The prevalence of anabolic androgenic steroid use amongst athletes in Riyadh (Saudi Arabia).

Objective: The aim of this study was to determine the prevalence of anabolic androgenic steroid (AAS) use among athletes and examine the extent of their knowledge on the effects of AAS in Riyadh, Saudi Arabia.

Methods: This cross-sectional study was conducted at gyms in Riyadh, Saudi Arabia, during 2015. In total 600 athletes from three gyms participated in the study.