Nutritional formulae which are specifically designed to address the needs of infants and young children up to at least 6 months of age. In particular, the invention provides a set of nutritional compositions for infants and young children, each nutritional composition having an age-specific caloric density. The set of the invention is specifically aimed at providing long-term benefits to the infants and young children such as reducing obesity and reducing cardiovascular diseases later in life.本發明係有關一種經特別設計以解決直至至少6個月之嬰兒及幼兒之需要的營養配方。詳言之,本發明提供用於嬰兒及幼兒之營養組合物組合,各營養組合物具有特定年齡之卡路里密度。本發明之該營養組合物組合特別旨在對該等嬰兒及幼兒提供長期益處,諸如減少以後生活中的肥胖及心血管疾病。