NOW Sambucus Zinc-C Lozenges feature a 10:1 elderberry concentrate. As a centuries old tradition, elderberry has been used by herbalists as a tonic to maintain health and well-being. This product includes vitamin C and zinc for their critical immune-supporting properties. 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. Recommended Dosage: (Adults & Children 6 Years+ Dosage) Chew 1 lozenge daily with food, a few hours before or after taking other medication or natural health products.Consult a health care practitioner prior to use if you are pregnant or breastfeeding or if symptoms persist or worsen. Stop use if hypersensitivity/allergy occurs. Zinc supplementation can cause a copper deficiency. If you are unsure whether you are taking enough copper, consult a health care practitioner prior to use. Diuretic effect may occur. Xylitol is harmful to pets; seek veterinary care immediately if ingestion is suspected.