Nelson Vergel

The Prostate and Testosterone: Lecture by Dr Joseph LaBoissiere
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Dr. LaBoissiere: Thank you. I have kind of a booming voice so if it gets too loud, let me know and I will adjust the mic. It’s certainly a pleasure to be here. I am fairly new in terms of being a physician. I am a fellow and that’s always...

Male Excel is not Excel Male

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The EXCELMALE mark and EXCELMALE forum are not connected or affiliated with Male Excel, Inc., the MALE EXCEL mark, or any associated products and services.
Testosterone Therapy Risks: Short Video
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https://www.youtube.com/watch?v=IohHSowFZ1o&t=418s This short video covers risks of poorly managed testosterone therapy and its contraindications. Nelson Vergel is the founder of ExcelMale.com, DiscountedLabs.com, and author of books on...
Testosterone Replacement Therapy (TRT) Effect on Men's Fertility
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Testosterone Replacement Therapy (TRT) Effect on Men's Fertility men fertility sperm Testosterone replacement therapy suppresses spermatogenesis (sperm production) by reducing intratesticular testosterone and decreasing FSH through...
About Us
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Founder & Moderator: Nelson Vergel Nelson Vergel is a 61-year-old chemical engineer originally from Venezuela who, by his own necessity, has become a leading educator on hormone therapies and men's health. His search for cutting-edge health...

Miracle cures or modern quackery? Stem cell clinics multiply

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Excellent article to read if you know anyone thinking about using any of these clinics. "The treatments are not covered by insurance. Many of the clinics’ patients are old, sick and already struggling with medical bills. Some clinics urge...

Ten Percent Off Blood Tests on DiscountedLabs.com- No Doctor Visit- Most US Cities

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Buy Your Own Blood Tests Without a Doctor's Visit- Most US Cities- Over 18,000 Locations- Best Prices- We Email Your Results- Less than $32 for Cholesterol, Testosterone, Liver/Kidney Function, Thyroid, and More. Use Code: 10percentoff. Visit Us...
Is Clomid (Clomiphene) Effective to Increase Testosterone, Fertility and Sperm Volume?
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I am trying to save many of you time in searching important information in key posts. Here is a list of good posts related to Clomid (clomiphene). This drug is used for fertility issues. Some doctors prescribe it to increase testosterone. Many...
New Affordable ED Panel at Discounted Labs
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Price: $195 https://www.discountedlabs.com/ed-panel Tests included: Prolactin: High levels have been linked to ED and low libido. Total and Free Testosterone: Low levels have been linked to ED and low libido. Sensitive Estradiol...
ED Drugs Have Benefits Beyond Treating Erectile Dysfunction
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It’s been 18 years since the FDA approved sildenafil to treat men suffering from erectile dysfunction (ED). Under the well-known brand name Viagra, this “little blue pill” has grown to hold almost half of sexual dysfunction market share...
This Thursday: Estradiol in Men: Fake News and Realities
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From Jay: Super stoked to be doing a ******** Live Broadcast with Nelson Vergel on February 8th at 3PM PST in the Testosterone Men's Discussion Group! https://www.********.com/groups/testosteronereplacement/ Estradiol in Men: Fake...

The FDA Finds Over 10 Tainted Sexual Enhancement Products Per Month

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FDA has identified an emerging trend where over-the-counter products, frequently represented as dietary supplements, contain hidden active ingredients that could be harmful. Consumers may unknowingly take products laced with varying quantities 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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