my son was 6 years old he was very lean i don't know what food I have to give him to grow healthy his height was good but weight can u suggest any supplement for vit D

A. Mam you should give more of proteins both veg and non veg in the diet are balanced nutritious diet and put your child into good physical sports and activity which will help in elevating the appetite and the diet and growth of your child automatically and don’t give any supplement without consulting the doctor