Once anastrozole reaches stead state, does E2 stay relatively constant all else equal?

Assuming one is on anastrozole for a a few weeks, would the E2 levels stay relatively constantly all else equal or does it continue to drive E2 down over time? Basically what I'm asking is how long does one need to be on anastrozole to know if they are on the right dose?
 
Well for me regardless if the dosage, E2 is always going down relatively fast.

I have seen guys on a particular dose for a while and it works and then all the sudden they're E2 goes down or up over many months.

There's no way to predict which direction E2 will go down the road. If being on TRT has taught me anything is I won't always be on the same dosage with regards to T or AI's.

What works now may not work later.
 
This is what I find so frustrating with the pills. At least the vial mix of cyp & anastrazole was exact. For some reason when I’m on the pills I have the same reaction OP is discussing. It’s almost like taking an AI is not the way to go, and to split dose to EOD really is the only solution. Not entirely sure myself yet.
 

hCG Mixing Calculator

HCG Mixing Protocol Calculator

TRT Hormone Predictor Widget

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

Predicted Hormone Levels

Enter your total testosterone value to see predictions

Results will appear here after calculation

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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