Several studies have shown that taking oral probiotics may reduce or eliminate bad breath. Probiotics may reduce the chance of developing respiratory infections in children.

In the mouth, there are hundreds of species of bacteria that are naturally present. Some of these species can cause gum disease and tooth decay. These bacteria are found in the biofilm of the mouth. These bacteria also aid in maintaining the body’s minerals balance and immune system. However, when they are not maintained, they can lead to disease.