Vitamin C is a critical component of a properly functioning immune system. Vital-C is a unique mineral based Vitamin C complex that is non-acidic to increase absorption and prevent stomach upset. Vital-C also contains Zinc in a superior ascorbate form. Zinc has proven immune support benefits. Olive Leaf has been used for centuries for a variety of ailments. Recent research shows it has antiviral, antibacterial and antifungal properties.