This product contains 20 billion CFU of Lactobacillus sarkeri probiotics 65. This specially selected probiotic is a patented ingredient recognized by many countries around the world. It has antibacterial and anti-allergic effects through a number of human clinical trials. Combined with prebiotic ingredients - fructooligosaccharides, it can accelerate the reproduction of beneficial bacteria in the intestinal tract, help improve allergic skin conditions, regulate skin health and sensitive constitution.