Testosterone side effects

Steroids & Testosterone: The Science Behind Anabolic Therapies with Nelson Vergel

Mar 18

The one and only! Real special one we are so lucky to have you Nelson! Nelson Vergel’s story is one of resilience, perseverance, and an unrelenting drive to defy the odds. In the mid-1980s, he was handed what many would have considered a...

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Dr. Khera- Why I'm Excited About The Testosterone Project

Mar 15

https://www.instagram.com/the_testosterone_project/reel/DCFj-bhPl_X/ Exciting news! Dr. Mohit Khera (@drmohitkhera) is joining The Testosterone Project board. Together, we’re on a mission to redefine hormonal health and educate the public on...

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Can a pill increase Testosterone?

Mar 10

What if there was a pill that could increase testosterone without injections or topical applications? In this episode, Dr. Geo Espinosa sits down with Shalin Shah, a leader in metabolic health and CEO of Verity Pharma, to discuss oral...

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Testosterone Products: Oral, Transdermal, Injectable, and More

Mar 08

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How to Find a Good Doctor that Prescribes Testosterone, HCG and Anastrozole

Mar 05

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Many primary care doctors in the United States feel comfortable prescribing testosterone in the present. Unfortunately, many doctors still do not know much about the proper management of testosterone replacement or are afraid to prescribe it...

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Pharmacogenetics of testosterone replacement therapy

Mar 03

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Understanding How Androgens (Male Hormones) Work in the Body Androgens, such as testosterone, play a key role in male development and overall health. However, their effects vary from person to person due to differences in how the body responds to...

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Left Ventricle Hypertrophy and Nandrolone ( Decadurabolin )

Mar 01

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Dear Nelson Vergel and forum members, I am a long time reader, first time poster, In fact I registered just to post these questions. While I have addressed this to Nelson specifically I would be very grateful for any evidence-based input from...

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FDA issues class-wide labeling changes for testosterone products

Feb 28

https://www.fda.gov/drugs/drug-safety-and-availability/fda-issues-class-wide-labeling-changes-testosterone-products [2/28/2025] Today, FDA informed sponsors of testosterone products about new labeling changes following the agency’s review of...

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Anabolic steroids and TRT decrease SHBG, DHEA, pregnenolone and progesterone in men.

Feb 20

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Effects of Anabolic Steroids and Testosterone on Hormonal Function in Power Athletes A study published in The Journal of Steroid Biochemistry (1985) investigated the effects of self-administered high doses of testosterone and anabolic steroids on...

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Treatment resistant acne

Feb 13

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Hi, Just looking for a second opinion on the cystic acne I’ve been dealing with and a plan to re-introduce testosterone. The back ground is a little long but pertinent, I think. Back in May I started a course of prednisone for an ulcerative...

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Rises in Hematocrit is Associated with An Increased Risk of Cardiac Events in Men Starting Testosterone Therapy

Jan 31

ABSTRACT Objective Elevated hematocrit (Hct) can result in increased risk of major adverse cardiac events(MACE) in men receiving testosterone therapy (TTh). However, the impact of the magnitude of the change in Hct from baseline after starting...

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Is it safe for men with history of pulmonary embolism who are taking blood thinners to start testosterone ?

Jan 28

There are no published studies conducted on men with a history of pulmonary embolism (PE) who are taking blood thinners and want to use testosterone replacement therapy (TRT). However, they do provide a broad overview of the relationship between...

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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