Probiotics are beneficial forms of gut bacteria that help stimulate the natural digestive juices and enzymes that keep our digestive organs functioning properly. In addition to taking a probiotic supplement, you can also eat probiotic foods that are a host to these live bacterium.ne of the best probiotic foods is live-cultured yogurt, especially handmade. Look for brands made from goatâs milk that have been infused with extra forms of probiotics like lactobacillus or acidophilus. Goatâs milk and cheese are particularly high in probiotics like thermophillus, bifudus, bulgaricus and acidophilus.