Bacillus coagulans is a species of bacteria called as a probiotic. This effective probiotic is commonly found in soil and in the gastrointestinal tracts of animals, including humans. It has been shown to have a number of health benefits, including improving digestive health, boosting the immune system, reducing inflammation, and reducing the symptoms of IBS. Bacillus coagulans is often found in probiotic supplements and functional foods, and is generally considered safe for human consumption.