Testosterone

Unmasking Risks: Prevalence of Erythrocytosis Among Men on T-Therapy Across Different Formulations

Sep 17

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* The study population included men with (i) early morning total testosterone (TT) using LCMS, (ii) free T (FT) measured using equilibrium dialysis, and (iii) who were started on TTH. * Men using intramuscular or topical testosterone face a...

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How Testosterone Levels Impact Men's Immunity: New Research Uncovers Sex Differences in Infection and Cancer Risk

Sep 15

Sex differences play a crucial role in shaping human immune responses, influencing susceptibility to infections, cancer, and autoimmune diseases. Overview of Sex-Based Immune Differences Females generally exhibit more robust immune responses...

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Testosterone dosing amounts in postmenopausal women?

Sep 08

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I'm 66 and on TRT for 2 years with good results. Wife has been taking estrogen and both wonder if adding some T could help her. Would be Test cyp. From what I've read anywhere from 5-10mgs a week in one shot seems to be what most practices...

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How to Prevent and Reverse Erectile Dysfunction

Sep 03

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How to Prevent and Reverse Erectile Dysfunction: Your Complete Guide to Getting Hard and Staying Strong Bottom Line Up Front: You don't have to accept erectile dysfunction as your new reality. Whether you're dealing with occasional difficulties...

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How Your Circadian Clock Genes Affect Your Testosterone- Deep Dive

Aug 27

This Beyond Testosterone podcast episode comes from an academic review article from the Asian Journal of Andrology, published in September-October 2025. This article, titled "Regulation of testosterone synthesis by circadian clock genes and its...

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Learn Quickly About Testosterone Deficiency and Its Treatments

Aug 14

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I hope you enjoy this part 1. Yes, it is almost 2 hours long but I concentrated everything I know so that you do not have to read for hours. What is low testosterone (hypogonadism) and how is it diagnosed? Low testosterone, or hypogonadism...

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Testosterone Therapy in Pre- and Post-Menopausal Women: Deep Dive

Aug 08

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Testosterone Therapy in Pre- and Post-Menopausal Women Testosterone Therapy for Women: Indications and Evidence (2010–2025) Low Sexual Desire (HSDD) and Sexual Function Evidence: Multiple randomized controlled studies (RCTs) and meta-analyses...

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Testosterone and LH Levels Are Falling in Healthy Men: New Evidence of a Global Reset in Male Hormone Health

Aug 04

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Meta-regression analysis, using testosterone serum levels as effect of the regression, the years of sample collection as covariates and subjects’ number, age and BMI as co-factors (BMI was available for 742 study groups). Statistical details are...

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Comprehensive Analysis of Testosterone Carrier Oils: Formulations, Clinical Implications, and Emerging Developments

Aug 02

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The selection of carrier oils in testosterone formulations represents a critical yet underappreciated aspect of hormone replacement therapy. This report synthesizes data from pharmaceutical manufacturers, clinical reports, and patient experiences...

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Testosterone clinics - Do they know what they are doing?

Jul 31

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* They discuss how these clinics often bypass proper lab testing, ignore fertility risks, and prioritize quick prescriptions over patient safety—all under the buzzword of “optimization.” Testosterone therapy is trending—but are clinics...

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Why Is Male Fertility Crashing Globally?

Jul 29

Dr Michael Eisenberg is a professor of Urology at Stanford, a urologic surgeon, and a leading expert in male fertility and reproductive medicine. It's no secret that global population decline is accelerating, but what's driving it? Male...

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427-Page Illustrated Book: Beyond Testosterone

Jul 28

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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...