Advertised throughout the media, displayed in grocery stores and pharmacies, and promoted widely on the Internet, dietary supplements look like just another consumer product on the shelf. But are they? Take this quiz to find out how much you know about using dietary supplements safely.

  1. Any supplement labeled "natural" means that it also is:
    • mild
    • without any risk of side effects
    • safe to use with other medications
    • none of the above

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