Immune support. Provides antioxidants & immune support. Convenient & great tasting. Stay healthy. Flora's organic sambuguard elderberry crystals provide a burst of antioxidants and immune support when seasonal issues strike. Sambuguard elderberry crystals can be taken daily to help maintain a healthy immune system or at the first sign of seasonal symptoms. Fsc: recycled - packaging made from recycled material. Www.Fsc.Org.