#2 – Kefir
Many people do not even know what kefir is, even though you can find it in any supermarket across the world. It is a fermented milk drink made with kefir grains, which are healthy bacterial fermentation starters. The next time you go shopping; don’t overlook this drink which is packed with so many beneficial probiotics that will keep you away from any type of sickness as long as you drink regularly.