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  1. L

    Failing to Finish

    I should have noted that I do apply about 8mg of progesterone cream a day (to the boys), starting this summer. At first I felt it gave me a bit of zing but now less so. I did that on my own, from another forum's recommendation - not Defy. I have to say my last Defy consult was not great. It was...
  2. L

    Failing to Finish

    Hi CW, I've been with Defy since about February this year, so yes they definitely use the sensitive test. So last year, prior to Defy, my local Urologist/DO started me on pellets and my E2 reached 118. Starting Defy & subQ injections it came down to 37 but felt it was still too high, so they...
  3. L

    Failing to Finish

    Hi folks, I just turned 49, fit, ideal weight, no medical issues aside from low T. I'm current injecting T & HCG twice per week subQ and taking Anastrozole 3x per week. Labs show my T levels are 800-1100 and my E at 20. I've also recently started 2.5mg of Tadalafil a day to try & boost drive a...
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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