Calcium: Calcium needs increase steadily throughout childhood and remain high throughout the teen years, when the bulk of the bone development takes place.
Choline: Choline is needed for optimal brain and nervous system development. Many children might not get enough of this important nutrient.
Folate: Adequate folate is important to maintain normal growth rates in children.
Iodine: Even mild iodine deficiency could cause subtle changes in brain function in children.
Iron
Vitamin A: Food and supplement labels list vitamin A in International Units (IUs), but as the availability of vitamin A to the body varies depending on the source. Nutritionists use “Retinol Activity Equivalents” (1 IU retinol = 0.3 mcg RAE).
Vitamin B12: Vegetarian or vegan children may not get enough vitamin B12.
Vitamin C: Vitamin C is a key player in immune system and collagen health, and helps improve iron absorption.
Vitamin D: Vitamin D works with calcium to help build young bones, protecting against disease later in life.