Why your baby needs iron

It is one of the most important nutrients for babies and toddlers, so how can you make sure your baby is getting enough iron?


Babies are born with a store of iron in their body that lasts around six months. After that, this store starts to become depleted. So an iron-rich diet is essential to keep them healthy.


What is iron?

Iron is involved in the production of red blood cells, which transport oxygen around the body. It also helps to release energy in the body and is needed for the development of nerves and neurotransmitters in the brain.

If your baby does not get enough iron they are at risk of iron deficiency, or anaemia. This can make them lethargic, pale and breathless and is linked with developmental delays and behavioural problems.


Why are babies and toddlers at risk of iron deficiency?

Because they are growing so fast, children need more iron in their first few years than at any other time of their life. But nearly 90 per cent of children between one and three get less iron than is recommended1. Fussy eaters can be particularly vulnerable.


How much iron do babies and toddlers need per day2?

  • 0-3 months: 1.7mg
  • 4-6 months: 4.3mg
  • 7-12 months: 7.8mg
  • 1-3 years: 6.9mg

Once you are weaning your baby, the recommended daily intake of iron can be achieved by following a balanced and varied diet that includes plenty of iron-rich foods.


Where does iron come from?

There are two types of dietary iron. Iron found in animal sources is known as haem iron and is easily absorbed by the body. Good sources include:

  • Red meat, such as beef, pork, and lamb
  • Poultry, particularly the darker meat
  • Eggs
  • Oily fish, such as tuna, salmon, sardines, mackerel, trout and kippers.

Iron that is present in non-animal sources is known as non-haem iron. Good sources include:

  • Fortified breakfast cereals and baby foods
  • Pulses and lentils, including baked beans for example
  • Most dark green leafy vegetables such as broccoli, watercress, sprouts and cabbage
  • Dried fruit such as raisins, dried apricots and dried figs.

Non-haem iron is less easily absorbed than haem iron. Giving your baby foods that are high in vitamin C at the same time will help them absorb it. Good sources of vitamin C include citrus fruits, tomatoes, peppers, kiwi fruit, blackcurrants, strawberries and mango.


Iron and milk

Breast milk is the best milk for your baby in the first six months. The iron in breast milk is more easily absorbed than in infant formula. However, beyond six months it is especially important to give your baby an iron-rich diet.

Infant and follow-on formula are enriched with iron. This is from a non-haem source, so formula also contains vitamin C to help with iron absorption.

Follow-on formula has higher iron levels to meet your baby's growing needs.

Cows' milk does not contain enough iron for babies and is not suitable as a drink before 12 months.

1 Gregory J, Collins DL, Davies P et al.  National Diet and Nutrition Survey: Children aged 1.5 - 4.5 years.  Vol 1. Report of the diet and nutrition survey, HMSO, London, UK, 1995.

2 Department of Health. Dietary Reference Values for Food, Energy and Nutrients for the United Kingdom. Report of the Panel on Dietary reference Values of the Committee on Medical Aspects of Food Policy. TSO.


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