Research before you buy

Learn all you can about any weight-loss supplement you think about trying. Check websites you can trust, such as those run by the U.S. Office of Dietary Supplements and the National Center for Complementary and Integrative Health.

Keep in mind that the key to losing weight is a whole lifestyle approach that involves eating well and moving more. Supplements are rarely the answer to safe, sustained weight loss.

Also be sure to talk with your healthcare professional before taking any supplement, especially if you have health conditions, take prescription medicines, or are pregnant or breastfeeding.