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  1. Nelson Vergel

    Arimidex daily vs twice weekly

    Arimidex has not been shown to decrease hCG induced bloating caused by water retention. You can try twice per week diuretics, decrease alcohol, sugar and salt intake, try to sweat more, and drink more water. Water retention happens because androgens in general decrease the way kidneys eliminate...
  2. Nelson Vergel

    Controversies with Testosterone Therapy - Management of Erythrocytosis and Elevated Estradiol

    Great graphics. Unfortunately, not a great job on showing more data on estradiol benefits. At least he mentions some of the risks of overtreating estradiol. Also, never addressed what “ treat based on symptoms” means. Most symptoms blamed on high estradiol have nothing to do with E2.
  3. Nelson Vergel

    Post-Finasteride Syndrome

    More data : Finasteride: Suicidality and Psychological Adverse Events in Men Taking Propecia or Proscar - Excel Male Health Forum
  4. Nelson Vergel

    Post-Finasteride Syndrome

    More proof: Decades of Studies Link Suicide Risk With Common Hair Loss Treatment
  5. Nelson Vergel

    Post-Finasteride Syndrome - Does It Really Exist?

    Yes, it does. Decades of Studies Link Suicide Risk With Common Hair Loss Treatment
  6. Nelson Vergel

    Modulation of circulating free testosterone fraction by T, DHT and estradiol during TRT

    I met Dr Bhasin in 1994 during my meetings at the NIH discussing his 600 mg per week T study. What a great and unassuming man! I consider THE main researcher in the androgen field.
  7. Nelson Vergel

    Kidney Function 101

    Good recent data on TRT and kidneys : Testosterone therapy is associated with reduced risk of acute kidney injury, kidney failure with renal replacement therapy, and cardiovascular events in men with diabetes and hypogonadism - Cardiovascular Diabetology
  8. Nelson Vergel

    List of Over 65 Peptides, Their Use, and Common Dosages

    I updated the first post with references. It still needs some cleaning up that I will do later.
  9. Nelson Vergel

    Pros & Cons of GLP-1 Weight Loss Drugs

    I tried Tirzepatide and definitely experienced this : https://www.medscape.com/viewarticle/when-glp-1s-change-patients-libido-what-know-2025a1000pal
  10. Nelson Vergel

    Impact of TRT and Supraphysiological Testosterone Doses on Biological Aging

    I agree that higher doses can make you look puffy with water retention. Facial skin may look more "greasy". Skin may get thicker. And some men may have hair loss. But in general, we look more buff, we lose fat, and get more confidence (which always makes one look better if we do not become...
  11. Nelson Vergel

    Where to get HCG nowadays?

    Shipments have been resumed
  12. Nelson Vergel

    Erectile Dysfunction Treatment: Penile Implants

    https://www.excelmale.com/threads/current-devices-outcomes-and-pain-management-considerations-in-penile-implant-surgery.29959/
  13. Nelson Vergel

    Erectile Dysfunction Treatment: Penile Implants

    https://www.excelmale.com/threads/the-complete-guide-to-penile-implant-surgery-penile-dysfunction-treatment.30980/
  14. Nelson Vergel

    Nelson Vergel, Founder of ExcelMale.com

    BOOKS of Amazon: Amazon.com
  15. Nelson Vergel

    Nelson Vergel, Founder of ExcelMale.com

    More interviews here: Expert Interviews - Excel Male Health Forum
  16. Nelson Vergel

    Nelson Vergel, Founder of ExcelMale.com

    Very personal interview of Nelson's life: Resilience, Testosterone and Anabolic Steroids: Interview with Nelson Vergel - Excel Male Health Forum
  17. Nelson Vergel

    BPH Treatments: Innovative New Technologies

    https://www.excelmale.com/threads/advances-in-surgical-therapies-for-bph.30863/
  18. Nelson Vergel

    Nelson Vergel, Founder of ExcelMale.com

    Nelson Vergel: A Life Dedicated to Health Advocacy and Education Early Life and Education Nelson Vergel was born on February 12, 1959, in Maracaibo, Venezuela. He studied chemical engineering at McGill University in Montreal, Canada, on a full scholarship, graduating in 1981. In 1987, Vergel...
  19. Nelson Vergel

    Anyone have examples of TRT pharmacokinetic charts?

    Based on my search through the ExcelMale website, I found several testosterone pharmacokinetic charts and data points. Here's what I discovered: Key Testosterone Pharmacokinetic Data from ExcelMale 1. This case study measured testosterone absorption at multiple time points after scrotal...
  20. Nelson Vergel

    The FDA Has Banned Compounded HCG— NuCare Pharmaceuticals Says Clinics Still Using It Could Face Serious Consequences

    https://www.excelmale.com/threads/the-fda-ended-your-access-to-more-economical-hcg-and-fsh.19942/
  21. Nelson Vergel

    AVAILABILITY OF GONADOTROPIN THERAPY FROM FDA-APPROVED PHARMACIES

    Market Overview The U.S. hCG market shows strong fundamentals with total sales growing from $1.14 billion in 2022 to $1.30 billion in 2024 (13.9% overall growth), despite a temporary contraction in 2023. Manufacturer Market Share Leaders (2024): Fresenius Kabi USA- 43.2% market share...
  22. Nelson Vergel

    Experience with HCG from Reliable Rx?

    No. They make it seem like you do, but don’t fall for it and omit any doctor info.
  23. Nelson Vergel

    Impact of TRT and Supraphysiological Testosterone Doses on Biological Aging

    Deep Dive: Impact of Supraphysiologic Doses of Testosterone on Cellular Aging in Hypogonadal Men Introduction The relationship between testosterone and cellular aging represents a complex biological paradox. While testosterone replacement therapy (TRT) has demonstrated benefits for hypogonadal...
  24. Nelson Vergel

    Impact of TRT and Supraphysiological Testosterone Doses on Biological Aging

    FOR TRT (I used Claude.ai). Normalizing testosterone and estradiol in men with low T. Deep Dive: Impact on Cellular Aging of Normalizing Testosterone and Estradiol Blood Levels in Hypogonadal Men Executive Summary The relationship between hormone replacement therapy (HRT) in hypogonadal men...
  25. Nelson Vergel

    List of Over 65 Peptides, Their Use, and Common Dosages

    To be honest, I think tirzepatide plus TRT would be better for fatty liver. But try tesamorelin. I hope it’s not too expensive. How is Lipshultz going to measure your fatty liver progress ?
  26. Nelson Vergel

    List of Over 65 Peptides, Their Use, and Common Dosages

    That statement is from its FDA approved indication, that’s all. It does not include any other off label uses.
  27. Nelson Vergel

    Accutane Erectile Dysfunction: Facts to Know

    Very unexpected data about Accutane improving fertility : Treatment with isotretinoin can improve de novo sperm production in nonobstructive azoospermia or cryptozoospermia - Journal of Assisted Reproduction and Genetics
  28. Nelson Vergel

    Tripcheck Psychedelic Support

    Where you can find professionals for psychedelic therapy in your area: Clinician Directory - MAPS
  29. Nelson Vergel

    Tripcheck Psychedelic Support

    They will check on you during a psychedelic experience : Fireside Project Launches TripCheck: First-of-Its-Kind Scheduled Check-In Service for Psychedelic Journeys
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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