Fetal Intelligence Killer 1: MSG The main component of MSG is monosodium glutamate. Zinc in the blood binds to it and is excreted in the urine. Excessive intake of MSG consumes large amounts of zinc. Medical research shows that if pregnant women in late pregnancy eat more MSG, it will cause fetal deficiencies. Zinc, and zinc is necessary for fetal growth and development. It affects the physical and mental development of the child after birth. Therefore, for the sake of the baby\’s intelligence, pregnant mothers should eat less MSG. The World Health Organization has proposed that adults should not consume more than 4 grams of MSG per day, and pregnant women and children under one year old should not consume MSG. Animal experiments have shown that excessive consumption of MSG in children under one year old may cause