Author Archive

Dr. Thomas O'Connor, MD, PA

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.

Disclosure: We do not accept any form of advertising on Inside Bodybuilding. We monetize our practice via doctor consultations and carefully chosen pharmaceutical recommendations, which have given our patients excellent results. Dianabol (methandrostenolone) is one of the most popular steroids in bodybuilding due to its rapid effects when it comes to building huge amounts of […]

Bodybuilding is regarded by many as a “taboo” sport due to illegal steroid use being rife at an elite level. Bodybuilders have taken anabolic steroids as far back as the ’70s, when greats including Arnold Schwarzenegger admitted to taking them. Five decades ago, the dangers of taking steroids were not well documented, so bodybuilders could […]

Various anabolic steroids are effective for bulking up and gaining muscle mass. However, only a few compounds are capable of burning fat and building muscle simultaneously. Below are 7 steroids to get ripped—and the pros and cons of each. Top 7 Steroids to Get Ripped 1. Anavar Anavar (oxandrolone) is an oral anabolic steroid often […]

Bulking steroids can be defined as: Anabolic steroids that have exceptional capabilities in regard to building muscular size and strength. Simply put, if you want to get jacked, bulking steroids are the key. They were used in Arnold’s day to pack on mass in the off-season, and we still see them used today with great […]

What Is Trenbolone? Trenbolone is one of the most potent anabolic steroids, both in terms of results and side effects. Trenbolone is an injectable steroid used by certain bodybuilders due to research documenting its ability to add large amounts of lean muscle and strength while enhancing fat loss (1). How Does Trenbolone Compare to Other […]