Vitamins and dietary supplements are a waste of money for most people

It is unclear whether dietary supplements help protect against cancer or cardiovascular disease in most adults, and one kind of supplement may actually increase cancer risk, according to updated recommendations from the US Preventive Services Task Force. 

Original article: https://www.newscientist.com/article/2325423-vitamins-and-dietary-supplements-are-a-waste-of-money-for-most-people/