Growing children and young people need a healthy diet to support their developing bodies.


Childhood is a great time to start laying the foundations for a life-long healthy diet with plenty of fruit and vegetables, starchy foods and lean protein.

Strong bones

We need to develop strong bones when we’re young to help protect against bone diseases like osteoporosis later on in life. Bones grow throughout childhood – the fastest growth happens when children are very young, then again when they go through puberty. Children need enough calcium and vitamin D in their diet to build strong bones.


We should only eat a small amount of sugar to stay a healthy weight and look after our teeth. It’s particularly important to cut down on free sugar – that’s the sugar added to food and drink as well as the sugar found in things like honey, syrup, fruit juices and smoothies.

Sugary drinks are one of the main sources of free sugar in our diet and we know that teenagers often drink a lot of them. Just one can of cola can contain as much as seven cubes of sugar – that’s as much sugar as an adult should consume in a whole day.

Encourage children and young people to swap sugary drinks for diet, sugar-free and no added sugar drinks as well as water and milk. Remember, fruit juices and smoothies contain a lot of sugar, so limit them to one small glass (around 150ml) each day.


We only need a small amount of salt – the maximum recommended for everyone over the age of 11 is just 6g per day. Children under 11 need even less.


Aim to eat two portions of fish every week, including one portion of oil-rich fish like salmon, mackerel or herring. Children shouldn’t eat swordfish, shark or marlin because it contains more mercury than other types of fish which can be harmful to their developing nervous system.

Boys can eat up to four portions of oil-rich fish per week but girls should have no more than two portions. This is because the low level of pollutants in oil-rich fish could build up in their bodies and harm an unborn baby during any future pregnancies.

Don’t give raw shellfish to children – there’s a risk of food poisoning.

A healthy lunch

School lunches are a great choice but if your child prefers a packed lunch there are lots of ways to make it a healthy option.

  • Base lunch around starchy carbohydrates like bread, potatoes, rice or pasta. It doesn’t always have to be a sandwich, why not try a pasta salad instead?
  • Include fruit and veg, like a piece of fruit, some carrot or cucumber sticks or veggie soup
  • Add some protein: beans, pulses, fish, eggs or lean meat. Tuna makes a great sandwich filler
  • Use low-fat and low-sugar dairy foods – you could add a pot of low-fat natural yogurt with chopped whole fruit
  • Remember sugary drinks have no place in a children’s diet – instead choose water, lower fat milk or sugar-free drinks

Healthy lunches for older kids

Older children and teenagers often go out for lunch during the school day. This makes it harder to make healthy choices, so encourage your child to stay at school for lunch or help them put together a healthy packed lunch.

If they do go out for lunch, talk to them about the food they choose. If your child likes to pick up a meal deal encourage them to pick a sandwich with wholemeal bread and choose a sugar-free drink. Encourage them to cut down on the amount of unhealthy snacks they eat too.

Some kid’s menus in restaurants are quite limited, but you can always ask for a smaller portion from the main menu.

Talk to your children about food labelling and how it can help us make better choices – look out for calorie labelling in cafés, restaurants and takeaways when you’re out together.

More on this topic

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​Eatwell Guide Booklet

Test cache The Eatwell Guide shows the proportions in which different types of foods are needed to have a well-balanced and healthy diet.

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