeks.

How long does anastrozole stay in your system? Is there a point at which your E2 troughs relative to when you take a dose? Is there a certain time relative to dosing anastrazole that I should be getting my E2 labs done?

For example, if I am taking anastrozole in the morning twice a week (M, TH). Will my E2 levels be different depending on what day/time of day it is?
 
Is there a standard dosing protocol for anastrozole? I've seen ED, EOD, twice a week, once a week and even once every two weeks.

How long does anastrozole stay in your system? Is there a point at which your E2 troughs relative to when you take a dose? Is there a certain time relative to dosing anastrazole that I should be getting my E2 labs done?

For example, if I am taking anastrozole in the morning twice a week (M, TH). Will my E2 levels be different depending on what day/time of day it is?
 

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TRT Hormone Predictor

Predict estradiol, DHT, and free testosterone levels based on total testosterone

⚠️ Medical Disclaimer

This tool provides predictions based on statistical models and should NOT replace professional medical advice. Always consult with your healthcare provider before making any changes to your TRT protocol.

ℹ️ Input Parameters

Normal range: 300-1000 ng/dL

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Understanding Your Hormones

Estradiol (E2)

A form of estrogen produced from testosterone. Important for bone health, mood, and libido. Too high can cause side effects; too low can affect well-being.

DHT

Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth, prostate health, and masculinization effects.

Free Testosterone

The biologically active form of testosterone not bound to proteins. Directly available for cellular uptake and biological effects.

Scientific Reference

Lakshman KM, Kaplan B, Travison TG, Basaria S, Knapp PE, Singh AB, LaValley MP, Mazer NA, Bhasin S. The effects of injected testosterone dose and age on the conversion of testosterone to estradiol and dihydrotestosterone in young and older men. J Clin Endocrinol Metab. 2010 Aug;95(8):3955-64.

DOI: 10.1210/jc.2010-0102 | PMID: 20534765 | PMCID: PMC2913038

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