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Fibre is found in fruits, vegetable sand grains and is not digested by your body.1
Eating a low fibre diet, restricted or low-residue diet as it’s sometimes known puts limitations on these foods.
This restricts the amount of undigested material passing through your large intestine is less, which results in a less bulky stool.
You may be recommended a low fibre diet for many reasons, which we’ll go into later in this article.
We’ll also look at why people follow low fibre diets, whether low fibre diets are safe and foods you can and can’t eat when following one.
Dietary fibre is the indigestible part of plants that helps maintain the structure of the plant.
Due to its indigestibility, fibre is important for the normal functioning of and in disorders of the large intestine or colon.
Many foods which contain fibre can benefit you and help add more substance to your diet, but some of the harsher, rougher fibres can cause you discomfort and add to any existing digestive difficulties you already be experiencing as it can be hard for your body to break it down.
There are two different kinds of fibre:
Soluble fibre is normally soft, moist fibre which is found in fruit, vegetables and pulses.
Insoluble fibre is commonly the outer shell of seeds, grains, fruits and vegetables.
Dietary fibre is important for your digestive health and regular bowel movements.
It also helps you feel fuller for longer, can improve cholesterol and help your blood sugar levels.
A low-fibre diet restricts the types of vegetables, fruits and grains that you can eat.
It may be that you have been advised by your doctor or health professional that you should start a low fibre diet. This could be for a number of reasons, commonly these can include:
A low fibre diet may also be recommended to somebody who has an upset stomach or cramping.
The aim of this is to give your digestive system a rest. This should:
Digestion varies from person to person. So, depending on your condition and tolerance, your doctor may recommend a diet that is more or less restricted.
A low fibre diet can be beneficial if you are having problems with your digestive system.
It is likely that your doctor will recommend a low fibre diet as it can be beneficial for:
As mentioned above, if you are following a low fibre diet there are certain foods you should try and avoid.
This is obviously dependant on each individual case, however, there are certain foods that you can eat, which we have split into categories to help you.
Here are 18 vegetarian and vegan foods that you can eat on a low fibre diet:3
Non-veggie and vegan options include:4
Avoid these foods and products made with them:5
Yes, bananas are good for a low-fibre diet. Providing they are ripe and you don’t eat the skin (not that you would anyway).
Should you only start a low-fibre diet if you have been told by a GP?
In most cases, people who follow a low fibre diet will have been instructed to do so on medical grounds by their doctor or a qualified health professional.
If you are thinking of doing so it is best advised that you ask for the opinion of a healthcare professional.
Many of the foods that are allocated to a low fibre diet are perhaps less healthy than high fibre alternatives, so you should only follow a low fibre diet after the recommendation of your GP or healthcare professional.
Your doctor can then tell you how long you should be on the diet, as this can vary on each individual.
Last updated: 30 August 2021