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
20+ Years Expert Experience

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 Conflicting information, outdated medical advice, and unqualified opinions flood the internet.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

How to Find a Good Doctor that Prescribes Testosterone, HCG and Anastrozole
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Many primary care doctors in the United States feel comfortable prescribing testosterone in the present. Unfortunately, many doctors still do not know much about the proper management of testosterone replacement or are afraid to prescribe it...
Antioxidants for the treatment of male infertility: an overview
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Almost 15% of all couples trying to conceive are affected by infertility, and in almost half of these cases male infertility is the sole or a contributing factor.1 Male infertility can have several causes. The most common is idiopathic...
29 Medications That May Cause Adverse Interactions with Thyroid Drugs
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The thyroid medication levothyroxine (LEVO-T, LEVOXYL, NOVOTHYROX, SYNTHROID, THYRO-TABS, UNITHROID) is used to treat hypothyroidism, an endocrine disorder resulting from a thyroid homone deficiency that affects about 4.6 percent of the U.S...
All About Oxandrolone
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The following content comes from the book "Anabolics 2010" Oxandrolone: An Overview Description Oxandrolone is an oral anabolic steroid derived from dihydrotestosterone. It was designed to have a strong separation of anabolic and androgenic...
Pharmacogenetics of testosterone replacement therapy
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Understanding How Androgens (Male Hormones) Work in the Body Androgens, such as testosterone, play a key role in male development and overall health. However, their effects vary from person to person due to differences in how the body responds to...
Estrogen is Essential for Muscle Growth in Bodybuilders
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William Llewellyn’s, ANABOLICS Estrogen Aromatization Testosterone is the primary substrate used in the male body for the synthesis of estrogen (estradiol), the principal female sex hormone. Although the presence of estrogen may seem quite...
Men's Response to Testosterone Depends on their CAG Repeats in Their AR Gene.
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Androgen Sensitivity: Beyond the Well-Known © Irina A. Khripun*, Sergey V. Vorobyev Rostov State Medical University, Rostov-on-Don, Russia The gonadal and extragonadal effects of testosterone in men have been actively studied in recent...
Left Ventricle Hypertrophy and Nandrolone ( Decadurabolin )
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Dear Nelson Vergel and forum members, I am a long time reader, first time poster, In fact I registered just to post these questions. While I have addressed this to Nelson specifically I would be very grateful for any evidence-based input from...
FDA issues class-wide labeling changes for testosterone products
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https://www.fda.gov/drugs/drug-safety-and-availability/fda-issues-class-wide-labeling-changes-testosterone-products [2/28/2025] Today, FDA informed sponsors of testosterone products about new labeling changes following the agency’s review of...
Pregnenolone Supplementation in Men: Experiences and Dosage Considerations
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Users on ExcelMale.com shared their experience with pregnenolone supplementation, providing insights into dosage and effects. Here's a summary of the key points: Dosage and Effects Optimal Dose: The user found benefits at 100mg, including...
Nandrolone Use in Testosterone Replacement Therapy: Insights from ExcelMale.com Discussions
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Comprehensive Analysis of Nandrolone Use in Testosterone Replacement Therapy: Insights from ExcelMale.com Discussions Nandrolone, a synthetic anabolic-androgenic steroid, has garnered significant attention within the ExcelMale.com community as an...
Low Dose Nandrolone Improves Recovery After Knee Replacement Surgery
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Review of the Study: Anabolic Steroids After Total Knee Arthroplasty Introduction Total knee arthroplasty (TKA) is a common and effective procedure for managing end-stage osteoarthritis, but post-surgical rehabilitation remains a challenge...
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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