What is the shelf life of Enfamil A+® NeuroPro™ Gentlease®?

Enfamil A+^® NeuroPro^™ Gentlease^® Powder format has a shelf life of 18 months and Enfamil A+^® NeuroPro^™ Gentlease^® Ready to Feed format has a shelf life of 15 months. These are the shelf lives of unopened formula.