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  1. W

    Delays with Defy refill process

    That has happened to me as well. I refuse to pay for anything other than ground shipping now.
  2. W

    Icariins Question

    You could try liftmode dot com. I have been happy with the products I have purchased from them, including icarrin.
  3. W

    im needle length

    I alternate glutes with a 22g 1.5" and have never had any complaints.
  4. W

    Your Experience with Defy

    I have been with Defy since October '15. They have helped me more in the three or so months that I have been a patient with them than my PCP and Endo did in the previous 2 years. Do yourself a favor and schedule your initial work up and consult. The associated costs are very reasonable, so...
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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