Every Day EXTRA is an advanced, multi-strain option, contains live cultures from the Lactobacillus & Bifidobacterium genera. Each capsule provides 20 billion live cultures and is recommended to support those with more significant digestive health issues, e.g. those sufferin gwith IBS symptoms, and also to modulate immune responses.This is anadvanced daily supplement to help maintain optimal levels of gut bacteria, and to complement your natural intestinal flora