American Health, the makers of Ester-C®, manufactures a range of products created to help you maintain your optimum health and wellness. They believe in the importance of taking extra steps to provide your body nutritional support to function at its best, and their specialty supplements do just that. American Health offers probiotics, digestive enzymes, immune support and other many supplements. Their popular Ester-C formula is a patented and clinically researched vitamin C supplement delivering 24-hour immune support. You can count on American Health to help support your healthy living.