Answer:
The big 4 micronutrients are Iron, Iodine, Vitamin A and Zinc
Step-by-step explanation:
Iron prevents iron deficiency anemia and maintain cognitive and physical development. Iodine aids in the optimal development of the brain and helps in maintaining a healthy metabolism. Vitamin A is mainly for keeping your eyes and vision healthy, for overall growth and development and a strong immune system. Zinc is also for growth and development and a stronger immune system