Testosterone side effects

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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Rusfertide Decreases Need for Therapeutic Phlebotomy in Polycythemia Vera

Sep 06

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New Treatment Could End the Phlebotomy Cycle for Men with High Hematocrit If you're a man on testosterone replacement therapy (TRT) who's been told you need regular blood draws to manage your hematocrit levels, a breakthrough treatment currently...

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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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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

* 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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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...

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Top Facts You Need to Know Before Starting TRT

Jul 25

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Embarking on the path of Testosterone Replacement Therapy (TRT) often evokes a blend of enthusiasm and concern among men. The allure of renewed vigor, heightened sexual desire, and robust muscle growth is enticing. However, there are a lot of...

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Prostate Cancer - Active Surveillance: Past, Present, and Future

Jul 25

* the truisms are that most men die with rather than of prostate cancer, if you live long enough almost all men will get a couple of cancer cells in the prostate Dr. Matthew Cooperberg takes us on a candid journey through Active...

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How to Lower High Hematocrit Caused by Testosterone Replacement Therapy (TRT)

Jul 23

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High Hematocrit Caused by Testosterone Replacement Therapy By Nelson Vergel, B.S.Ch.E., M.B.A. High hematocrit occurs when there is an excessive production of red blood cells. High hematocrit can cause the blood to become very viscous or...

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Understanding Testosterone Replacement Therapy and Managing Side Effects

Jul 22

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13 min summary podcast: Introduction Hello everybody, Nelson Vergel here with ExcelMail.com. ExcelMail.com is a four-year-old forum, online site, with more than 14,000 members. Some of them are doctors, pharmacists, dietitians, exercise...

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Pros & Cons of 10 Surgery Types for Enlarged Prostate (BPH) - Which is Best for you!?

Jul 21

Dr. Rena Malik, urologist and pelvic surgeon, provides an in-depth, evidence-based discussion on the wide range of surgical options for benign prostatic hyperplasia (BPH), or enlarged prostate. The episode covers minimally invasive procedures...

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TRT Hormone Predictor Widget

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