Excel Male Health Forum

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.

24,000+ Active Members
33,000+ Discussions
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Why ExcelMale? Evidence-Based Men's Health Information You Can Trust

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 Conflicting information, outdated medical advice, and unqualified opinions flood the internet.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.

Ready to Optimize Your Health?

Join thousands of men who have transformed their lives through evidence-based hormone optimization. Ask questions, share experiences, and learn from experts.

Zinc May Halt the Progress of Diabetes

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Adults with prediabetes assigned to zinc supplementation are less likely to progress to type 2 diabetes compared with adults not assigned to supplementation, and supplementation may lead to reductions in fasting plasma glucose, 2-hour oral...
Testosterone Administration Increases Liver Volume
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Animal data shows that testosterone administration increases the volume of some parenchymal organs. However, the effects of exogenous testosterone on solid abdominal organs in humans remain unknown. The present study evaluated the effects of...
Testosterone Increases Liver Volume in a Dose Dependent Manner
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Animal data shows that testosterone administration increases the volume of some parenchymal organs. However, the effects of exogenous testosterone on solid abdominal organs in humans remain unknown. The present study evaluated the effects of...
Growth Hormone Releasing Hormones and Peptides: Research History
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Nelson Vergel, the founder of ExcelMale.com, ClinicOptimizers.com and DiscountedLabs.com, interviews Dr. Richard Walker about the history of research on GHRH and GHRPs. Richard F. Walker, Ph.D., R.Ph is well known for having popularized...

Men with Low Testosterone At Higher Risk of Autoimmune Disease

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Clin Rheumatol. 2016 Dec;35(12):2983-2987. Epub 2016 Jun 20. Hypogonadism and the risk of rheumatic autoimmune disease. Baillargeon et al Abstract Testosterone deficiency has been linked with autoimmune disease and an increase in...
UK policy statements on testosterone deficiency
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Summary To address widespread media and scientific concerns over the appropriate treatment of TDS with Testosterone Therapy (T Therapy), the Executive Committee of the British Society for Sexual Medicine developed eight consensus statements...
Effect of Testosterone Injections on Estradiol and DHT in Young and Older Men
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Table of Contents The Effects of Injected Testosterone Dose and Age on the Conversion of Testosterone to Estradiol and Dihydrotestosterone in Young and Older Men "We found that during administration of graded doses of TE, the older men had...
Hyperparathyroidism : What it Is, How to Diagnose, How to Treat
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In primary hyperparathyroidism, an enlargement of one or more of the parathyroid glands causes overproduction of the hormone, resulting in high levels of calcium in the blood (hypercalcemia), which can cause a variety of health problems...
Your Own Platelet Rich Plasma & Common Urological Problems
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Autologous platelet rich plasma (PRP) is used increasingly in a variety of settings. PRP injections have been used for decades to improve angiogenesis and wound healing. They have also been offered commercially in urology with little to no data...

Do images of your personalized future body help you lose weight?

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Table of Contents Do images of a personalized future body shape help with weight loss? A randomized controlled study. Ossolinski G, et al. Trials. 2017. Abstract Background This randomized controlled study evaluated a computer-generated...
Houston: Free Men's Health Lecture by Dr Mohit Khera and Author Nelson Vergel
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This lecture will be held on February 22, 2018, in Houston and is free to the public but reservations are required due to limited space. The speakers will review current knowledge on testosterone replacement and other therapies that can help men...

TRT & Older Men: A Look at "The Testosterone Trials"

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The Testosterone Trials are set of multi-institutional, double blind, placebo-controlled studies aimed primarily at determining the efficacy of testosterone replacement therapy (TRT) on sexual function, physical function, and vitality. Seven...
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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