ButyrEn contains calcium magnesium butyrate‚ which is the calcium and magnesium salt form of butyric acid. Butyric acid is a naturally occurring short chain fatty acid often found in dairy products‚ and is thought to help you maintain a healthy colon and intestines; it does this by providing energy to colonic epithelium. Colonic epithelium is a very important bacteria that keeps your colon and lower intestine operating smoothly. ButyrEn's possible benefits may include: Healthier colon tissue Support for the beneficial bacteria in the large intestine Improved absorption of nutrients by the gastrointestinal tract.