Who is funding all these studies about vitamin supplementation? It's clearly not vitamin manufacturers or they'd never be published, but who else has an interest in the outcome?
Do you honestly believe that or was that cynical? Probably not directly but the vitamin industry is a big industry and it's in their interest to promote taking supplements.
Random quote from the article:
> I faithfully chewed those calcium supplements, and then a study said they didn’t do any good at all,” said Ms. Bentley