The Doctor Is In – Are vitamins and supplements really necessary?

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ST. LOUIS (KPLR) - Multi-vitamins and mineral supplement sales are an $11 billion a year business in the United States. But do they really work? Do they prevent cancer or heart disease like some of them seem to claim? What do scientists think? Do they warn against using some of these supplements? Dr. Sonny Saggar visits KPLR 11 News at Noon to tell us what we need to know before popping those pills.