New Formula! Higher Potency with Live Cultures. 7 Senior-Specific Strains. 34 Billion Cells at Time of Manufacture. Advanced Adult's Probiotic includes 7 strains of beneficial bacteria. It is designed to meet the specific digestive needs of seniors support the healthy development of flora in the small and large intestine promote proper digestion and is ideal for travelers to maintain healthy flora while away from home. Since probiotics are living organisms their potency slowly decreases over time (2% per month). Keep refrigerated whenever possible and freeze to prolong shelf life.