How Much Protein Do Kids Need? A UK Parent's Guide

Protein is everywhere at the moment. Protein yoghurts, protein cereals, protein bars in the lunchbox aisle. If you have a child who plays a lot of sport or a toddler who seems to live on toast, it is natural to wonder whether they are getting enough. So, how much protein do kids need? Less than the marketing suggests. In this post I will explain the UK reference amounts in plain terms and show what that looks like on a real plate, using ordinary family foods.

How much protein do kids need each day?

In the UK, the amounts used as a guide are called Reference Nutrient Intakes (RNIs). These are set to cover the needs of almost all healthy children in each age group. According to the British Nutrition Foundation’s summary of UK nutrition requirements, the protein RNIs for younger children are:

Age	Protein per day (approx.)
1 to 3 years	14.5g
4 to 6 years	19.7g
7 to 10 years	28.3g

As children move into their teens, their needs rise towards adult levels, and they rise further for teenagers who are growing fast. I go into adult amounts in how much protein do I need.

These numbers often surprise parents because they are quite small. A 5-year-old’s whole day’s protein could come from a glass of milk, an egg and a portion of chicken or beans at dinner.

What that looks like in real food

Here are rough protein amounts for everyday foods. Check labels for exact figures, as brands and portion sizes vary.

• 1 medium egg: about 6 to 7g
• 200ml glass of milk: about 7g
• 30g of cheddar (matchbox size): about 7g
• Small pot of plain yoghurt: roughly 5 to 8g, more for Greek-style
• Half a small tin of baked beans: about 5g
• Slice of wholemeal bread: about 3 to 4g
• A child’s portion of chicken or fish: often 10 to 15g or more

Example day for a 4 to 6 year old

• Breakfast: porridge made with milk (about 6g)
• Snack: a cheese cube and some grapes (about 3g)
• Lunch: half a cheese sandwich on wholemeal bread (about 9g)
• Tea: fish fingers, peas and potatoes (about 10g)

That is around 28g, well above the reference amount of about 20g, from a very normal day.

Example day for a 7 to 10 year old

• Breakfast: wholegrain cereal with milk (about 7g)
• Lunch: tuna wrap, yoghurt, apple (about 20g)
• After school: toast with peanut butter (about 7g)
• Tea: spaghetti bolognese (about 15g)

That is roughly 49g, comfortably over the reference amount of about 28g.

So does my child need more?

For most children eating a varied diet with meat, fish, eggs, dairy or pulses, the answer is no. The NHS Eatwell Guide shows the balance to aim for from age 5: plenty of fruit and veg and starchy foods, with some protein foods (beans, pulses, fish, eggs, meat) and some dairy or alternatives. If your child is roughly following that, protein usually takes care of itself.

Protein products marketed at children are generally unnecessary. They cost more and can push out other foods children need, like fruit, vegetables and wholegrains.

When to take a closer look

• Very fussy eaters who refuse most protein foods.
• Vegan or vegetarian children, who need a good mix of beans, lentils, tofu, dairy or fortified alternatives across the day.
• Children with allergies to milk, egg, fish or nuts, where several protein foods are off the menu.
• Very active children training most days, who may simply need more food overall.

If any of these apply, or you are worried about your child’s growth or weight, speak to your GP or health visitor. They can refer you to a registered dietitian if needed.

Easy ways to spread protein through the day

Rather than counting grams, aim to include a protein food at each meal and in one snack:

• Breakfast: milk on cereal, eggs, yoghurt, or peanut butter on toast.
• Lunch: cheese, tuna, egg, chicken, hummus or beans.
• Snack: yoghurt, a glass of milk, a boiled egg or roasted chickpeas. There are lots more in my list of high protein snacks for kids.
• Dinner: meat, fish, beans, lentils, eggs or tofu, with veg and a starchy food.

Cheaper protein foods like eggs, tinned fish, lentils, beans and frozen chicken make this easy on a tight budget. For whole-family ideas, see healthy family meals on a budget.

Where a bootcamp class fits

The same simple approach works for parents too. In my classes I often find mums and dads making sure the kids have a balanced dinner and then grabbing toast for themselves. You need protein to recover from training and to keep your strength as you get older. Cooking one meal that works for everyone, with a decent portion of protein on your plate too, is one of the easiest habits to support your training. A boiled egg or yoghurt an hour before an evening class is plenty to keep you going.

FAQs

Can kids have too much protein?

Children eating normal food are very unlikely to get harmful amounts. The bigger issue with very high protein diets is that they can crowd out fruit, vegetables and fibre. Protein powders and shakes are not recommended for children unless a health professional advises them.

How much protein does a toddler need?

About 14.5g a day for 1 to 3 year olds, according to the UK reference values. A cup of milk, an egg and a small portion of meat, fish or beans covers that easily.

Do children who play sport need more protein?

Active children usually need more food overall, and a little more protein comes with it. A protein-rich snack after training, like milk and a banana, is usually enough. No supplements are needed.

Is a vegetarian diet OK for children’s protein?

Yes, with planning. Include dairy, eggs, beans, lentils, chickpeas, tofu and nut butters across the day. If your child is vegan, speak to your GP or a dietitian to make sure their diet covers all nutrients.

Book your first class

Kids fed and sorted? Then it is your turn. SYP Bootcamp runs 45-minute small-group classes indoors in a church hall in Archway N19, never more than 10 people, all fitness levels welcome, with an easier and harder option for every move. It costs £15 a class and you will get the timetable when you book. Book your £15 class here or call or WhatsApp me on 07301 512215. If you live up the hill, I also offer personal training in Highgate through SYP Fitness.

About the author

Artem Olekhnovych is a personal trainer in Archway and the founder of SYP Fitness and SYP Bootcamp. He has coached clients in Archway, Highgate and across North London for over 10 years, and runs small-group bootcamp classes for busy mums and dads. Read reviews from his 1-1 clients.