At 6 months, your baby is eager to explore the world. Probiotics can help keep your 6 month old's tummy healthy. Whether you're moving up from stage 1 formula or looking to supplement breastfeeding, NESTLÉ GOOD START 2 Probiotic with Omega 3 and 6 is the only stage 2 formula containing the Probiotic B. lactis that contributes to baby's healthy digestive tract flora. At Nestlé, we strive to give you and your baby our very best. That is why we choose to use packaging made without the use of bisphenol A (BPA) for all our infant formula products.