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  1. Nelson Vergel

    New Zealand does not let me give blood to decrease high hematocrit on TRT

    I really think all of you guys on TRT in New Zealand should start a letter writing campaign. In Aotearoa New Zealand the rules about who can and cannot give blood are drafted and maintained by the New Zealand Blood Service (NZBS | Te Ratonga Toto o Aotearoa), the Crown entity that collects...
  2. Nelson Vergel

    How U.S. Blood Banks Handle Therapeutic Phlebotomy for Men on Testosterone Replacement Therapy (TRT)

    https://www.excelmale.com/threads/where-to-get-therapeutic-phlebotomies-to-lower-high-hematocrit-in-the-u-s.29079/
  3. Nelson Vergel

    How U.S. Blood Banks Handle Therapeutic Phlebotomy for Men on Testosterone Replacement Therapy (TRT)

    How U.S. Blood Banks Handle Therapeutic Phlebotomy for Men on Testosterone Replacement Therapy (TRT) Blood centers have had to adapt their policies because the polycythemia/erythrocytosis that often accompanies TRT creates both medical need (frequent blood removal) and regulatory challenges (how...
  4. Nelson Vergel

    Taurine Deficiency in Sperm Cause of Male Infertility

    https://www.excelmale.com/threads/new-research-on-taurine-improving-hpta-hormone-axis.27266/
  5. Nelson Vergel

    New research on Taurine improving HPTA Hormone Axis

    https://www.excelmale.com/threads/taurine-deficiency-in-sperm-cause-of-male-infertility.14701/
  6. Nelson Vergel

    Taurine – What's It Good For?

    https://www.excelmale.com/threads/new-research-on-taurine-improving-hpta-hormone-axis.27266/
  7. Nelson Vergel

    Taurine – What's It Good For?

    We have only animal data https://www.excelmale.com/threads/can-taurine-help-prevent-testicular-atrophy-animal-data.17546/
  8. Nelson Vergel

    Cost Plus Drugs

    You can on ReliableRx or Wellness Gear - MedsBase.com
  9. Nelson Vergel

    Comparison of U.S. Clinical Guidelines on Hormone Replacement Therapy (HRT) in Women

    https://www.excelmale.com/threads/hormone-replacement-therapy-in-menopause-risks-benefits-myths.32689
  10. Nelson Vergel

    Optimizing Protein Intake for Muscle Growth

    https://www.excelmale.com/threads/this-is-what-everyone-gets-wrong-about-protein-building-muscle.30963/
  11. Nelson Vergel

    Experts Settle the PROTEIN Debate

    https://www.excelmale.com/threads/this-is-what-everyone-gets-wrong-about-protein-building-muscle.30963/
  12. Nelson Vergel

    Experts Settle the PROTEIN Debate

    https://www.excelmale.com/threads/optimizing-protein-intake-for-muscle-growth.30175/
  13. Nelson Vergel

    Experts Settle the PROTEIN Debate

    https://www.excelmale.com/threads/how-much-protein-should-you-have-a-day.21985/
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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