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  1. J

    Thinking about contacting Defy - some random thoughts

    Been feeling really sluggish recently, so much so that I feel almost tingly/hazy at time in the mid to later afternoons and evenings and its been keeping me from having any energy to work out. I got a full blood work up, including thyroid in Dec with my primary care and he said all numbers were...
  2. J

    Getting initial tests for low T?

    Hi all, 46 year old here and I've been tired lately. Its been really problematic getting energy to work out in the late afternoon/evening and my eyes are often hard to keep open after 7-8pm some evenings. I am on a high deductible insurance so normally don't go see the Dr unless its my once a...
  3. J

    Don't think generic Cialis and Viagara are working

    I've tried, unsuccessfully, a number of times, to use generic Cialis and Viagara from ADC. Has this happened to any of you? I will start off my saying these occurrences are always mixed with alcohol on a weekend nite. That seems to be the schedule the wife and I are on for many, many years...
  4. J

    Tadalafil and Sildenafil starting dosages?

    With the normal disclaimer that you should be wary of medical advice given on the internet...... I am ready to put in my first order with ADC and was thinking about trying Manly 100mg Sildenafil and 20mg Ceebis Tadalafil. I am a bit worried about trying the Sildenafil as weekend evenings I...
  5. J

    Going to order sildenafil online, should I try the others, too?

    Hi group, I recently saw my DR and got a script for Viagara, although when talking to him, he said he orders online from Canada (so do all his friends) and get these big bottles for a couple hundred bucks. When I actually heard the price for the real drug, I guess I see why. I have been...
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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