Spore Probiotic is a 50 Billion CFU probiotic composed of four strains: B. clausii, B. mesentricus, B. subtilis, and B. coagulans. B. clausii is the most widely used probiotic in the world and research-proven to be a potenty immune stimulator. B. mesentricus produces amylase and proteases which support the growth of beneficial bacteria and helps in digestion by regulating abnormal movements. B. subtilis promotes a positive environment for the growth of beneficial bacteria. Finally, B. coagulans is a potent immune stimulator and supports digestive and urinary tract health, as well as nutrient absorption.