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.

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 Conflicting information, outdated medical advice, and unqualified opinions flood the internet.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

Many Men Have Low Adherence to Topical Testosterone

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This news article on a talk at the American Association of Clinical Endocrinologists 2017 Conference surprised me Low adherence in men using testosterone gels Fewer than one in five hypogonadal men are adherent to prescribed topical...

NSAIDs Associated With Higher Testosterone Levels

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It's well established that opiates, over time, can suppress male androgen levels, leading to hypogonadism. Danish researchers recently examined the question of non-prescription analgesics and the relationship they had to male reproductive...
Metformin and PSA Levels: Does it Make a Difference?
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Metformin, the first-line antihyperglycemic, has been touted as something of a wonder drug with strong, anti-aging properties. A recent study conducted in Toronto was undertaken to determine if Metformin administration had any impact on PSA...

A Review of Testosterone Heart Attacks Based on Prescription Data

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Another paper in the Asian Review of Andrology reviews the studies of cardiovascular events that were based on analyzing prescription records. Each study is summarized and its weaknesses discussed. The conclusion is that most studies have found...

Fluoride Exposure Increases Estradiol Levels in Men

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New evidence suggests that fluoride may be an sexual hormone disruptor. From the abstract: We conducted a cross-sectional study in rural areas of Henan province in China to explore the interaction between the estrogen receptor alpha...

Waist Circumference: The Best Metric for Predicting Sexual Symptoms for Hypogonadal Men

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It's been well established that waist circumference is a useful, reliable predictor for cardiovascular risk. However, until earlier this year it was not certain what its value was in regard to sexual health/quality of life status in hypogonadal...

Testosterone and Stroke: No Connection Found, But More Research Called For

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While there have been studies of the role TRT may play in terms of cardiovascular disease, there have been few focusing specifically on TRT and stroke. Testosterone Replacement Therapy and the Risk of Stroke in Men: A Systematic Review...
Kidney Function: Cystatin C vs. Creatinine in Determining Risk
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Does adding the measurement of cystatin C to that of serum creatinine to determine estimated glomerular filtration rate improve its accuracy? That's the question asked by researchers who undertook a meta-analysis of 11 general population studies...

DHEA Levels Are Associated With Lower Risk of Type II Diabetes

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A recent study published in Diabetologiainvestigated the impact of DHEA, DHEAS, androstenedione, and the ratio of DHEAS to DHEA on type II diabetes. Data from 5,189 men and women were gathered. After adjusting for age, sex, cohort, fasting...
Sperm counts significantly declining in men from North America, Europe
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BACKGROUND Reported declines in sperm counts remain controversial today and recent trends are unknown. A definitive meta-analysis is critical given the predictive value of sperm count for fertility, morbidity and mortality...

Menopause hormone therapy not linked to premature death

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Women who take hormone replacement therapy (HRT) to ease menopause symptoms like hot flashes and night sweats may be no more likely to die prematurely than women who don’t take hormones, a new study suggests. Many women have been reluctant...

Daily 5 mg Cialis improves endothelial function in patients with BPH

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Administration of daily 5 mg tadalafil improves endothelial function in patients with benign prostatic hyperplasia. Tadalafil is a promising phosphodiesterase (PDE) 5 inhibitor prescribed for erectile dysfunction (ED). Daily low...
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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