Many of us don’t eat enough fibre despite it being an important nutrient that has many health benefits. In fact, most adults eat less than two thirds of the recommended daily intake.

If this is you, you might be interested in trying a high fibre diet, an eating plan that prioritises the recommended dietary fibre intake to help you stay fit and healthy. In this guide we share what fibre is, why it’s important and how to get more into your daily diet.

What is fibre?

Fibre comes from plants (such as fruit and vegetables) and plays a crucial role in our digestive health. It can’t be broken down by the body and instead passes through to the large intestine (the colon) undigested. This helps to regulate our hunger and prevents constipation.

Different types of fibre

There are two main types of fibre that each have different roles to play, so it’s important to consume them all in your diet.

Soluble fibre dissolves in water to create a gel like substance that softens stools, aiding constipation.
Insoluble fibre can’t be dissolved or digested. Instead, it helps to move food through the body by attracting water, making digestion quicker and stools easier to pass.

Why do we need fibre in our diets?

A high fibre diet is important for the overall digestive system but there is also strong evidence that it helps:

Improve gut health and bowel movements
Lower the risk of heart disease and stroke
Lower the risk of certain cancers
Control blood sugar levels

What foods are highest in fibre?

Many plant-based foods are rich in fibre including fruit and vegetables. Here are just a few to add to your healthy diet:

Beans, chickpeas and lentils
Berries
Apples and pears
Bananas
Whole grain foods including bread, pasta and rice
Oats
Avocados
Broccoli
Carrots
Artichoke
Popcorn
Dried fruit
Potatoes
Nuts and seeds

Recommended fibre intake

In recent years, the guidance for dietary fibre intake increased as many adults and children do not eat enough fibre as part of a healthy diet:

Age group	Recommended fibre intake
Children aged 2-5 years	15g per day
Children aged 5-11 years	20g per day
Children aged 11-16 years	25g per day
Children and adults aged 16 years +	30g per day

How can I get more fibre in my diet?

Have a high-fibre breakfast. Cereals made with wholewheat or wholegrain are a great source of fibre, as are porridge oats which will keep you fuller for longer.
Eat more whole grains. Granary, wholemeal and whole wheat breads have more fibre than those made with white flour. You can also switch to brown rice, barley and bulgur wheat.
Switch to potatoes with skins on to boost your fibre intake such as boiled or baked potatoes.
Bulk up on beans. Add more pulses to your ingredients list such as beans, lentils and chickpeas. They’re a simple source of fibre that can be put into stews, curries and salads.
Get your 5-a-day by adding more vegetables to each meal either as a side dish, snack or part of the recipe.
Choose fibre-rich snacks that are easy to prepare such as veggie sticks, fresh fruit, wholegrain crackers and popcorn.
Include fibre supplements as a part of a healthy, balanced diet to aid symptoms of discomfort and poor digestive health.

Tips for meal planning

Here are some example meals that are high in fibre which you can add to your daily meal plans.

Fibre at breakfast

Two slices of wholegrain toast with sliced fruit
Low fat yoghurt and an apple
Bowl of high-fibre muesli or overnight oats

Fibre at lunch

Jacket potato with baked beans
Two slices of wholemeal toast topped with avocado
Chicken and chickpea salad with leafy greens

Fibre at dinner

Vegetable curry with wholegrain rice
Roasted vegetables and chickpeas with wholemeal pasta
Lentil and bean chilli with brown rice

Fibre as a snack

Banana bran muffins
Handful of nuts such as almonds or cashew nuts
A small bag of popcorn

You can also get more tips and advice on other healthy diets such as the Mediterranean diet, keto diet and paleo diet.

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References

www.nutrition.org.uk/healthy-sustainable-diets/starchy-foods-sugar-and-fibre/fibre
www.wsh.nhs.uk/CMS-Documents/Patient-leaflets/ColorectalandStomaCare/5147-2Fibre.pdf
www.nhs.uk/live-well/eat-well/digestive-health/how-to-get-more-fibre-into-your-diet