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  1. W

    Estrogen Yo Yo

    I am starting a new thread because the other one became too long. It has been one month now. I started a month ago today. I have been consistent for the last two weeks with 60mg Test Cip EOD and 250iu of HCG E3D. The variable has been anastrozole. I started with .5 EOD for 10 days and tanked...
  2. W

    TRT effect on fat burning zone heart rate

    I am curious what effect TRT has on our fat burning heart rate zone. It changes with age, but does our t level effect it at all?
  3. W

    What is next?

    I started TRT on 12/29/16 Reasons: Extremely low energy /bouts of depression/ chronic muscle fatigue History: used self prescribed steroids from 1997 to 2000. Went well at first but then I Got extremely sick (flu) and never did it again. Since that time I have dealt with chronic...
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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