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  1. FunkOdyssey

    Why don't boys suffer hypogonadal symptoms?

    I'm wondering if anyone can help resolve a mystery I've been thinking about. We understand that the lack of testosterone in men can cause an array of non-sexual symptoms, including low energy, depression, anxiety, irritability, lack of drive/motivation, falling asleep after meals, difficulty...
  2. P

    Regaining fertility after 3 years of TRT, no hCG

    Hello, I am long time lurker on this forum but finally decided to make an account because despite excessive searching on the web, I am not sure what to do next. I am a male, 31 years old and have been on trt for the last 3 years now (125mg/week test-E everyday injections, no arimidex and no...
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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