Probiotics are live microorganisms that may be consumed through fermented foods or supplements, Studies have shown that the bacteria, fungi, and viruses in your digestive system determine your overall health. When these organisms, which make up the microbiome of the digestive tract, are in balance your immune, brain, and gut are in good health. If there is an imbalance problems can occur that such as autoimmunity, anxiety, or malnourishment.