Harker Herbal Be Well Vitamin C and ElderberryBlack elderberry is nature's go to ingredient when your immune system is under attack. It's a rich source of free radical fighting antioxidants, anthocyanins and flavonoids, all supporting the immune system to perform at its best. This high strength syrup combines elderberry with 550mg of vitamin C and your RDI of zinc essential nutrients your immune system burns through when it's working overtime. The easily adjustable doses means one bottle suits