Is it safe to take a multivitamin daily for years? Here's what happens with long-term use, including potential benefits, risks, and how to choose the right one.

Vitamins are proving to be a lucrative industry in the United States. Just last year vitamin sales pulled in roughly $37 billion for the U.S. economy. That’s up from $28 billion in 2010. To cash in on ...

Vitamins and nutrition supplements are increasingly popular, but scant evidence supports their use for most people ...