Mayo Clinic Health Library

Herbal supplements: Avoid gimmicks

Updated: 12-17-2010

Some herbal supplements, including products labeled as 'natural,' have drug-like effects that can be dangerous. So it's important to do your homework and investigate potential benefits and side effects of herbal supplements before you buy. And be sure to talk with your doctor, especially if you take medications, have chronic health problems, or are pregnant or breast-feeding.