Kefir is fermented milk and an amazing source of probiotics. Blue Bay Kefir, from Mornington, Victoria (in our opinion) is Australia’s best, as it’s made from premium organic milk, has no added thickeners or preservatives. Kefir contains probiotics capable of colonising the gut, where they improve cholesterol metabolism and promote a healthier immune system. They also help balance good and bad bacteria and are effective in managing gastroenteritis. There is evidence to show that kefir…