About
Thomas O’Connor, MD
Dr. O’Connor is a board-certified Internal Medicine physician and a Clinical Instructor of Medicine at the University of Connecticut School of Medicine.
He is a published academic researcher, the creator of a personalized healthcare app: Testosteronology.com, and the author of “America on Steroids: A Time to Heal.” He is well known as the “Anabolic Doc” due to his skill and experience in caring for men on TRT and anabolic steroids.
His expertise in this area has been sought by the world’s top media outlets, including The New York Times, Medscape, National Geographic, Hulu, Generation Iron, Muscle and Fitness, Vice TV, and more.
- American Board of Internal Medicine Certification – Since 2005
- Clinical Instructor/Teaching Physician-Department of Medicine-University of Connecticut School of Medicine
- Residency Training – University of Connecticut School of Medicine – 2005
- Professional Medical Studies – New York Medical College – 2002
- Pre Medical – Post Baccalaureate – Syracuse University
Additional
Achievements
- Graduate degree in Exercise Physiology – Master’s Degree – Long Island University
- Author of “Anabolic Doc” column in Muscular Development magazine 2009-2020 and co-host of “Ask the Anabolic Doc” podcast series
- Contributing Author to Bill Llewellyn’s Anabolics 11th Edition
- Author – “America on Steroids – A Time to Heal”, 2017
- Co-Author of the largest anabolic steroid survey, peer-reviewed journal: Characteristics and Attitudes of Men Using Anabolic Androgenic Steroids (AAS): A Survey of 2385 Men; American Journal of Men’s Health, November-December 1-12 2020
- YouTube channel “Anabolic Doc” for anabolic steroid education
- Featured anabolic steroid expert: Muscle and Fitness, New York Times, New York Daily News
- Featured expert for Al Jazeera English – Fault Lines, GQ Magazine, Dr Phil, HULU, National Geographic, Vice TV, Medscape, Insider, New York Times, Daily News, Voice of America, and Generation Iron
- American Powerlifting Association 2012, 505lb bench press at 198lb weight class
Founder of Testosteronology®
& Testosteronology Society™
Dr. Thomas O’Connor, also known as The Anabolic Doc, is a board-certified internist and the founder of Testosteronology®, the first defined sub-specialty in testosterone and men’s hormonal medicine.
For over two decades, Dr. O’Connor has been a trusted authority in men’s health, treating patients worldwide and developing a clinical model that bridges endocrinology and internal medicine with a focus on integrity, patient safety, and evidence-based outcomes.
Through his research, media presence, and professional leadership, Dr. O’Connor has established Testosteronology® as the highest standard of care for physicians and providers seeking mastery in men’s hormonal care.
America On Steroids:
A Time to Heal
A Book by Dr. Thomas O’Connor, MD
There is a burgeoning epidemic of anabolic steroid use staring us in the face, while being virtually ignored by the media, policymakers, and even medicine itself. Now that steroids users have grown to 4 million Americans, Dr. O’Connor has written a book that is targeted to a wider audience in the hope that it will trigger action both within and outside the AAS community.
Health Newsletter
Learn to stay strong and healthy with monthly health tips and insights from Dr. O’Connor.