Bifidobacterium breve is a species of beneficial bacteria that resides in the human gut. It is a type of probiotic that has numerous health benefits such as improving digestive health, reducing inflammation, and boosting the immune system. While Bifidobacterium breve is the scientific name for this strain of bacteria, it is often referred to by different synonyms. Some of its common synonyms include Bb12, BB536, and DN-173 010. These names are often used in the context of food and probiotics supplements, which contain this powerful probiotic strain. Regardless of the name, the benefits of Bifidobacterium breve remain the same, making it a popular choice for people looking to improve their gut health.