Author Archive

Dr. Thomas O'Connor, MD, PA

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, involving 2,385 men, published in the peer-reviewed American Journal of Men’s Health.

In this article, you will see 10 before-and-after pictures from people who have taken various steroids so you can see how each one affects the body differently (from an aesthetic perspective). Before-and-After Steroids (Novices) Novices commonly opt for testosterone during their first cycle. This is because testosterone produces significant results with fewer toxic effects compared […]

Highlights SARMs can build moderate amounts of muscle, although anabolic steroids appear to be more effective at increasing lean mass. Some SARM users have reported exceptional improvements in muscular strength. SARMs may cause side effects such as elevated liver enzymes, cholesterol alterations, and testosterone suppression.   In this article, we present several SARMs before and […]

Anabolic steroids are often associated with gaining exceptional amounts of muscle hypertrophy and strength, which is medically what they were designed for: treating patients with cachexia (muscle-wasting conditions). Although the sole goal of anabolic steroids is to promote weight gain, we have discovered that increases in muscle mass frequently coincide with concurrent fat loss (1). […]

Trenbolone is one of the most coveted anabolic steroids among bodybuilders due to its sheer power at building lean muscle mass while simultaneously burning fat (without causing water retention). Due to trenbolone’s versatility, it can be successfully utilized during cutting or bulking cycles, making it one of the most aesthetically pleasing AAS on the market. […]

Winstrol (stanozolol) and Anavar (oxandrolone) are two anabolic steroids, predominantly used by bodybuilders for cutting purposes, enabling them to burn fat and gain lean muscle tissue. Beginners may wonder about the differences between these two compounds and specifically question which one is better. Below is everything you need to know regarding the pros and cons […]