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  1. Z

    Worst case of trying out TRT for 6 months?

    I'm trying to weigh the pros and cons of TRT, and I'm curious of any possible long term or permanent implications of a 6 month trial with TRT? It seems like 6 months is a good timeframe to assess what positive results may be experienced with TRT, but if I'm feeling nothing I'd probably just get...
  2. Z

    Wildly fluctuating T levels, what to believe and do I need TRT?

    As the title says, I've had 4 testosterone tests since August: 372 - 8am, fasting (traditional Dr's office lab) range is: 280-800 282 - 9am, not fasting (TRT clinic) range is: 201-993 220 - 9am, not fasting (TRT clinic) range is: 201-993 542 - 7am, fasting (different Dr's office lab from first...
  3. Z

    Do most user's TRT stories seem to be ultimately negative?

    I've recently been considering TRT because of my low blood test results at age 40 (372 and 282), but in a month of scouring the internet, reading this forum, reading blogs, etc., it seems like a majority of TRT users experience ultimately ends up in some way negative for whatever reason? The...
  4. Z

    Considering TRT based on bloodworkx2

    Hi All, 40 yr old new member here. After experiencing symptoms over the last decade or so (fatigue, brain fog, reduced libido and erection quality more recently) my primary care Dr. ran a bloodwork panel including Testosterone, which was done at 9am and fasting. Testosterone results were...
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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