Nutrients can be classified as essential or non-essential. Which of the following is/are reasons why a nutrient could be considered an essential nutrient?
vitamin D is essential because if a child with insufficient vitamin D intake eventually receives high doses of vitamin D, permanent
damage from the vitamin D deficiency disease rickets can be avoided.
iron is essential because it promotes transport of oxygen to cells in the body.
vitamin C is essential because without sufficient vitamin C, the nutrient deficiency disease scurvy can occur.
