Helps neutralize free radicals and support a healthy immune system.nUnconditionally guaranteed for purity, freshness and label potency.nIt helps neutralize free radicals and support a healthy immune system.nStrengthen your body's natural defenses. Vitamin C is an important antioxidant nutrient that helps neutralize free radicals and support a healthy immune system. This formula from 21st Century has no added sugar, salt, yeast, preservatives, artificial flavors or colors. Unconditionally guaranteed for purity, freshness and label potency.