Each lozenge contains Elderberry Extract powder that is synergistically formulated with Zinc and Vitamin C for maximum effectiveness.  Zinc is a trace mineral that plays an important role in supporting a healthy immune system. Echinacea, Propolis and Slippery Elm have been added to complement this unique formula helping to soothe a sore throat and fight cold and flu symptoms. Our NOW natural and organic Supplements are an effective way to ensure you and your loved ones are getting essential vitamins, minerals and nutrients for daily optimal health. Since 1968, NOW has been making top quality products that are tested to the highest standards to empower people to lead healthier lives. Our promise - what is on the label, is precisely what is in the bottle.