Daily's Colon-Aid™ is a scientifically balanced blend of live bacteria know to be important for good intestinal health plus FOS, a polysaccharide that encourages growth of beneficial bacteria. Three delayed-release capsules of Colon-Aid™ provide live Lactobacillus acidophilus 750 million, Bifidobacterium bifidus 750 million plus Fructooligosaccharides 1000 mg. Colon-Aid™ is kept refrigerated until shipped to keep the bacteria alive and healthy, and should be refrigerated after receiving it for maximum potency.