blood donation.

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    Hematocrit still high even after Blood donation!

    Hey guys, When I first started TRT one year ago with Royal mens medical., they said that if your RBC count/hematocrit go too high, you must do a blood donation to correct it. My blood donation was on July 19th, 2022. Below are the results of my first blood test AFTER this donation. As...
  2. J

    Restricted from blood donation from TRT

    This is a first. I have been donating for years on TRT but today I was restricted because I declared I was on TRT. is this new? Have any of you experienced this?
  3. R

    Blood after injection

    After injection my dose blood started from the injection site. I should have aspirate my mistake. Do I need to do another injection??
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    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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