This product is a nutritional supplement called a probiotic that provides 16 strains to enhance the good bacteria and minimize the bad bacteria in your body. The result is boosting immune support, optimizes gastrointestinal health, promotes a healthy colon and digestive system including bladder and bowel function. It comes in an easy to swallow capsule taken twice a day with food or water. It definitely works fast and is one of the best sellers in nutritional supplements you will find.