Build a strong foundation for your baby with Culturelle Baby Immune & Digestive Support Probiotic + Vitamin D Drops, from the #1 Pediatrician recommended brand±. As your baby develops, they're being exposed to good and non-beneficial bacteria which may lead to an imbalance in their tummy. A balance of good bacteria is important to your babys healthy development. Developing a healthy microbiome, immune system and digestive health is an important need for babies. Thats why we've developed Culturelle Baby Immune & Digestive Support Probiotic + Vitamin D Drops, with ingredients to supplement and balance your babys good bacteria, help promote nutrient absorption, and help support overall health, so that baby and mommy can enjoy these precious years. What makes Culturelle Baby Immune & Digestive Support Probiotics the best choice? Our product contains Lactobacillus rhamnosus GG and Bifidobacterium animalis subsp. lactis BB-12® probiotics, two of the most clinically studied probiotics, to help develop a healthy digestive system for better nutrient absorption. Also, Culturelle Baby Immune & Digestive Support Probiotic + Vitamin D Drops contains 100% of the daily value of Vitamin D recommended by the American Academy of Pediatrics (AAP).