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  1. R

    Concerned over the rise in estradiol

    06/28/18 Testosterone, Serum 874 ng/dL 264 - 916 01 Free Testosterone(Direct) 27.9 High pg/mL 6.6 - 18.1 02 Estradiol, Sensitive 57.7 High pg/mL 8.0 - 35.0 02 01/22/18 Testosterone, Total, LC/MS 764.4 ng/dL 264.0 -...
  2. R

    3mo follow up blood work! comments?

    Protocol .35T M/W,400 HCG M/W, .15 AI M/W/ have not been taking the AI, was waiting to see these results. I think I need the AI 2x a wk.. Also I have just had major back surgery so some of my blood work may be out of whack from that. OCT 2017 results 381 T 10.3 FT ESTR SEN 27.3 SHBG...
  3. R

    Should I Stop Testosterone Before Surgery?

    Howdy Gents! I am currently in my first month of TRT. I would like a little input on TRT and Surgery. I have just been informed that I will be having a second fusion surgery, with removal of hardware from a first fusion surgery two yrs ago. I have not as of yet spoke with the surgeon, but will...
  4. R

    New Defy Patient Saying Hello

    Hello Gents, I just became a Defy patient, after 2yrs of ups and downs with a Urologist who thinks he knows how to treat a male with Low T. Testosterone shots once every two weeks, no HCG, then pellet implant twice. Blood work always taken after shots or pellet implant. Would not share blood...
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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