Nestle Nan Opti Pro 2 follow-up formula for infants after six months. It contains Opti-Pro, an exclusive optimal protein blend that provides your child with the right amount of high-quality proteins. And the nutrients necessary for growth and development. Supplemented with Bifidus BL and a patented active probiotic that helps maintain digestive health during your baby's crucial first year of life and helps support your baby's natural immunity.