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  1. K

    Anastrazole timings - twice a week or each time I inject?

    Hi there I posted a few months ago and took the advice to lower my dosages - thanks to those who advised. Currently on Sustanon, HCG and Anastrazole. This message isn't to have a debate on whether or not AIs are good or bad - we're all different and I understand that @Nelson Vergel doesn't want...
  2. K

    How long does it take for HCG to kick in, or am I being impatient?

    Hello. Newbie here, based in the UK. Excuse long post. I’ve been on TRT for a decade now, for secondary hypogonadism, with many ups and downs. That darn pituitary gland! I’ll cover my full story another day, in case it helps others, but only in the past two years have I had treatment that has...
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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