PROGRESSIVE - Perfect Probiotic 50 Billion Adults 50+ (Shelf Stable) - 30 vegetable Capsule(s) - NPN: 80106699 -- Perfect Probiotic Adults 50+ 50 Billion is specially formulated with a higher ratio of Bifidobacteria probiotic strains to support the digestive health of Adults 50+. Featuring 8 probiotic strains to support your entire digestive tract in a delayed release vegetable capsule. Plus, it's part of the world's first TRU-ID® certified probiotic family; guaranteed to include every species on the label.