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The Leading Men's Health Forum for Testosterone Optimization & Hormone Wellness

Welcome to ExcelMale.com — the most trusted, expert-moderated community for men seeking evidence-based guidance on testosterone replacement therapy (TRT), hormone optimization, and total wellness. Since 2010, we've helped thousands of men take control of their health.

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Navigating testosterone replacement therapy and hormone health can be overwhelming. Conflicting information, outdated medical advice, and unqualified opinions flood the internet. ExcelMale.com was created to cut through the noise — providing a rigorously moderated space where men share real experiences, backed by clinical research and guided by genuine expertise.

Whether you're exploring TRT for the first time, optimizing your current protocol, managing side effects like elevated hematocrit or estradiol, or seeking to preserve fertility with HCG therapy, our community offers the knowledge and support you need. We discuss everything from injection frequency and bloodwork interpretation to lifestyle factors that affect testosterone levels.

"I founded ExcelMale after decades of personal experience with hormone optimization and seeing how difficult it was for men to find reliable, science-based information. Every man deserves access to knowledge that can transform his quality of life."

— Nelson Vergel, Founder & Author of Testosterone: A Man's Guide

Nelson Vergel brings over 20 years of clinical research experience, having worked with major pharmaceutical companies and authored definitive guides on testosterone therapy. As founder of DiscountedLabs.com and a recognized expert in men's health advocacy, Nelson ensures every discussion on ExcelMale meets the highest standards of accuracy and usefulness.

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Testosterone replacement therapy and its effect on bone marrow
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Table of Contents Abstract Introduction TRT in men with testosterone deficiency syndrome (TDS) had multiple positive effects and restore a quality of life of affected men. Polyglobulia is the most common dose-limiting adverse effect of TRT...

Drinking Water and Diabetes: An Association in One Canadian Province

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Higher concentrations of arsenic and fluoride in the public drinking water supply in Newfoundland and Labrador may be associated with the high incidence of type 1 diabetes in the Canadian province, according to findings published in BMJ Open...

Vitamin D and male sexual function

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Table of Contents Background The effects of vitamin D on sexual function are very unclear. Therefore, we aimed at evaluating the possible association between vitamin D and sexual function and at assessing the influence of vitamin D...
Semen analysis results after adding FSH to TRT and hCG
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So after 6 months of adding FSH to my TRT protocol I got a sperm analysis done. A quick background. My fertility was normal before TRT and went to zero when I started TRT without HCG. Adding HCG 500 IU 2x a week my sperm analysis results were...
Can Testosterone Replacement Affect Kidneys?
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Table of Contents A study done in rats showed that higher total and free testosterone blood levels produced by testosterone treatment were associated with higher creatinine and lower creatinine clearance (Effects of Testosterone Replacement...
Blood Tests Needed Before and During Testosterone Replacement Therapy
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Table of Contents Proper monitoring of men on testosterone replacement therapy has been dictated by several medical guidelines groups. However, most of them fall short in guiding doctors on what to if different key variables are not optimal...
More Protein Did Not Increase LBM in Men on TRT or Not on TRT
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The study was a 2 x 2 factorial design where older men were given 100 mg of testosterone a week or not and were eating 1.3 g/kg or 0.8 g/kg (the RDA) of protein a day. No mention is made in the summary of any exercise program, but the summary...

Priapism may be treated by going up and down stairs

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Really? This is a first for me! It would be hard to convince me that this can work for Trimix-induced priapism. Priapism is characterized by persistent penile erection in the absence of sexual arousal or desire that does not subside with...

Half lives of medications, Most underrated aspect of TRT

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Table of Contents Alright My Friennd Here's Some Knowledge That Will Change Lives On TRT Forever Originally wrote this as a reply to someone on a different thread, but decided to put it in it's own thread as well. say you take 1mg of...
How to Inject Testosterone
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Table of Contents In this video the folks from Defy Medical show how to safely inject testosterone in the The following information was taken from the book: Testosterone: A Man's Guide How to Inject Testosterone Safely Some men prefer...
Dr Abraham Morgentaler: Who is a Candidate for Testosterone Replacement Therapy?
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By Abraham Morgentaler, M.D. There is consensus that candidates for treatment with Testosterone Replacement Therapy should have signs or symptoms of TESTOSTERONE DEFICIENCY combined with biochemical evidence of low T levels. The challenge...

Testosterone Therapeutic Options and Best Practices in Management

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Table of Contents This excellent lecture is recommended for clinicians and educated patients. From largest urology conference in the world (2015) Transcription Speaker 1: So without further ado, I'd like to bring Dr John Mulhall to the...
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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