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  1. J

    Test results Testosterone / Thyroid / General Summary

    Hi guys, hope all is well. I eventually managed to get my endo to look closer at my thyroid. If any of you kind experts could give me some feedback it would greatly appreciated. Briefly, I am 34, in the UK, on Sustanon 250 every weeks since Dec 2014. Had been suffering fatigue, muscle loss...
  2. J

    Lab work on Sustanon 250. Feel nothing after 10 months

    Hi Guys, I'm posting here after discussing my case on the ******** group. But first let me explain myself. I was born with a mild case of the rare condition called Eagle-Barrett Syndrome. My main symptoms of this are half my abdominal muscles are missing and both testicles undecended. One is...
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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