 [ Symptoms ] my son is 15 @51 120lbs what can be done to help him grow i am 51 my husband is 59 we are concerned about his height and want to make sure there is nothing we should be doing i e is there a medical condition we should check in to  pituitary are there any vitaminsnutrients he should be taking etc although his voice has not changed yet there are some signs of puberty in progress  we want to give him any benefit that might be available or rather we do not want to overlook any possiblities [ Disease ] you son is not done growing by a long shot in fact his major growth spurt puberty has probably just started which is later than girls but lasts longer while girls are typically done growing around 16 18 years boys do not stop growing until 18 20 years of age two years later boys can grow up to 4 inches a year during this time muscle growth is dependent on increases in testosterone and the beginning of puberty and that can vary from child to child as for nutrition provide your son with regular meals and snacks and allow him to eat to his appetite include lean protein sources fruits vegetables whole grains low fat dairy and healthy fats and nutrition poor foods in moderation if he is erratic with his eating a multivitamin can help if you are concerned about his height or any underlying medical issues see his pediatrician but try not to make a big deal of it if everything is okay from a health standpoint he will grow the way nature intended he may just be a late bloomer