The present invention relates to nutritional compositions which are specifically designed to address the needs of infants and young children of at least 2 years of age. In particular, the invention provides a set of nutritional compositions for infants and young children, each nutritional composition having varying probiotic content. The set of the invention is specifically aimed at providing an optimal amount of probiotics to infants and young children over time and at each specific age.本發明係關於一種經特別設計以解決至少2歲之嬰兒及幼兒之需要的營養組合物。詳言之,本發明提供用於嬰兒及幼兒之營養組合物組合,各營養組合物具有不同益生菌含量。本發明之該營養組合物組合特別旨在隨時間且針對各特定年齡對嬰兒及幼兒提供最佳量之益生菌。