BioGaia Protectis baby drops D3 is a food supplement containing the patented lactic acid bacterium Lactobacillus reuteri Protectis®/TM (L. reuteri DSM 17938) that helps the good microorganisms restore a natural balance in the gut. Because L. reuteri Protectis naturally colonizes humans it has a strong adaptation to persist and interact with humans.L. reuteri Protectis has been tested in more than 210 clinical trials and proven safe for children. Vitamin D contributes to the normal function of the immune system in children and is also needed for normal growth and development of bone in children.Recommended Dosage: 5 drops once daily. One dose consists of a minimum of 100 million live L. reuteri Protectis and 10 μg of vitamin D3.Caution: Not intended for use in premature infants. Discontinue use and consult a health care practitioner if symptoms of digestive upset (e.g. diarrhea) occur, worsen or persist beyond 3 days. Do not use if you are experiencing nausea, fever, bloody diarrhea or severe abdominal pain. Do not use if you have an immune compromised condition (e.g. AIDS, lymphoma, patients undergoing long-tem corticosteroid treatment).