A combination of well studied vitamins with a broad blend of botanicals. This patch offers comprehensive support for immune health. Vitamin C and zinc play crucial roles in supporting the immune system and vitamin D helps maintain its normal function. With elderberry, echinacea, garlic and more.DirectionsOne patch daily.Apply the patch to an area with little or no hair, i.e. shoulder, inner arm, or hip. Avoid using any lotion, or cream, in the area of patch application. Patches can be worn in conjunction with other patches or alone for eight hours, day or night.Patches are not waterproof.IngredientsZinc Picolinate, Vitamin C (as Ascorbic Acid), Vitamin D3 (as Cholecalciferol), Echinacea Augustfolia (Root), Echinacea Purpura, Astragalus Extract (Root), Elderberry (Sambucus Nigra), Olive Leaf Extract, Garlic (Allium Sativum Bulb)Allergen InformationVegetarian,Hypoallergenic