What effect does beneficial bacteria have on human health?

Probiotics play an important role in human health, because the bacteria in the gastrointestinal tract are in a balanced state, including beneficial bacteria and harmful bacteria. If harmful bacteria overproduce, it will cause some diseases. At this time, it is necessary to supplement some beneficial bacteria to inhibit the growth of harmful bacteria. Can improve digestion and absorption. The food you eat is used well, the number of illnesses is reduced, and the body's resistance is improved.