
A clear liquid diet is a diet consisting exclusively of clear liquids, such as water, broth, and other clear drinks. This diet is often recommended by doctors as it aids in the diagnosis and treatment of various medical conditions. While it is easy for the body to digest, it lacks nutrients and can leave individuals feeling hungry and tired. To feel full on a clear liquid diet, it is recommended to consume bone broth, which is high in protein, and to drink water, which tricks the stomach into feeling full. Additionally, eating gelatin and ice pops can provide a satisfying chewing sensation, and visualizing food instead of eating it can help curb cravings.
| Characteristics | Values |
|---|---|
| Purpose | To prepare for or recover from a medical test, or to help relieve digestive symptoms |
| What to consume | Clear liquids, including water, broth, some juices without pulp, gelatin, tea and coffee without cream, popsicles, and cranberry juice |
| What to avoid | Solid foods, opaque liquids, apple sauce, liquids with pulp, and dairy products |
| Feeling full | Drink water to trick your belly into feeling full; consume bone broth, which is high in protein; eat gelatin or ice pops for the feeling of chewing |
| Other tips | Visualize yourself eating the foods you crave; eat on smaller plates; drink from smaller cups/mugs; drink decaffeinated drinks |
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What You'll Learn

Drink water to trick your stomach into feeling full
A clear liquid diet can be challenging, but drinking water can help trick your stomach into feeling full. Here are some tips to stay full and hydrated:
First, ensure you are well-hydrated. Drinking water is a simple yet effective way to combat hunger pangs. When you feel hungry, try drinking a tall glass of water. This can help trick your stomach into feeling full and satisfied. It is a great way to curb cravings and can be especially useful if you are feeling hungry at night or between meals.
Drinking water is not only a helpful way to feel full but is also essential for adequate hydration, which is vital when on a liquid-only diet. Dehydration can cause headaches, migraines, nausea, and weakness, so it is important to prioritize hydration. Water also enhances the flavor of whatever you eat or drink next, intensifying the taste.
You can also try drinking water in between meals. Sipping water throughout the day can help you stay hydrated and feel more satiated. It is a good idea to keep a bottle of water with you, so you can easily take sips throughout the day. This can also help you transition from a clear liquid diet to solid foods, as it prepares your body for a new eating routine.
Additionally, you can try drinking water before meals. If you drink a glass of water before consuming other liquids or foods, it can help you feel fuller faster, preventing you from overeating or overconsuming liquids. This is a great way to ensure you are getting adequate nutrition without feeling deprived.
Finally, remember that a clear liquid diet should only be followed for a short period. It is not nutritionally adequate for more than a few days, so be sure to consult your healthcare provider before starting and follow their specific instructions. They may modify the diet with supplements to ensure adequate nutrition.
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Consume gelatin and ice pops for a satisfying chewing experience
A clear liquid diet can be challenging, but consuming gelatin and ice pops can make it a more satisfying experience. These foods are not only tasty but also provide a chewing experience, which can help you feel more content.
Gelatin, or jelly, is a fun and tasty treat that is permitted on a clear liquid diet. It is important to check the labels carefully, as some gelatin products contain dyes that are not suitable. For example, red, purple, or blue dyes should be avoided as they can leave residue in the bowel, which can affect medical test results. Clear gelatin is suitable, and high-protein gelatin supplements are recommended to ensure adequate nutrition.
Ice pops are another great option to provide a chewing sensation and can be very refreshing. Like gelatin, some ice pops contain dyes that are not permitted on a clear liquid diet, so it is important to check the labels. Clear ice pops, or those made with strained fruit juices such as apple juice or white grape juice, are suitable.
When consuming gelatin and ice pops, it is important to be mindful and savour every spoonful or bite, paying attention to the texture and flavour. This can help increase satisfaction and make the experience more enjoyable.
It is also recommended to drink plenty of water and other clear liquids, such as coconut water, juice, and bone broth, to stay hydrated and nourished. These liquids can be served in small cups or mugs to make the experience more enjoyable and satisfying.
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Visualise yourself eating to curb cravings
Visualizing yourself eating your favourite foods can help to curb cravings. This process, known as 'habituation', works by exposing yourself to something repeatedly until you get used to it. For example, imagine eating your favourite food, such as a juicy steak or a large bar of chocolate. Now, imagine eating another one, and another one, and another one. Keep going until you've eaten thirty in your mind. Do you still want a bite? Probably not. The first bite of chocolate is heavenly, but the fifteenth usually feels less appealing.
This technique can be applied to curb cravings when on a clear liquid diet. Set a timer for 5 to 20 minutes, depending on your comfort level. Play some relaxing music and sit comfortably. Close your eyes and take a deep breath. Visualize yourself eating the food you're craving for a few minutes, and keep breathing naturally. Do this until the timer rings. Reward yourself with a warm cup of bone broth or another clear liquid food.
It's important to note that this method may not work for everyone. In one experiment, people who imagined eating 3 M&Ms ended up eating more of the real sweets than those who imagined eating 33. However, those who imagined eating 30 M&Ms and putting them in a bowl ate more of the sweets than those who imagined eating only 3. This suggests that the effect is very specific and subtle. It may not be enough to simply imagine putting food in a bowl, you may need to imagine the act of eating it as well.
Additionally, visualizing eating one type of food may not curb cravings for another type of food. For example, imagining eating M&Ms may not affect how many cheese cubes you eat. However, in another experiment, people who imagined eating large amounts of cheese cubes did end up eating fewer cheese cubes overall. This suggests that visualizing eating large amounts of a specific food can reduce your desire for that particular food.
Overall, visualization can be a powerful tool to curb cravings, especially when combined with other techniques such as mindful eating, getting enough sleep and exercise, and staying hydrated.
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Drink bone broth to feel full and energised
A clear liquid diet is often prescribed for specific medical purposes and short periods. It helps to heal the gastrointestinal tract from severe symptoms like vomiting, inflammation, and diarrhea. It is also recommended before certain tests and procedures, such as a colonoscopy.
A clear liquid diet consists of liquids that you can see through, such as water, tea, and broth. It excludes solids and opaque liquids like milk.
Drinking bone broth is an excellent way to feel full and energised while on a clear liquid diet. Bone broth is a flavourful, nutritious broth made by simmering animal bones and connective tissues in water. The longer it cooks, the more flavourful and nutritious it becomes.
Bone broth is rich in nutrients, including vitamins, minerals, and collagen. It is also a source of gelatin, which may provide anti-inflammatory benefits and support joint health. The amino acids in bone broth can promote better sleep and help manage weight by increasing feelings of fullness.
To make bone broth at home, you can use bones from various animals, such as chicken, beef, or fish, and add ingredients like vinegar to enhance nutrient extraction. Consult a doctor before consuming bone broth, especially if you have any health conditions or take medications.
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Eat on smaller plates to help you eat less
A clear liquid diet is a medically prescribed diet consisting of exclusively clear liquids. It is usually recommended for short periods, often to prepare for a medical procedure such as a colonoscopy, or to rest and heal the digestive tract after severe gastrointestinal symptoms like inflammation, vomiting, and diarrhea. Clear liquids are easily absorbed by the body and provide hydration and energy. They also allow for clear imaging of the digestive tract during tests.
While on a clear liquid diet, you should consume at least 64 ounces of clear liquids throughout the day. This can include water, tea, broth, and gelatin. However, it is important to note that a clear liquid diet is not nutritionally adequate for more than a few days, and your healthcare provider will likely advise progressing to a full liquid diet or a soft, low-fiber diet to prevent malnutrition.
Now, let's discuss the strategy of eating on smaller plates to help you eat less. This idea is based on the Delboeuf illusion, which suggests that eating from a smaller plate will trick your brain into thinking you're eating more, leading to reduced food consumption. However, recent studies have questioned the effectiveness of this approach, particularly when individuals are hungry or dieting. Research by Ben-Gurion University of the Negev found that when people are food-deprived, they are more likely to accurately identify portion sizes, regardless of plate size.
While the effectiveness of smaller plates in reducing food intake may be debated, it is important to consider other strategies to promote a feeling of fullness while on a clear liquid diet. Here are some suggestions:
- Choose nutritious liquids: While on a clear liquid diet, opt for liquids that provide some nutritional value. For example, you can consume clear broths, gelatin, or strained fruit juices. These options can provide some energy and essential nutrients while still adhering to the clear liquid diet guidelines.
- Monitor your body's signals: Pay attention to your body's hunger and fullness cues while consuming liquids. Stop drinking when you feel full, and listen to your body's signals to guide your intake.
- Progress to a full liquid diet: Work with your healthcare provider to safely progress to a full liquid diet, which includes more nutritious options like milk, pureed soups, and blended foods. This will provide a greater variety of nutrients and can help you feel more satisfied.
- Consider nutritional supplements: If you need to remain on a liquid diet for an extended period, your healthcare provider may prescribe nutritional supplements to ensure you're meeting your nutritional needs.
- Consult your healthcare provider: Stay in close communication with your healthcare provider throughout your clear liquid diet. They can offer personalized advice, monitor your health, and make adjustments as needed to ensure your well-being.
In summary, while eating on smaller plates may not be a foolproof method to reduce food intake, there are other strategies you can employ while on a clear liquid diet to promote a feeling of fullness and maintain your nutritional well-being. Remember to always consult your healthcare provider for individualized guidance and support.
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Frequently asked questions
A clear liquid diet consists of exclusively clear liquids and no solid foods. It is often prescribed as preparation for a medical test or surgery, or to help relieve digestive symptoms.
Clear liquids include water, broth, some juices without pulp, gelatin, and popsicles. Tea and coffee are also allowed, but they should be decaffeinated as caffeine can increase hunger.
A clear liquid diet is not a complete and balanced diet, so it is common to feel hungry and have food cravings. The diet also lacks many calories and nutrients.
To feel full, try drinking water before meals to trick your belly. Bone broth is also recommended as it is high in protein and will keep you nourished.











































