The Saudi Food and Drug Authority (SFDA) has warned against the use of nutritional supplements sold at the website bodybuilding.com. The SFDA said that some of the preparations available for purchase at the website contain large concentrations of steroids which may cause liver failure and, through long-term use, cause male sterility and shrinking of the testicles, in females lead to breast enlargement, and stunt the growth of children. The SFDA advised consumers to immediately desist from taking the supplements and consult a doctor should symptoms occur.