Federal Food, Drug, and Cosmetic Act (FFDCA) defines infant formula as 'a food which purports to be or is represented for special dietary use solely as a food for infants by reason of its simulation of human milk or its suitability as a complete or partial substitute for human milk'. Infant formula, also called baby formula, simply formula ( American English), baby milk or infant milk ( British English), is an ultra-processed food designed and marketed for feeding to babies and infants under 12 months of age, usually prepared for bottle-feeding or cup-feeding from powder (mixed with water) or liquid (with or without additional water). Infant formula An infant being fed from a baby bottle Manufactured food designed for feeding infants