Lactobacillus brevis is a lactic acid bacterium that is important for human health. It is commonly found in the gut and helps to maintain a healthy balance of microorganisms. There are several synonyms for Lactobacillus brevis, including "Brevis", "LB", and "Brevibacterium lactofermentum". This bacterium has been extensively studied for its probiotic properties, including its ability to enhance digestive health, improve immune function and maintain the balance of gut microbiota. In addition, it is used in the production of various fermented foods and beverages, such as beer, sourdough bread, and kimchi. Overall, Lactobacillus brevis is an important microorganism with numerous beneficial properties, making it an essential component of a healthy lifestyle.