“Did you ever go to bed and wonder if your child was getting enough to eat?” For food insecure mothers, the worry is constant, and babies are at risk of going hungry. Through compelling interviews, Lesley Frank answers the breastfeeding paradox: why women who can least afford to buy infant formula are less likely to breastfeed. She exposes the shocking reality of food insecurity for formula-fed babies and the constraints limiting mothers’ ability to breastfeed. Out of Milkcalls out the pressing need to establish the economic and social conditions necessary for successful breastfeeding and for accessible and safe formula feeding for families everywhere.