Three capsules of Colon-Aid provide 750 million live Lactobacillus acidophilus, 750 million Bifidobacterium bifidus plus 1000 mg of Fructooligosaccharides. Colon-Aid is kept refrigerated until shipped to keep the bacteria alive and healthy, and should be refrigerated after receiving it for maximum potency. 100 Vcaps per bottle. (C, SA)