Kefir is a fermented beverage composed of live and very useful probiotic mesophilic bacteria that have many properties for the digestive system and the immune system.
Kefir has an effective role in treating various diseases and compared to yogurt, in addition to live bacteria, it has more nutritional properties. Kefir is a good source of vitamins and proteins and contains a large number of amino acids essential for the health of the body. One of these amino acids is tryptophan, which is a good substance for relaxing the nervous system. As this product absorbs and stores calcium and magnesium, it is effective in strengthening the nervous system and can be soothing and helpful in people suffering from insomnia and stress.