Nutrition experts: Tens of billions spent on nutritional supplements are a waste of money. Americans spend approximately $45 billion, out of more than $177 billion spent by people around the world.
Dr. Matthew Silvis from the Center for Family Health and Community Medicine in Pennsylvania, USA, says that eating a balanced meal provides all the nutrients the average person needs to maintain his health. He explained that there are some groups that may actually need vitamins or nutritional supplements, but they constitute individual cases.