BioGaia Protectis tabs is a dietary supplement containing the patented lactic acid bacterium Lactobacillus reuteri Protectis (L. reuteri DSM 17938) that helps the good microorganisms restore a natural balance in the gut.The immune system is the main link between our gut bacteria and their influence on our health and disease,if the gut health is absloute then it will boost up the overall immunity.Thus stronger immunity there by healthy life with BioGaia