How to start adding complementary foods to babies at six months old Six months is a critical period for babies to add complementary foods. Breast milk or artificial milk can no longer meet the baby\’s needs for various nutrients, so it is very important to add suitable complementary foods to your baby. So, how should we start adding complementary foods to our six-month-old baby? 1. Master the time of adding complementary foods. The time of adding complementary foods is very important. Adding them too early can easily cause indigestion, while adding them too late will affect your baby\’s nutrient absorption. Usually, solid foods can be introduced when the baby is six months old. Before adding, first observe whether the baby has the following symptoms: Himself