Girls, help with advice! Maybe someone has a similar situation. My sec…

Girls, help with advice! Maybe someone has a similar situation. My second son, who is 3.6 years old, has absolutely no appetite at all. He only eats bread and water. And everything...??‍♀️ And I tried not to feed him, so that he would start eating normal food when hungry. To no avail. I forced him to eat, but gagging reflex starts. But at the same time, he has energy, even from it. At school, the same situation. Maybe vitamins what to give? Although he also vomits on vitamins. Water with iodine according to Utram, I also give him, he throws up too. Very sensitive to any taste. What tests can he do? To understand what