Micronutrients

explain the functions and identify the main sources of the
following micronutrients:
− vitamins A, B1, B12, C and D, and folate; and
− the minerals sodium, iron and calcium;
• explain the interactions between iron and vitamin C, and
between calcium and vitamin D;
• discuss the possible consequences of deficiencies in these
micronutrients:
− folate;
− vitamin C;
− vitamin D;
− calcium; and
− iron;