Diets for children during the period of complementary feeding, spanning from 6 to 23 months, play a crucial role in their survival, growth, development and overall well-being. This period presents a unique challenge as young children's nutrient needs reach a peak while their stomach capacity remains limited. Adequate complementary foods and feeding practices are essential to decrease the prevalence of all types of childhood malnutrition, such as micronutrient deficiencies, non-communicable diseases linked to diet, wasting, obesity, stunting and overweight.

The nutritional quality of children's diets during the period of complementary feeding significantly impacts their future health. Nutrient-rich, diverse and age-appropriate foods are crucial for meeting their growing nutritional demands. A diet consisting of various food groups, including animal-source foods, vegetables, fruits and fortified foods, ensures a sufficient intake of essential nutrients. It is vital to avoid low-nutrient foods, sugary beverages and added sugars to promote healthy eating habits and prevent childhood obesity.