Enfamil Enspire Gentlease Infant Formula is an inspired way to nourish. Enspire Gentlease has MFGM and Lactoferrin, two key components found in breast milk, making it our closest formula ever to breast milk. Lactoferrin is a protein found in colostrum and breast milk that supports the immune system and intestinal development, and MFGM has been shown to support mental development.