The B. lactis in Gerber Good Start Gentle Everyday Probiotic & Vitamin D Drops, a probiotic similar to those naturally found in breastmilk, have been clinically shown to help support the developing immune system & digestive health.Gerber Good Start Gentle Everyday Probiotic & Vitamin D Drops provide 400 IU of vitamin D—an essential vitamin that helps your baby absorb calcium for healthy bone development. Has benefits for babies born by C-section.Also, beneficial for babies born by C-section, who may have lower bifidobacteria in their digestive system. Daily supplementation of B. lactis may contribute to increasing the levels of good bacteria in your baby's digestive system.These statements have not been evaluated by the Food and Drug administration. This product is not intended to diagnose, treat, cure or prevent any disease. Suggested Use: Instructions: Gerber Gentle Everyday Probiotic Drops Use 5 drops once daily. Shake well before each use. Some settling may naturally occur. Air vent on inner portion of plastic cap needs to be facing upward. Turn bottle to a 45 degree angle to slowly form a drop. Drops can be given on the breast, mixed with breastmilk or formula, or by spoon. UPC: 050000935703 Weight: 0.38 lbs RKU: WAL514874243