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  1. M

    Androgel to Nebido switch, how to tapper it off.

    Hi there, Over here only Androgel and Nebido are available Currently using 4 pumps of Androgel. Doc decided to switch to Nebido 1ml/250mg every 2 weeks. I forgot to ask how to tapper the Androgel off. Doc is on vacation so can't reach him. Do i have to stop the Androgel after my first shot...
  2. M

    TRT, high/'normal T/FT, low SHGB, low E

    Hi there, greetings to you all. Sorry for my Englisch/misspellings. Englisch is not my native language. 43 y/o male I have used Finasteride and SSRI in the past. Which led me probably with Low T and low E. Don't wanna go too deep into this. There are much forums about these topics and they...
  3. M

    Help Low E on TRT

    Hi there, I am on Androgel now for nearly 6 months. It had upped my T levels, so far so good. But my E is extremely low. Prior TRT my E was also low and now still is. Even when i was above the range with T, my E was below the range. My SHBG is low normal. I have low E issues like low Libido...
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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