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  1. C

    Alternatives to Defy

    Hey there, Wondering if anyone knows of any alternatives to Defy for TRT clinics? My rx from Defy never made it to me and they are unfortunately refusing to send me more. 90 days with no TRT sounds like a terrible idea to me so I am looking for alternatives. Any suggestions would be greatly...
  2. C

    New(ish) member from Canada

    Hello all, I realize that I did this in the wrong order but I am looking to get some advice/help. I had previously posted about my journey with hypothyroid, hypogonadism and adrenal insufficiency here: New Member is Canada w/ pre-TRT bloodwork What I looking for now is help advice from other...
  3. C

    Starting NDT and follow up FT3 tests

    Hi all, Two days ago I started taking NDT (2 grains per day) and I am wondering how long I should wait to test my ft3 and ft4 to see changes. I have been taking body temps every day and tracking energy as well. Thanks Ken
  4. C

    New Member is Canada w/ pre-TRT bloodwork

    Hi guys, I’m a 24 y/o male from Canada. I exercise 6xx/week (3 lifting, 3 sports) and have been doing this for over 8 years. I’m 6’0 and 200lbs (prob about 20% BF). My problems all started about 7 years ago. I developed an eating disorder while trying to “cut” and lose some body fat. I had...
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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