Tens of billions of dollars are spent each year in the U.S. on nutritional supplements taken by people interested in body building. People taking a popular protein supplement should be aware of its potential for harm according to scientists from the University of Technology Sydney. A study, published in Toxicology in Vitro showed that even at relatively low concentrations of this popular body building supplement could make cells unhealthy and eventually kill them. [Please tune into ‘The Dr. Bob Martin Show to find out about it’]