Daily Defense. Immune Support with Elderberry. An Excellent Source of Vitamin C. Non-GMO. Vegan. These Daily Defense capsules are an excellent source of Vitamin C and offer additional Immune Support* with Elderberry, zinc, echinacea and an additional 14 herbs. Vitamin CKnown for its properties as natural support for seasonal wellness, Vitamin C is an essential vitamin that the body cannot produce, so diet and supplements are key to delivering its' many benefits. ElderberryEuropean elderberries have been used for centuries for their wellness power, and are packed with vitamin C and antioxidants to help support immune function. EchinaceaEchinacea is believed to have antioxidant properties, making it an ideal immune-supporting herb that is perhaps best known as a traditional remedy for seasonal support.