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  1. J

    TESTOSTERONE ONLY, NOTHING ELSE.

    I messed around with HCG and AI for a long time, and was on a constant roller coaster of too high and too low estrogen. I do 300mcg of HCG ED the last three days of the month, and the rest of the time it's test only (140mg/week divided into two IM shots). No AI - I'm convinced HCG was the root...
  2. J

    Introduction

    Thanks for the detailed reply here. I wasn't aware there was an elective blood test company available to us in Canada and will definitely look into it for SHBG and FT. Re: the SHBG test, my understanding is that levels of SHBG fluctuate a great deal in response to many different factors...
  3. J

    Introduction

    Long-time lurker here and follower of Dr. Crisler. I'm based out of the Greater Toronto Area. Been on TRT for about a year, Rx'ed 140mg/week, experimented with 100mg a week, and am currently at 120mg/week (60mg x 2). HCG 250mg 3 x week. I'm an overresponder to Arimidex, getting joint pain...
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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