Nature's Way Kids Sambucus Cold and Flu Care - Traditionally used in herbal medicine to relieve symptoms of colds and flu such as cough and sore throat and helps promote sweating to relieve fever. It also provides antioxidants. Nature's Way Kids Sambucus Cold and Flu Care is a unique, black elderberry extract with standardized flavonoid BioActives proven to be bioavailable and active within the body for optimal effectiveness.