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427-Page Illustrated Book: Beyond Testosterone
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I am very pleased to announce that I finally finished my full color 427-page booK: Nelson Vergel's "Beyond Testosterone: The Illustrated Guide" and the associated free online resource at Excelmale.com serve as comprehensive guides to...
Testosterone Replacement Clinical Guide from ExcelMale.com
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ExcelMale.com Quick Guide: DIAGNOSIS OF HYPOGONADISM: Symptoms and signs suggestive of testosterone deficiency in men: A. More specific symptoms and signs • Incomplete or delayed sexual development, eunuchoidism • Reduced sexual desire...
Why Use hCG With TRT?- A Clinical Review
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Using hCG in Men on Testosterone Replacement Therapy (TRT) – A Clinical Review Introduction Exogenous testosterone replacement therapy (TRT) can profoundly suppress the hypothalamic-pituitary-gonadal (HPG) axis through negative feedback. By...
Where to Inject Testosterone: Intramuscular vs. Subcutaneous Injections
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No matter what kind of TRT your doctor has given you, a common question is where to inject testosterone. For decades, most men have injected their testosterone intramuscularly (IM), primarily into the glutes, quadriceps, or deltoids, using a 1 to...
The TRT Guide from ExcelMale.com
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Understanding the Symptoms, Diagnosis, and Treatment of Hypogonadism in Men Hypogonadism, a condition characterized by low testosterone levels, can significantly impact a man's quality of life. ExcelMale.com offers a comprehensive guide to help...
Cable Machine Workouts: Exercises Can Develop the Body Fully and Safely
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Hello, I’m Nelson Vergel, and I'm here to talk to you about a therapy that has more than 15 to 20 benefits, surpassing almost any other therapy in the world. Unfortunately, we can’t get it in a pill, but it is available to everyone, even though...
Best injection technique for low dose daily subcutaneous testosterone
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I switched this year from E3.5 injections to low dose daily injections thanks to @Cataceous. I'm currently injecting 8mg each morning of Propionate-only after trying a blend of Cypionate and Prop. Like many on here, I started with harpoon...
Beyond Testosterone: The Illustrated Guide is Now on Amazon
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"Beyond Testosterone" is a comprehensive 427-page guide authored by Nelson Vergel, a seasoned expert in the realm of hormone therapy. With a vibrant full-color layout and extensive illustrations, this book stands as an essential resource for both...
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

Beyond Testosterone Podcast

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