The effects of active lactic acid bacteria include promoting the absorption of nutrients, improving the function of gastrointestinal tract and protecting gastric mucosa. 1. Promote the absorption of nutrients: active lactic acid bacteria can effectively promote the absorption of sugar, protein, calcium and magnesium ions, and can also reduce the absorption of cholesterol. 2. Improve the function of the gastrointestinal tract: active lactobacilli produce lactic acid in the body can inhibit the growth and reproduction of harmful bacteria, which is conducive to regulating the function of the gastrointestinal tract, stimulate more peristalsis in the intestine, and reduce the occurrence of constipation and diarrhea. 3. Protect gastric mucosa: active lactobacilli can indirectly promote the production of vitamin B in the intestinal tract, which is conducive to the protection and repair of gastrointestinal mucosa.