Nelson Vergel

Nelson Vergel

Nelson Vergel

Exercise for Men on Testosterone Replacement Therapy: The Complete Guide to Building Muscle and Losing Fat
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Introduction: Why Exercise Matters More on TRT Are you getting the most out of your testosterone replacement therapy? For many men on TRT, the answer is no—and the missing link is often a properly designed exercise program. While testosterone...
The Testobolome: How Your Gut Bacteria Control Your Testosterone
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What You Need to Know Scientists have discovered that the trillions of bacteria living in your gut don't just help you digest food—they also control how much testosterone your body has available to use. They're calling this system the...
L-Carnitine and CoQ10 for Male Fertility: Positive Placebo-Controlled Study Results
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L-Carnitine and CoQ10 for Male Fertility: The Complete Evidence-Based Guide to Improving Sperm Quality Curated By Nelson Vergel | ExcelMale.com | Updated January 2026 Introduction Could a simple combination of two naturally occurring compounds...
The Psychedelic Medicine Pipeline 2026
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The psychedelic drug development landscape has reached an inflection point in early 2026, with Compass Pathways achieving the first positive Phase 3 psilocybin trial results in June 2025, while Lykos Therapeutics' MDMA rejection has reshaped...
Options for Hair Loss Beyond Propecia
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Reversing and preventing hair loss can be a primary concern for many men and women who experience hair loss or thinning. Unfortunately hair loss can affect people at any point in their life, sometimes beginning in their 20s. According to the Mayo...
How long does hCG take to work in males? ExcelMale members share their experiences
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If you've spent any time on men's health forums, Facebook groups, or Reddit, you know the information surrounding HCG (Human Chorionic Gonadotropin) can be a dizzying mix of personal anecdotes, "bro science," and conflicting advice. It's a...
Death with Dignity Legislation Progress Across All U.S. States, Canada, Europe, & Latin America (Jan 2026 Update)
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COMPREHENSIVE ANALYSIS: Death with Dignity Legislation Progress Across All U.S. States (2025-2026) January 2026 EXECUTIVE SUMMARY As of January 2026, death with dignity (also called medical aid in dying or MAID) is experiencing significant...
What are the best blood pressure medications to avoid erectile dysfunction?
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Are your blood pressure medications affecting your erections? This is one of the most common questions men ask when prescribed antihypertensive therapy—and for good reason. Many men on testosterone replacement therapy (TRT) also require blood...
Retatrutide: The Next Generation Triple Agonist Transforming Weight Management
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Could a single weekly injection deliver unprecedented weight loss while preserving muscle mass and improving cardiovascular health? For men on testosterone replacement therapy (TRT) struggling with stubborn body fat despite optimized hormone...
hCG Plus TRT Testicular & Fertility Restoration Protocol
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This document synthesizes key findings on the use of Human Chorionic Gonadotropin (hCG) in men, either as an adjunct to Testosterone Replacement Therapy (TRT) or as a standalone monotherapy. By mimicking the body's Luteinizing Hormone (LH), hCG...
5 Surprising Truths About Protein and Muscle Growth That Science Just Confirmed
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If you've ever tried to figure out the right way to use protein for muscle growth, you've likely been buried under an avalanche of conflicting advice. From gym bro-science and supplement marketing to well-meaning but outdated tips, the noise can...
Sex Hormone Binding Globulin (SHBG): The Complete Guide for Men on TRT
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By Nelson Vergel | ExcelMale.com | Updated December 2025 When evaluating testosterone levels, most men focus exclusively on total testosterone—a single number that tells only part of the story. What many don't realize is that a protein called...
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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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