Quantum health elderberry + immune defense can be used as a daily supplement to support the immune system. Suggested use is 1 teaspoon 4 times daily. Our tincture is high is proanthocyanidins, flavonoids and quinones with the added oils peppermint, eucalyptus, thyme and myrrh to help soothe the immune system. Ingredients include elderberry, vitamin c, echinacea and mullein. This tincture comes in a 4 fl. Oz. Package. country of origin : united states size : 4 fz pack of : 1 selling unit : each keywords : dietary;health;supplement;tincture