Product Details Naturally and artificially flavored. Sugar free. Zincum gluconicum. May help reduce duration and severity of cold symptoms. Homeopathic (Claim is based only on theories of homeopathy from 1700s not accepted by most modern medical experts. There is no scientific evidence that the product works). Essential to Care since 1979. 100% money back guarantee. All Leader Brand Products have a 100% money back guarantee. Return to place of purchase if not satisfied. www.myleader.com. Questions or comments? 1-866-467-2748. (This product is a homeopathic remedy. As such, it has not undergone review or approval by the FDA and therefore has not been demonstrated to be safe or effective to diagnose, treat, prevent, mitigate for or cure condition or disease).