Probiotic 30 Billion contains 8 different strains of friendly bacteria to support your digestive health in a convenient one-per-day capsule. This critical care formula contains both Bifido and Lactobacilli probiotic strains for large and small intestinal health support. Due to its advanced microencapsulation technology, this product is guaranteed potent at the expiry date and stable without refrigeration.There are over 500 different species of bacteria living in the human digestive tract, some of which are beneficial to health and others linked to gastrointestinal and immune system disturbances. Many factors can affect the balance of gut microflora, including antibiotic use, bacterial and viral infections, poor diet, stress, and potentially unsafe water and food sources while travelling.Dysbiosis is a microbial imbalance condition associated with chronic digestive complaints, repeated infections, and food sensitivities. An increasing number of gastroenterologists recommend the use of probiotics in conjunction with antibiotic treatment and in cases of chronic or acute gastrointestinal distress. Probiotic supplementation can help keep harmful bacteria in check and reduce the incidence of common digestive problems, such as diarrhea, constipation, bloating, gas, and cramps.