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  1. aaghabegian

    current protocol for preserving testicular function with TRT

    What's the current protocol for preserving testicular function with TRT
  2. aaghabegian

    IM vs. SC

    advantages and disadvantages of Cypionate IM vs. SC as far as the effect on testosterone levels. Is there is difference?
  3. aaghabegian

    Allergic to cotton seed oil

    So I found out that I’m allergic to cotton seed oil. Would anyone happen to know manufacturers of testosterone that use other oils such as sesame oil. Most of them seem to have gone to using cotton seed oil only. Thanks so much Armen
  4. aaghabegian

    Site Reaction

    Hello everyone, I’m honored to be on this site and thank you Mr. Vergel for all the education through your excellent books. I am a Physician Assistant practicing in CA and have been on TRT for about 11 years. My treatments began 11 years ago with a few IM injections that I could not tolerate due...
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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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