Dr. Thomas O'Connor is the first American board-certified internist to focus his medical practice specifically on the health and recovery of individuals who use anabolic steroids and androgens.
He founded Testosteronology®, a dedicated subspecialty of internal medicine that addresses steroid-induced hypogonadism and associated cardiovascular and metabolic concerns.
Dr. O'Connor has over 20 years of experience treating men and women with a history of anabolic steroid, SARM, and PED use. He has been a board-certified MD since 2005 and provides guidance on harm reduction methodologies.
Dr. O'Connor is a clinical instructor at the University of Connecticut School of Medicine and has been featured in various media publications, including Generation Iron, Dr. Phil, National Geographic, The New York Times, Muscle and Fitness, and others.
Dr. O'Connor also co-authored the largest survey on anabolic steroid use, which involved 2,385 men and was published in the peer-reviewed American Journal of Men’s Health. He holds active medical licenses in Connecticut and Florida.
What Is It? Turinabol (chlorodehydromethyltestosterone) is an oral anabolic steroid with a unique history, being the only AAS created for non-medicinal purposes. Instead, Turinabol was formulated to help East Germany’s athletic team gain an unfair advantage in the Olympic Games between 1968 and 1989. This was a state-sponsored doping program, known as “State Plan Research […]
An array of questions often surrounds the topic of anabolic steroids, with people either thinking about taking them or curious about their effects. Asking questions can be a great method of learning; however, there remains a scarce amount of information online due to the taboo nature of steroids, causing much misinformation and bro-science. Sadly, this […]
All anabolic steroids are forms of exogenous testosterone. However, due to modifications in chemical structure, different steroids produce different outcomes in regard to body composition and athletic performance. Below are the different types, or categories, of anabolic steroids used by bodybuilders: Bulking steroids Cutting steroids Oral steroids Injectable steroids Bulking steroids are used to build […]
What Is Deca-Durabolin? Deca-Durabolin (nandrolone decanoate) is an injectable anabolic steroid typically utilized by bodybuilders in the off-season for mass building. Deca-Durabolin was first described in 1960, with pharmaceutical giant Organon bringing it to market two years later. Deca-Durabolin was Organon’s second formulated nandrolone ester, following nandrolone phenylpropionate (NPP). What Was the Medical Purpose of Deca-Durabolin? […]
It is increasingly difficult to find accurate information online regarding anabolic-androgenic steroids (AAS), particularly for female use. This lack of information is concerning, as it leads to women (unknowingly) taking megadoses of dangerous compounds. This article details steroid cycles that are not only tailored for women but, most importantly, optimized for harm reduction. Anabolic steroids […]
