You may need to adjust your diet around these needs. You can use strained meat, veggies, and fruit intended for babies as the base for a liquid meal.
These are typically a dollar or so per jar, but that can quickly add up. The kitchen tools that make food prep for a liquid diet easier can be costly too. If you only need something that can handle the basics, you can usually find more affordable options online. If you need to be on a full liquid diet for more than a few days, you may become constipated from the lack of fiber.
Your healthcare provider may recommend you add an over-the-counter powdered fiber supplement , such as Metamucil, to your liquid meals. As you begin to return to a solid food diet, your bowel movements should adjust accordingly. Weight loss can be sudden and significant—even if you're not on a full liquid diet for a long time.
You should start regaining your weight soon after you start eating more calories again. Because you are consuming less calories, vitamins, and minerals, you may feel fatigued , irritable, depressed , or generally unwell. Don't hesitate to tell your doctor if these symptoms make you uncomfortable. Aim to consume up to 1, calories and 45 grams of protein per day unless your doctor tells you otherwise.
Liquid-only diets may cause weight loss, constipation, and other side effects. Let your doctor know if these become bothersome, or if you have a health condition that makes this diet difficult to maintain. A full liquid diet is similar to other diets used to treat digestive disorders or help you get ready for or recover from surgery. However, there are some key differences. A full liquid diet is similar to a clear liquid diet, which is often necessary before surgery and is a required part of the prep for a colonoscopy.
The main difference is that a clear liquid diet only allows fluids that are completely free of particles, such as water, pulp-free apple juice, and broth. Other juices and bullion may be okay as long as they have been thoroughly strained. Thick, opaque fluids are not allowed. A review of nine studies on colonoscopy preparation found that patients who followed a low-fiber diet were better able to stick with their eating plan compared to people on a clear liquid diet.
In addition, they noted no differences in the quality of their preparation or adverse effects. A full liquid diet falls somewhere in-between a low-fiber and clear liquid diet. If you find that following a full liquid diet is too difficult, it may be worth asking your doctor if there are other options. The mechanical soft diet and soft diet are similar to the full liquid diet but have one key difference.
On a mechanical soft diet, foods are excluded based on their texture or consistency, not their type. On a soft diet, you may need to avoid foods that are high in fiber or fat, even if they are easy to chew. A mechanical soft diet is typically recommended if you're healing from an injury or surgery involving your mouth, jaw, or throat.
A soft diet lets your digestive system rest after illness or surgery. The mechanical or soft diet may be recommended for you as you progress from a liquid diet back to a regular solid food diet. If you've been on a full liquid diet or you have trouble swallowing due to dysphagia , your doctor may recommend a special, three-stage diet to help you get back to eating solid food:. After you've moved through each of the three stages, you'll be ready to resume a solid food diet. You can only have clear, pulp-free liquids in a clear liquid diet.
A mechanical diet prohibits foods that need to be chewed, while a soft diet prohibits high fat or fiber foods that are harder to digest. A dysphagia diet starts like a mechanical diet, but allows you to gradually work your way up to chewing more. Your doctor may prescribe a liquid-only diet if you are recovering from an injury or illness that makes it hard for you to chew, swallow, or digest food.
You may also need to be on a full liquid diet if you are preparing for a medical procedure. Full liquid diets are usually temporary, but you may need to work with a dietitian if your liquid-only diet will last longer than a few days. This diet tends to be low in calories, fiber, and other nutrients. As a result, you may lose weight, feel fatigued, or have side effects like constipation.
Talk to your doctor if you are having trouble maintaining your liquid-only diet for any reason. Most people on a liquid diet are able to consume enough protein for the duration of the diet, but adding protein powder can help meet these needs. The general protein recommendation for a full liquid diet is at least 45 grams of protein.
If you are unable to get this much, add protein powder to meals to make up the difference. How long someone should stay on a liquid diet depends on the individual person but most people only need it for five days to two weeks.
It is important that a physician or dietitian supervise the diet. Adults should consume 2 to 3 quarts of liquid every day on a liquid diet. For many people, the most difficult part of a full liquid diet is staying disciplined and not giving into cravings. Whether you need to be on the diet for a few days, or you need to stay with it longer because of a health condition, try to stay focused on the diet's long-term benefits for your health and recovery.
You might be surprised how many liquid-only cookbooks are out there; embrace the newness of the full liquid diet to try new recipes you may never have before. Gas pain? Stool issues? Sign up for the best tips to take care of your stomach. Endoscopic intramural surgery part II: Muscular division.
Dig Dis Interv. Fairview Health. Full liquid diet. Mount Sinai. Diet - full liquid. Low-residue versus clear liquid diet before colonoscopy: a meta-analysis of randomized, controlled trials. Cleveland Clinic. Instructions for liquid diet before surgery. Your Privacy Rights. Some doctors might recommend sucking a few ice chips to start with, then sipping some water before moving onto clear liquid while the body recovers.
Following bariatric or other types of intestinal surgery, the digestive tract needs time to heal. A doctor may recommend consuming only clear liquids for the first day or so after surgery. A doctor may recommend a person follows a clear liquid diet for a short time period if they have:. A clear liquid diet is not a long-term health solution. However, in the short term, its benefits include:. A clear liquid diet is suitable for some people around the time of an illness or medical procedure. However, it is not safe to follow for more than 3—5 days , and a doctor should supervise the diet.
A clear liquid diet has limited nutritional value. Over time, it can lead to malnourishment, particularly in people who already have a nutritional deficiency.
A clear liquid diet is often high in carbohydrates. People with diabetes who need to follow a clear liquid diet should work with their doctor to maintain glucose levels.
People who follow a clear liquid diet for an extended period or without medical supervision may experience nutritional deficiencies. This can lead to a wide range of symptoms, including:. Anyone who experiences any symptoms related to a clear liquid diet should speak to their doctor promptly. If the diet is necessary, the doctor may adjust it or recommend ways to reduce hunger and prevent uncomfortable side effects. A clear liquid diet is not a safe option for weight loss.
It does not provide the nutrients a person needs to stay healthy. Also, it is unlikely to work in the long term. Once a person begins eating normally, they may quickly regain any weight they have lost. Some alternative health advocates recommend a liquid diet when fasting or to detox the body.
People should consult their doctor before starting any type of detox diet to ensure it is safe for them to follow. For most people, the biggest challenge of a clear liquid diet is feeling hungry. A clear liquid diet is not a complete and balanced diet, so it is common to experience food cravings while following one.
It is important to follow the diet a doctor recommends closely. Even a single solid food snack may mean rescheduling a medical procedure. Their doctor can help them select the right ingredients, monitor for adverse effects, and advise on managing hunger and cravings.
For example, clear liquids are typically easy to digest and do not leave much undigested material in your intestines As a result, your physician may prescribe a clear liquid diet before certain surgeries, such as colonoscopies and bariatric surgery.
They may also be prescribed after certain surgeries, such as gallbladder removal and bariatric surgery Additionally, liquid diets are advised for those who have digestive problems, including diarrhea and vomiting. However, some evidence suggests that solid food diets that leave minimal undigested materials may be superior to liquid diets Many studies have been conducted on programs that replace some or all meals with liquid meal replacements 2 , 3 , An eight-year study including over 8, obese people looked at whether liquid meal replacements promoted weight loss and weight maintenance 3.
The program consisted of a week period during which participants consumed only calories per day of liquid meal replacements. After the weight loss period, the participants were prescribed a weight maintenance program that gradually reintroduced solid foods. While these results are impressive, it is important to remember that the participants completed a very intensive program under medical supervision.
Another study including over 9, overweight and obese adults examined the effects of a calorie liquid formula on weight loss The liquid formula was the only source of calories for 6—10 weeks, followed by a 9-month weight loss maintenance period. After one year, those using the liquid formula lost 25 pounds However, this was likely because they ate fewer calories than the solid-food group.
Research directly comparing low-calorie diets consisting of either food or liquids has found both diets to be equally effective when they contain the same number of calories Liquid diets that only allow you to drink certain juices, teas or other beverages are not good long-term weight loss strategies.
Solid foods contain many necessary nutrients. Therefore, it is not recommended to stay on a diet consisting of liquids alone in the long term. Even in studies showing impressive results from liquid meal replacements, solid foods were reintroduced after several weeks or months 3 , Medically prescribed liquid diets like the clear liquid diet or full liquid diet are not meant to be followed in the long term. Similarly, cleanse and detox programs may involve periods during which only certain juice mixtures are consumed for days or weeks.
For example, the Master Cleanse consists of 3—10 days of only consuming a special beverage made of lemon juice, maple syrup, cayenne pepper and water 4.
Drinking this beverage in place of eating food will reduce your calorie intake, but 3—10 days of low calorie intake will do very little in terms of long-term weight loss if you simply return to your normal diet afterward. Short-term, low-calorie diets can cause you to lose body weight quickly due to the loss of carbs and water, both of which are normally stored in your liver and muscles Thus, much of the weight you lose during these short-term liquid diets may not be due to fat loss Once you resume a normal diet, you will likely regain much or all of the weight that you lost as your carbohydrate and water stores are replenished A more appropriate goal is to incorporate simple strategies that you can use every day for a long period of time, rather than short-term quick fixes that fall short on their promises Some people may find that replacing some solid foods with liquid meal replacements is a practical way to reduce their calorie intake 2.
If you find that substituting lower calorie liquids for solid foods allows you to eat fewer calories while still feeling satisfied, it may be a worthwhile weight loss strategy.
However, if you feel hungrier when you consume liquid meal replacements rather than a snack or small meal, this strategy may not be good for you However, if you typically eat a light healthy lunch, you may not reap any benefit from switching to a liquid meal replacement. Several groups of people should not consider a liquid diet, such as pregnant or nursing women, children and adolescents and those who are underweight 21 , Not to mention, there are financial considerations.
Commercial meal replacement shakes can often be more expensive than traditional solid foods. Diets that replace one or several meals per day with meal replacement shakes are generally considered safe in the long term 3 , Most meal replacement shakes are designed to contain the nutrients needed by the human body, including carbs, fats, protein, vitamins and minerals.
Yet, replacing only some meals with liquids ensures that you still get nutrients from solid foods as well. One side effect of a liquid diet is constipation , which may be due to the low fiber content of most liquids Additionally, very low-calorie diets calories per day may lead to a higher risk of gallstones than low-calorie diets 1, — 1, calories per day 7. However, there is a low incidence of side effects overall with weight loss programs that include low-calorie meal replacement liquids 3 , 8 , 9 ,
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