Nature's Way Sambucus Immune System Syrup Great tasting liquid - natural winter remedy for adults. For centuries the dark berries of European black elder (Sambucus nigra L.) have been traditionally used as a winter remedy. In recent years, medical researchers have proven its efficacy in clinical trials. Nature's Way® Bio-Certified Sambucus is the superior black elderberry extract. Standardized, Bio-Certified extract with proven bioavailability and activity within the body for optimal effectiveness From premium cultivar elderberries with higher naturally-occurring levels of BioActives® constituents Full spectrum, solvent-free extraction process for maximum potency Natural formula — no artificial colors, flavors or preservatives Gluten-free and Kosher certified Immune System Syrup Formula This formula is a great tasting natural remedy for adults. It combines standardized, Bio-Certified black elderberry extract, vitamin C, zinc, e...