Nelson Vergel

Nelson Vergel

Nelson Vergel

HCG Use in Men on TRT or as Monotherapy: Over 200 Questions and Answers
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I collected questions and answers posted on ExcelMale.com in the last 10 years about the use of human chorionic gonadotropin in men who want to prevent loss of testicular size and fertility while on testosterone replacement therapy or that want...
Penile Implants: Q & A with Robert J. Cornell, M.D.
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Q & A with Robert J. Cornell, M.D.: Prosthetic Urology and Men's Health Specialist Robert J. Cornell, MD specializes in the treatment of genitourinary disease in both adult men and women. Dr. Cornell's areas of expertise include treatment of...
Oral Minoxidil for Hair Loss
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Doctors are increasingly using oral minoxidil, traditionally a high blood pressure medication, as an off-label treatment for hair loss. Erika Murawski, who suffered from hair loss since high school, experienced significant improvement after being...
Lab Tests to Monitor Testosterone Replacement Therapy: Free Booklet Download
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Click on the image below for a free download Recommended Lab Tests Before Starting and While on TRT By Nelson Vergel Aug 2024 This article has clickable links shown in blue. Testosterone Replacement Therapy (TRT) has changed the lives of...
BPC-157 Dosage: Maximize Benefits with Proper Use
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If you're looking for a powerful healing peptide, BPC-157 might just be the answer. In this blog, we will delve deep into the world of BPC-157 Peptide and explore its benefits, dosage recommendations, and even its legal status. We will start by...
Prolactin: Should Men with Erectile Dysfunction Be Tested ?
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Prolactin: Should Men with Erectile Dysfunction Be Tested ? Prolactin is a hormone produced in the pituitary gland that is known for supporting lactation in women but also have many other functions on immune response, myelin coating on nerves...
Optimizing Oral Testosterone Undecanoate (Kyzatrex) TRT: All You Need to Know
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Transcript: Nelson Vergel: Hello, everybody. Nelson Vergel here with ExcelMale.com and DiscountedLabs.com. I'm very honored today to have one of the top urologists here in Texas. He's in Dallas, Dr. Andrew Sun. He's actually in Arlington, north...
Tirzepatide vs Semaglutide: Pros and Cons
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Tirzepatide and semaglutide are both injectable medications used for weight loss and type 2 diabetes management, but they differ in their mechanisms of action and effectiveness. Here's a comparison of the two drugs: Mechanism of Action...
Interview with Shalin Shah, CEO of Marius Pharmaceuticals, on Kyzatrex: An Oral Testosterone Treatment
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Nelson Vergel from ExcelMale.com and DiscountedLabs.com interviews Shalin Shah, CEO of Marius Pharmaceuticals, about Kyzatrex, an oral testosterone treatment. They discuss the treatment, misconceptions, unique aspects, potential side effects...

The Story of Dr Michael Dullnig- An Anabolic Pioneer

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I am happy to be alive to confirm all this truly happened. Knowing him saved my life. It was June 1st, 1994. Dr. Michael Dullnig’s guests were having a great time drinking champagne, listening to music, and talking with the guest of honor – the...
Post-cycle therapy is linked to fewer withdrawal symptoms from anabolic steroid use: A survey of 470 AAS users.
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Introduction The world of sports and bodybuilding often brings to the forefront the use of anabolic androgenic steroids (AAS), substances that can enhance performance and muscle growth. However, the use of these steroids is not without risks...
The FDA Ended Your Access to More Economical hCG and FSH
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UPDATE ON DECEMBER 1, 2021: The FDA has just made it a lot more difficult for couples seeking fertility to start a family. They have shut down the only affordable access to fertility hormones made by compounding pharmacies for over 40 years ...
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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