Multivitamins, vitamin D, echinacea, and fish oil are among the many dietary supplements lining store shelves or available online. Perhaps you already take a supplement or are thinking about using one. Dietary supplements can be beneficial to your health, but they can also involve health risks. So, it’s important that you talk with a health care professional to help you decide if a supplement is right for you.

Read on to learn what dietary supplements are (and are not), what role the U.S. Food and Drug Administration has in regulating them, and how to make sure you and