For breastfeeding moms who choose to introduce formula. The Perfect Bottle® for your baby.• Easy to use, no mixing or measuring.• Ready to feed with nipple and ring.• Convenient to use at home or on the go. Should you choose to introduce formula, our ideal formula has:• Prebiotics (GOS) for softer stools, more like those of breastfeeding.• Vitamin E, an important nutrient found in breast milk to support developing cells.• DHA and ARA for brain and eye development.• Nucleotides to help support the immune system.• Lutein to support eye health. Similac® formulas for every baby's nutritional needs. Birth-12 Months Milk-Based Ready to Feed Convenient To Use at Home or On the Go OptiGRO™ DHA for Brain, Lutein for Eyes, Vitamin E for Development