"Udos Choice Super 8 Probiotic is a powerful therapeutic formula of eight specific strains of friendly bacteria. Specially formulated for rectifying serious flora imbalance or disruption. Probiotics are the beneficial friendly bacteria that occur throughout the digestive tract. They are absolutely essential for proper digestion, strong immune function, and overall health. New research is establishing how important the supplementation of probiotics can be for a variety of degenerative conditions. Guarantee thirty billion viable organisms of beneficial bacteria* - that are absolutely essential for proper digestion, strong immune function and over-all health. (*at time of manufacture) "