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  1. I

    Nebido and Cypionate

    Hi all. Would like to get some feedback once again. Wondering if I could alternate between Nebido and Cypionate? I sub-q pin 4 times a week. Any feedback appreciated. Thank you!
  2. I

    Nebido Protocol? Good TRT Doc for International Patients?

    Hi there. I’ve written once before on this forum and received wonderful advice. Hoping for some feedback on this. I live in South America. I am on a weekly TRT dose of 105 per week. I sub-q 15 per day. Trusted testosterone sources out here are sketchy. I have been using Cooper pharm cypionate...
  3. I

    How do I come off TRT?

    I am hoping to find some guidance or personal experience when it comes to coming off TRT. I am about 7 months in to TRT. I take 100 mg of cypionate per week, subcutaneously. I pin 3 times per week to make up the 90mg. Sometimes I'll take 100mg a week. After about 6th week on TRT, I started HCG...
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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