Beyond Testosterone Book

The most comprehensive testosterone book
Beyond Testosterone | The Illustrated Guide by Nelson Vergel
New Release — 427 Full-Color Pages

Beyond TestosteroneThe Illustrated Guide

The most comprehensive, visually engaging guide to testosterone optimization—backed by 30+ years of clinical experience and insights from 42,000+ community members.

427
Pages
42K+
Community Members
30+
Years Experience
Beyond Testosterone: The Illustrated Guide by Nelson Vergel

A Living Resource for Hormone Optimization

More than a book—a comprehensive toolkit combining cutting-edge science, real-world experience, and community wisdom.

Evidence-Based Protocols

Comprehensive coverage of TRT diagnosis, treatment options, dosing protocols, and side-effect management backed by clinical research.

Full-Color Illustrations

427 pages of vibrant visuals, diagrams, and infographics that make complex medical concepts accessible and memorable.

Interactive QR Codes

Scan codes throughout the book to access updated online content, videos, and articles—keeping your knowledge current.

Community Insights

Distilled wisdom from 13+ years moderating ExcelMale.com—real experiences from thousands of men on their TRT journey.

For Patients & Clinicians

Written for both men seeking to optimize their health and healthcare professionals looking to enhance their TRT protocols.

Global Perspective

Treatment options available worldwide, including specialized sections in Spanish and expert interviews from international practitioners.

Nelson Vergel

Nelson Vergel

Chemical Engineer, MBA • Hormone Health Advocate • Bestselling Author

Nelson Vergel's journey into hormone optimization began over 30 years ago following an HIV diagnosis. Rather than accepting a grim prognosis, he dedicated himself to exploring cutting-edge therapies—ultimately saving his own life and countless others. His research has made him one of the world's foremost authorities on testosterone replacement therapy and men's health.

Founder of ExcelMale.com (42,000+ members)
NIH & FDA Advisory Panel Member
700+ Health Lectures Since 1987
Speaker for 14 Pharmaceutical Companies
Author: "Testosterone: A Man's Guide"
Co-Author: "Built to Survive"

What People Are Saying

I have been following Nelson Vergel's work for more than 20 years, beginning with the lifesaving book, Built to Survive. Beyond Testosterone is easy to consume and understand for all types of people—from patients to healthcare professionals. Consider this a direct line to the top minds in Men's Health medicine.

JK

Verified Buyer

20+ Year Follower

The layout is super user-friendly, with QR codes that link to updated info, making it more than just a book—it's a living resource. Nelson's experience really shines through in the way he explains complex topics without making them feel overwhelming.

RH

Verified Buyer

Healthcare Professional

Table of Contents

27 comprehensive chapters covering every aspect of testosterone optimization and men's health.

11Introduction
17How to Use This Book
19Testosterone 101
53Testosterone in Women
61How to Increase Testosterone Naturally
73Benefits of Testosterone Replacement
81Diagnosis of Hypogonadism (Low Testosterone)
93Testosterone Treatment Options
135Testosterone Side Effect Management
157Testosterone and the Prostate
167Testosterone and the Cardiovascular System
175Human Chorionic Gonadotropin (HCG)
199Estradiol: The Other Male Hormone
239Gynecomastia: Not a Simple Diagnosis
251Dihydrotestosterone (DHT): Should We Be Concerned?
259TRT-Related Acne and Hair Loss
269TRT-Related Water Retention and High Blood Pressure
275Erectile Dysfunction / Low Libido
301Clinical Use of FDA-Approved Anabolic Steroids
321Fertility and HPTA Recovery
343Growth Hormone-Releasing Products
357Thyroid Dysfunction: Diagnosis and Management
371Mental Health
375Nutritional Considerations
383Exercise Considerations
387Nelson's Tips for TRT Patients
393How to Monitor TRT Lab Tests
407La Testosterona: Información en Español
411Expert Interviews
415TRT Resources

Take Control of Your
Hormone Health

Whether you're a patient wanting to reclaim your vitality or a clinician seeking practical TRT protocols, this book is your indispensable guide.

Order Your Copy Today
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  • Published
    Dec 26, 2025
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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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HCG Mixing Protocol Calculator

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