Micronutrients
Iron To make haemoglobin, the protein in red blood cells that carries oxygen to the tissues. To allow the muscles and brain to work properly.
Iodine To make thyroid hormones that help to control the way the body works. Iodine is essential for the development of the brain and nervous system in the foetus.
Zinc For growth and normal development, for reproduction and to keep the immune system working properly.
Vitamin A To prevent infection and to keep the immune system working properly. To keep the skin, eyes and lining of the gut and lungs healthy. To see in dim light.
B-group vitamins To help the body use macronutrients for energy and other purposes. To help the nervous system to work properly.
Folate To make healthy red blood cells and to prevent abnormalities in the foetus.
Vitamin C To aid the absorption of some forms of iron (see Box 6). To destroy harmful molecules (free radicals) in the body. To help wound healing.