Founded by Frank W. Jackson, M.D., Gastroenterologist, Jackson GI Medical is dedicated to the responsible development and marketing of medically credible nutritional supplements in an all-too-often irresponsible marketplace. Dr. Frank Jackson has always known: prebiotic supplements produce many health benefits both in the digestive system and throughout the entire body. Add prebiotic fiber to your diet and discover how you can improve regularity, boost immunity, prevent obesity and lower gut health issues in an all-natural, low-calorie way! The Prebiotin family of nutritional supplements are all-natural plant-based, full-spectrum prebiotic fiber supplements. is proud to carry the entire range of this fine brand.