Men's Health

The pharmaceuticalization of ‘healthy’ aging: Testosterone enhancement for longevity

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Abstract The United Nations estimates that the world’s population will reach 8.5 billion by 2030, and the populations of most countries are expected to grow older. This is the case for many developed countries, including Australia, the United...
Dr. Shalender Bhasin: Optimizing the Diagnosis and Treatment of Hypogonadism 2025
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Nelson's house u heard it here first! Dr. Shalender Bhasin! * over the past 4 decades he has become a global leader in the biology of androgens, sarcopenia and aging related functional decline, his research has shaped clinical guidelines, its...
THE HISTORY OF PENILE GIRTH AUGMENTATION
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INTRODUCTION AND OBJECTIVE Penile appearance is a source of anxiety among men and has led to the development of diverse penile enhancement approaches. The goal of this study was to examine the history of penile girth enhancement procedures...
The Truth About Performance Enhancing Drugs
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Bradley D. Anawalt Professor and Vice-Chair of Medicine Department of Medicine School of Medicine University of Washington Disclosure Summary: Consultant for the United States Anti-Doping Agency Note from Nelson: Listen at 31...
Methylene Blue Pros and Cons
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After researching Methylene Blue, I have decided to give this a try. I ordered a pharmaceutical grade, premixed in a dropper bottle. Each drop is .5 mg. I’m going to start slow and see how it goes. Any thoughts or advice? Methylene Blue...
Best HCG Dose for Men on TRT: Two Studies That Used HCG with Testosterone
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What's the optimal HCG dose to preserve fertility and testicular size while on testosterone replacement therapy? Two landmark studies provide critical guidance for men seeking to maintain reproductive function during TRT. Research from Baylor...
Ketamine's Role in Medicine: What You Need to Know
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Discover how ketamine, a well-established anesthetic, is gaining attention for its medical applications in anesthesia, pain management, and the treatment of psychiatric conditions. Learn about its method of action, interactions in pain pathways...
Lipo-C - Who's using / what doses?
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Curious whether lipotropic injections can actually boost energy and accelerate fat loss during your cut? Lipo-C, a compounded injection containing methionine, inositol, choline, and B vitamins, is marketed as a metabolic enhancer that supports...
Low Testosterone in Men: Recommendations on the diagnosis, treatment and monitoring
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ABSTRACT The relative proportional increase of the elderly population within many countries will become one of the most significant social transformations of the twenty-first century and, for the first time in history, persons aged 65 or above...
Why ED Pills Stop Working—and What to Do Next | ED Treatment Landscape
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* Why Understanding the Root Cause of ED Is Critical Why do some men stop responding to ED pills—and what comes next? In this expert-led webinar, Dr. Tim Walsh, a board-certified urologist and prosthetic surgeon, explores the full...
TRT, Peptides & Fertility: A Deep Dive With Dr. Larry Lipshultz
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Step into the origins of modern men’s health and testosterone therapy with Dr. Alex Tatem as he sits down with his mentor, Dr. Larry Lipshultz — the pioneer behind male fertility surgery, testosterone research, and advanced hormone therapy. In...
New Testosterone Tools Web Site
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Testosterone Tools is your personal command center for mastering testosterone replacement therapy through the power of individualized data. Born from the frustration of one-size-fits-all protocols and outdated medical dogma, this platform...
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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