The present disclosure provides a premature infant formula fortifier comprising a protein component, a fat component, and a carbohydrate component, wherein about 10 to about 30% of the caloric content of the fortifier is from protein. Also provided is a composition for administration to premature infants, comprising i) a premature infant formula fortifier comprising a protein component, a fat component, and a carbohydrate component, wherein about 10 to about 30% of the caloric content of the fortifier is from protein, and ii) a premature infant formula. Additionally, the present disclosure provides a method for promoting the growth of a premature infant, comprising administering to the infant a composition comprising i) a premature infant formula fortifier comprising a protein component, a fat component, and a carbohydrate component, wherein about 10 to about 30% of the caloric content of the fortifier is from protein, and ii) a premature infant formula.本揭露內容提供包含蛋白質組分、脂肪組分及碳水化合物組分之早產兒配方奶粉強化劑，其中該強化劑之卡路里含量中約10至約30%係來自蛋白質。本揭露內容亦提供用於投予早產兒之組成物，其包含：i)包含蛋白質組分、脂肪組分及碳水化合物組分之早產兒配方奶粉強化劑，其中該強化劑之卡路里含量中約10至約30%係來自蛋白質，及ii)早產兒配方奶粉。此外，本揭露內容提供用於促進早產兒生長之方法，其包含投予嬰兒包含下列者之組成物：i)包含蛋白質組分、脂肪組分及碳水化合物組分之早產兒配方奶粉強化劑，其中該強化劑之卡路里含量中約10至約30%係來自蛋白質，及ii)早產兒配方奶粉。
