Bifidobacteria declines as you age. Our Adult 50+ Probiotic formula combines 10 types of beneficial bacteria for colon flora balance, including 4 Bifidobacteria strains. Our probiotic blend contains strains that are beneficial to the immune system and support a healthy digestive system. Each capsule contains 5 billion colony forming units (CFU), and when taken daily, helps support digestive health. Probiotics may support balance in the gastrointestinal tract. Issues such as diet, stress and changes in your daily routine may wreak havoc to your digestive system. In addition to a healthy lifestyle and diet, add our probiotics to your daily wellness routine to help maintain overall digestive health. The ten Probiotic strains have been clinically studied for safety and efficacy.