trt for life

  1. S

    TRT for life? My neighbor has questions.

    I’ve been on TRT for a few years with Defy Medical. I’ve learned a lot here, mostly just reading I turn 65 in a few days, but my neighbor is early 40s. He started TRT a while back with his PCP, not something like Defy. I’m concerned he’s gotten bad info. For one, they are having him come in for...
  2. K

    Is TRT a life long commitment for those who were not Hypogonadal?

    Hi guys, I've been thinking about those of us who started TRT therapy because of our low, but normal Total T numbers. Many of us showed symptoms of low T, but our numbers sat right at the average of low normal. In my case my numbers consistently sat in the 300's throughout my 30's and start to...
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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