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  1. 1

    Will t4 rise on it's on after stopping t3 med to lower rt3?

    Thought I would toss this out there since I haven't seen any threads that answers the questions - will T4 rise on its own after stopping Cytomel used to lower RT3? I started taking 20mcg day of Cytomel in March this year due to high RT3 of 28.1. Just completed my blood test for consult with...
  2. 1

    Question on EOD Injections VS 2 Times Wk To Keep HCT In Line

    I am currently having to have a phelebotomy every 8 weeks to keep HCT in range. My old protocol was .25 ml 2 times per week or 100 mg a week. Latest blood test on 2/2 showed ferritin at 40.1 Had a consult with my DR and he agreed EOD will lower HCT and suggested 18-20ml EOD with OK to go as...
  3. 1

    Bi Weekly T Shot Protocol Effect On SHBG

    I'm currently injecting 100mg (.5) 1xwk to help lower my estradiol E2. Was injecting 140 mg (.7) 1xwk prior to blood work taken on 4/28 for upcoming consult with Defy. Results of blood work showed Total T = 1411, Free T = 24.1 (1.7%) (6.6 - 18.1) estradiol sensitive 41.8 pg/ml ( 8.0 -35.0)...
  4. 1

    Prolactin High End (13.0 ng/ml (4.0 - 15.2) - Is Cabergoline Justified?

    I've searched many post about Cabergoline and at what Prolactin levels is it justified but - can't find any answers as to what blood test levels justifies its use. I know Gene has posted he is using this .5 BIW and that Dr. Shippen prescribes this to his patients on testosterone therapy with...
  5. 1

    Cialis Alternative Due to Side Effect - Levitra

    Thought I would get opinions of those of you who could not tolerate Cialis due to side effects and what works better with less side effects - generic Viagra or Levitra. I have tried the 5mg daily Cialis off and on for months now and first couple days are ok then the sinus stuffiness, body...
  6. 1

    New to ExcelMale - Longtime Reader

    Thought I would start by commenting how much I appreciate the wealth of medical advice and direction this forum gives. I started searching for answers when my Primary Care PA stated that she did not know what SHBG was on a routine detailed blood test I had done back in May 2014. It was 101...
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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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