10% Free Vitamin Supplement Helps Neutralize Free Radicals and Support a Healthy Immune System Guaranteed Quality-Laboratory Tested 21st Century...for a Healthier Future Vitamin C is an important antioxidant nutrient that helps neutralize free radicals which may cause cellular damage in the body. Vitamin C also supports a healthy immune system. These delicious orange flavored chewable tablets are formulated for those who prefer to chew their Vitamin C to increase assimilation.