Well-known as a primary antioxidant, Vitamin C is also important for healthy immune functions.* Daily use may help to maintain and improve overall health. Vitamin C can be used daily for supporting natural immune responses and defending the body. For immune support and environmental protection, use ChildLife Vitamin C daily as a vital antioxidant.* When needed, use with ChildLife First Defense and ChildLife Echinacea. This product ships in approximately 1 days