It was March 2017 when I decided to start writing my first English book. This was right after I had finished writing my (Dutch) book on sports supplements, named Bonds voedingssupplementen. This book wouldn't be released until two months later in May, and, there I was, already underway with my third book. …

In Book on Steroids there’s a passage in Chapter 2 in which I briefly describe why I think methenolone (Primobolan) is experienced as a relatively weak anabolic steroid. In this article I expand on the why. …

In 1997, McPherron et al. discovered a protein that was intimately involved in regulating muscle mass. Fast-forward over two decades later we wonder: where are the myostatin inhibitors? …

Anabolic steroids (AAS) can (negatively) affect blood lipids. In turn, this might affect cardiovascular disease risk. This article will discuss the effect of AAS on LDL cholesterol, HDL cholesterol, apolipoprotein B, apolipoprotein A1 and lipoprotein(a). …

Post-cycle therapy (PCT) is commonly employed by anabolic steroid users to speed up recovery of testosterone production after a cycle. A new study, called the HAARLEM study, suggests this practice might not work. …