BODY contains prebiotics (food for the good bacteria to thrive on) and probiotics (the actual good bacteria). So for many people, BODY may be enough to be their only probiotic supplement. Others, however, who have specific digestive issues may need more concentrated forms of probiotics or more specific strains. In these cases, BODY is excellent to use alongside a course of specific probiotic strains, as it feeds those strains and helps them to become established and flourish within the digestive tract. Fermented foods are foods that have been through a process of lacto-fermentation in which natural bacteria feed on the sugar and starch in the food ,creating lactic acid. This process creates millions of friendly bacteria. BODY contains the following probiotics: L acidophilus, L plantarum, L rhamnosus, B lactis and B longum.