sex hormone binding

  1. Z

    Question on labs

    So I got my lab results today Free T-17.7 TT-797 E2-35 (roche test) SHGB 36.1 PSA-.9 I have been having some libido issues along with a little bit of mood issues. 3 weeks ago I was great. Now, kind of in the middle. Having difficulty getting erections and maintaining. Sex drive is pretty low...
  2. Nelson Vergel

    Relationships of Circulating Sex Hormone–Binding Globulin With Metabolic Traits in Humans

    Relationships of Circulating Sex Hormone–Binding Globulin With Metabolic Traits in Humans Andreas Peter1, Konstantinos Kantartzis1, Jürgen Machann2, Fritz Schick2, Harald Staiger1, Fausto Machicao1, Erwin Schleicher1, Andreas Fritsche1, Hans-Ulrich Häring1 and Norbert Stefan1 1Department of...
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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