1. The significance of complementary foods for 6-month-old babies. When babies are around 6 months old, breast milk or formula milk can no longer meet their nutritional needs. At this time, it is necessary to introduce appropriate complementary foods. In addition to providing a wider variety of nutrients, the appropriate introduction of complementary foods can also develop your baby\’s oral muscles and chewing ability, laying the foundation for future diet. Suitable for babies 2 and 6 months old