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  1. M

    New Bloodwork After 2 Months on Pregnenolone, B Vitamins and no A.I.

    So long story short, after my last bloodwork I realised that I probably had adrenal issues that had to be addressed. My cortisol was lowish, progesterone was low and so was DHEAS. I felt tired, irritated and I was considering coming off TRT. I crashed my E2 like 4 times this year, mostly because...
  2. M

    Bloodwork For Low Libido

    So as the title says, I suffer from low libido. My protocol is 120mg split into two injections. I was taking arimidex but it made crash like 5 times so I quit about a month and a half ago and so far I feel fine. Apart from libido, TRT has been great for me and gave me more energy, aggression...
  3. M

    My Everlasting Battle With E2

    Hello everyone! I've been reading this forum for about 3 years, since I got on TRT. Short version of my story: I've been an athlete most of my life and I was competing on a semi-professional level since I was 23. I used steroids and pushed myself in training multiple times but I was always...
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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