low-t; testosterone; trt; hpta; lh; neurosteroids

  1. Systemlord

    I potentially have testicular torsion, testicles are twisting and rotating around each other a week after stopping TRT.

    I noticed today my testicles are moving again just as they did in 2019 after stopping TRT and earlier in life. My testicles are constantly moving, twisting and rotating around each other. I do have some testicular pain on and off. I'm starting to wonder if this was my original medical issue...
  2. madman

    Testosterone The Double Edged Sword (LH/neurosteroids)

    Testosterone deficiency can be a devastating condition associated with adverse emotional and physical conditions, but it should not be the first answer to the problem. Understanding that trauma induced neuroinflammation and medication such as Ibuprofen can cause testosterone deficiency. A...
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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