Some of the most effective probiotic foods include yogurt, sauerkraut, miso soup, kefir, and Gouda cheese, according to WebMD. Sourdough bread, acidophilus milk, and naturally fermented sour pickles are also high in beneficial bacteria.
Although many varieties of yogurt are available, those with live and active cultures are most beneficial to digestive health, says WebMD. Kefir is similar to a thick liquid yogurt and contains unique strains of probiotic bacteria. Unpasteurized sauerkraut is superior to pasteurized products since many beneficial types of bacteria are killed in the pasteurization process. Miso soup contains over 160 varieties of probiotic strains. Soft cheeses, such as Gouda, help to carry and ensure the survival of probiotic bacteria deeply into the intestines. Acidophilus milk is fermented with bacteria, much like buttermilk, which is another excellent probiotic drink.