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  1. L

    Rotating SubQ and IM

    Has anyone tried to rotate subq and IM if you are doing shots multiple times a week? If you have how has it been? Thanks!
  2. L

    HCG - Differences if Primary or Secondary?

    Isn't HCG effectiveness dependent on if you have primary or secondary?
  3. L

    Question Estrogen

    Hey All, Great site. I am new here and just started TRT. I did a few searches on here and on the internet but haven't really found an answer. Well found a few answers but none that really seemed to fully answer my question. Any so I was wondering when managing estrogen levels while on TRT is it...
  4. L

    Hi from Maryland

    Hey All, New to the site and to TRT. I just recently started my journey at 46. I did my first shot Saturday Subq self injection. I look forward to getting involved in the discussions and learning a lot
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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