
A liver-reducing diet is a pre-operative diet for patients who are at risk of having their surgery cancelled because their liver is too large. This diet is typically followed for two weeks before an operation and involves consuming only liquids, including milk and calorie-free drinks. It is important to note that this diet is not suitable for everyone, especially those with diabetes or kidney problems, and should only be followed under medical supervision.
Liver-reducing diet
| Characteristics | Values |
|---|---|
| Purpose | To reduce liver size before surgery |
| Duration | Two weeks before surgery |
| Daily milk intake | 4 pints (2 litres) of semi-skimmed cow's milk, lactose-free milk, or soya original |
| Sweeteners | Use sweeteners instead of sugar in tea and coffee |
| Calorie-free drinks | 2 pints (1 litre) per day |
| Carbohydrates | 120g per day |
| Solid food | None |
| Fruit | Two portions per day (e.g. apple, pear, banana, or orange) |
| Yogurt | One low-fat, low-sugar yogurt per day |
| Constipation prevention | Drink 2–3 litres of fluid to prevent constipation due to reduced fibre intake |
| Side effects | Ketosis, bad breath, tiredness, headaches, mild dizziness, and nausea |
| Alcohol | Avoid alcohol |
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What You'll Learn

For two weeks before surgery, you can only consume liquids
For two weeks before your surgery, it is crucial that you only consume liquids. This is an essential aspect of the liver-reducing diet, which aims to ensure your liver is an appropriate size for the procedure. During this time, you must not eat any solid foods. Here is a detailed breakdown of the liquids you can consume:
Firstly, you should aim to drink 4 pints (2 litres) of milk each day. The recommended types of milk include semi-skimmed cow's milk, lactose-free milk, or soya original. It is important to note that alternative milk types, such as oat, almond, or rice milk, are not suitable for this diet.
In addition to milk, you should also consume 2 pints (1 litre) of calorie-free drinks throughout the day. Try to spread your drinks evenly throughout the day, and consider using sweeteners instead of sugar in your tea and coffee. It is also crucial to stay properly hydrated, drinking 2 to 3 litres of water or other fluids to prevent constipation.
While on this liquid diet, it is important to be mindful of potential side effects. Your body may experience ketosis, where it burns fat instead of carbohydrates, leading to the production of ketones. This can result in bad breath, tiredness, headaches, mild dizziness, and nausea. To counteract these effects, maintain good oral hygiene by brushing your teeth frequently and using mouthwash. Sugar-free chewing gum or mints can also help. Additionally, ensure you inform your surgeon, dietitian, or specialist nurse if you have any pre-existing conditions or concerns.
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You must consume 4 pints of semi-skimmed cow's milk, lactose-free milk, or soya milk
A liver-reducing diet is often recommended before surgery if your liver is too large, and it is unsafe to operate. This diet is not suitable for everyone, and you should consult your doctor before starting it. It is also important to note that this diet is only to be followed for the time advised by your surgeon.
A liver-reducing diet involves consuming 4 pints of semi-skimmed cow's milk, lactose-free milk, or soya milk. It is important to note that alternative milk types, such as oat, almond, or rice milk, are not suitable for this diet. This is because the focus is on getting enough calcium, which is more readily available in the recommended milk types.
Calcium is essential for liver health, and milk is an excellent source of it. Consuming 4 pints of these specific types of milk ensures you get enough calcium, which can help prevent the development of fatty liver disease. Additionally, milk is a good source of vitamin D, which has also been linked to a reduced risk of fatty liver disease.
It is also recommended to include 2 pints of calorie-free drinks in your diet. Coffee, without added sugar or creamers, is one such drink that has been shown to be effective in improving fatty liver health. Multiple cups of coffee a day may be recommended, and it is important to stick to the recommended amount of milk.
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You must also consume 2 pints of calorie-free drinks
A liver reduction diet is a pre-operative diet for patients who require laparoscopic surgery but have a liver that is too large for the procedure to be safe. This diet is to be followed for two weeks before the operation and involves not eating any solid food. It is important to consult with your diabetes team before starting this diet, as it will likely require changes to your medication. It is also advised that you consult your kidney doctor before starting this diet if you have problems with your kidneys.
The liver reduction diet requires you to consume 2 pints (1 litre) of calorie-free drinks per day. This is in addition to the 4 pints (2 litres) of semi-skimmed cow's milk, lactose-free milk, or soya original milk that you will also be consuming. It is important to note that alternative milk types, such as oat, almond, or rice milk, are not suitable for this diet.
To help you stick to this aspect of the diet, there are a few things to keep in mind. Firstly, try to spread your drinks evenly throughout the day. This can be done by planning ahead and considering how the diet may affect your daily life and the support you may need. For example, you might need to think about who will be doing the shopping and cooking during this time. It is also a good idea to remove any tempting foods from your house, including any drinks that are not part of your diet.
Sugar-free chewing gum or mints can help you cope with any unpleasant side effects of ketosis, which can occur as your body burns fat instead of carbohydrates. This can result in the production of ketones, which may cause bad breath, tiredness, headaches, mild dizziness, and nausea. Brushing your teeth more frequently and using mouthwash can also help with bad breath.
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You can consume one low-fat, low-sugar yoghurt per day
A liver-reducing diet is often prescribed to patients with fatty liver disease or those preparing for liver surgery. The aim is to reduce fat in the liver and lower the risk of developing serious liver diseases.
A healthy, balanced diet that is low in processed foods and sugar, including fructose (fruit sugar), can help reduce fat in the liver. This means limiting or avoiding sugary foods like candy, cookies, soda, and fruit juice, as well as alcohol, which can be a major cause of fatty liver.
One low-fat, low-sugar yoghurt can be consumed per day as part of a liver-reducing diet. Yoghurt is a good source of protein and can help manage fatty liver disease risks. However, it is important to choose plain, unsweetened yoghurt with live and active cultures, as some popular flavoured yoghurts can have high amounts of added sugar. Greek yoghurt is a good option due to its higher protein content, which can help with appetite control and delay feelings of hunger.
In addition to yoghurt, a liver-reducing diet may include fruits, vegetables, lean protein, whole grains, and healthy fats. It is recommended to limit fruit to a maximum of two portions per day, as while fruit provides important vitamins and fibre, it also contains fructose, which increases liver fat. It is also important to drink enough fluid, as constipation may occur due to reduced fibre intake.
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You can have two portions of fruit per day
A liver-reducing diet is a pre-operative diet for patients who are at risk of having their surgery stopped because their liver is too large. This diet is to be followed for two weeks before the operation. It involves a strict daily intake of specific foods and drinks.
One key component of this diet is fruit. You can have two portions of fruit per day. Examples of suitable fruits include apples, pears, bananas, and oranges. This restricted fruit intake is an important part of the overall diet plan, which also includes other specific food and drink guidelines.
It is important to note that this diet should only be followed under medical supervision and for the recommended time advised by your surgeon. It is not intended for long-term use or for anyone who is not preparing for this specific type of surgery. The diet may have unpleasant side effects, such as constipation, and can interact with certain medications, so it is crucial to consult with your medical team before starting.
Sticking to the diet can be challenging, so it is beneficial to plan ahead. This includes removing tempting foods from the home and considering how the diet may affect your daily life and the support you may need. For example, you might need help with cooking or managing social situations involving food.
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Frequently asked questions
A liver-reducing diet is a diet that is followed before surgery to reduce the size of the liver. This is important because if the liver is too large, surgery may be unsafe to perform.
People on a liver-reducing diet must not eat solid food. They must consume 4 pints of semi-skimmed cow's milk, lactose-free milk, or soya original per day. They must also consume 2 pints of calorie-free drinks per day. People on this diet are restricted to 120g of carbohydrates per day and are advised to use sweeteners instead of sugar in tea and coffee.
A liver-reducing diet is not suitable for people with diabetes or kidney problems. People with diabetes should consult their diabetes team before starting the diet, as medications may need to be altered. People with kidney problems should speak to their kidney doctor before starting the diet.











































