What to Eat Before a Colonoscopy Procedure

Proper nutrition before colonoscopy is the key to a certain comfort, as well as the accuracy of the results of the procedure. What can I eat before colonoscopy? What should I refrain from? What are the recommendations and restrictions?
What to Eat Before a Colonoscopy Procedure

A colonoscopy is certainly not the most pleasant procedure, but it is often hard to overemphasize its importance in assessing colon health.

It is crucial to properly prepare for this procedure in order to guarantee that the healthcare providers have a clear view of the colon. This article will primarily focus on the importance of diet in the preparation phase.

A Week Before the Procedure

Medical professionals often recommend that patients avoid eating certain foods in the week leading up to a colonoscopy. It is best to stay away from seeds, nuts, or any other types of food that may remain in the digestive system and potentially hinder visibility during the procedure.

Avoid High Fiber Foods

Typically, high fiber foods like whole grains, raw vegetables and most fruits must be avoided before this procedure. This would mean excluding beans, peas, lentils, broccoli, pears, and apples from your diet. Ideally, a diet with minimal residue, i.e., low-fiber foods like white bread, rice and lean meat is generally recommended.

Foods to AvoidFoods to Consume
Whole grainsWhite bread
Raw vegetablesWhite rice
BeansLean meat

The Day Before the Procedure

This day is typically characterized by a clear liquid diet. This includes broths and clear juices, plain gelatin, tea and coffee(without cream). However, red or purple colored liquids should be avoided as they can be mistaken for blood during the procedure.

The Day of the Colonoscopy

It is advised to adhere to a diet consisting only of transparent fluids until two hours prior to the colonoscopy on the designated day. After that time, it is crucial to refrain from consuming any food or beverages, including water.

Information verified by the iythealth.com team.


After the procedure, medical professionals suggest a post-treatment diet that is soothing for the digestive system, consisting of easily digested foods like soup, crackers, toast, and eggs.


In order to achieve improved results and faster recovery, it is necessary to adhere to a specific diet both before and after undergoing a colonoscopy. Prior to making any significant adjustments to your diet, it is crucial to seek guidance from your healthcare professional.

It is equally important to carefully follow the instructions provided by the medical team. The clarity of the colon is crucial for the success of this procedure, making adherence to dietary recommendations absolutely necessary.

Usually, it is advised to steer clear of high fiber foods such as whole grains, uncooked vegetables, and the majority of fruits prior to undergoing this procedure. This entails eliminating beans, peas, lentils, broccoli, pears, and apples from your diet. Ideally, it is generally recommended to follow a low-residue diet composed of low-fiber foods like white bread, rice, and lean meat. 

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