Allergy Research BifidoBiotics 60CapsBifido Biotics by Allergy Research Group contains over 5 billion live cells from 5 Bifidobacterium strains for optimal digestive health. It supports the structure and functional integrity of the gut epithelial lining in numerous ways. BifidoBiotics x 60 Capsules New Formulation' The bifidobacteria group are the most common probiotics found in the large intestine. They are comparatively delicate however, and their numbers can easily be depleted.