Talk to Pediatrician on Dietician And Pediatrics

assalamu alaykum. i have masha Allaah been blessed with 2 daughters aged 13 years 6 months and 11years 1 month .1 son who is 7 years 5 months.(approximate ages). kindly advise which diet which sort of proteins what kind of vitamins are most vital for their overall growth of height and weight,muscles,bones,also their mental intelligence and their immunities against diseases. kindly advise which foods shall they consume the most. i must mention here that all of them are not good eaters.they are all fond of junk type food like nuggets pizza etc.we give them one egg one parathaa some sort of vegetable forcefully. they dont like to eat desi pakistani meat dishes