blood

  1. T

    Did my doctor order the best test for me?

    Hi all, I got my first blood test back (pre trt) from quest diagnostics (image attached). I've looked through a lot of posts and videos and my test does not look like most tests I see online. Did my doc order the best test for me? I can see the testosterone is low (as I expected) but are...
  2. M

    Peculiar Blood Results - any ideas?

    Hey guys and thank you for your time. I am a 23 year old who signed up for TRT a year ago. I was hovering around 320 ng/dl. I tried Clomid but it murdered my already low sex drive, so I caved and started. I know the qualms of being on TRT at such a young age, but with dealing with a whole...
  3. A

    Basic Information on Blood donation

    "Give blood" redirects here. For other uses, see Give blood (disambiguation). Blood donation pictogram A blood donation occurs when a person voluntarily has blood drawn and used for transfusionsand/or made into biopharmaceutical medications by a process called fractionation (separation of...
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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