Now Foods Sambucus Zinc-C NOW® Sambucus Zinc-C lozenges contain elderberry concentrate in a 10:1 ratio. Elderberry has been traditionally used by herbalists as a tonic to maintain the health and well-being of the human body.* This product includes vitamin C and zinc for all their immune system support properties.* Natural variation in color may occur in the composition of the product. * The above information regarding the product ingredients is the result of studies. It does not constitute an opinion of the EFSA (European Food Safety Authority). USE Adults: take 1 lozenge daily with a meal. Allow the lozenge to dissolve in the mouth slowly and completely and then swallow. Children aged 4 years and over: administer 1 lozenge daily with a meal.