BioGaia Protectis Baby Drops with Vitamin D is a 2-in-1 food supplement with probiotic bacteria of high quality, with the added benefit of Vitamin D, to support baby’s gut health from the very first days of life. It contains the patented lactic acid bacterium Protectis L. reuteri* DSM 17938 that is clinically-proven to help good microorganisms maintain a natural balance in the gut. It also contains Vitamin D, which contributes to the normal functioning of the immune system and is needed for normal growth and development of bone in children. Probiotic products with L. reuteri DSM 17938 are among the most researched probiotic products in the world. One of the safest and most clinically studied probiotics in infants.