Madeleine Hull
A 500-calorie diet is an extreme form of a very low-calorie diet (VLCD) that requires people to drastically reduce their food intake. This diet is usually recommended by doctors to people with obesity or those at risk of type 2 diabetes. It can also be useful before certain surgeries. While a 500-calorie diet can help people lose weight quickly, it comes with certain health risks, including nutritional deficiencies and gallstones.
| Characteristics | Values |
|---|---|
| Type of diet | Very low-calorie diet (VLCD) |
| Calories per day | 500-800 |
| Who it's for | People with obesity or at risk of type 2 diabetes |
| Who it's not for | People who are not very overweight |
| Risks | Nutritional deficiencies, gallstones |
| Meal replacements | Drinks, shakes, prepared food bars |
| Days per week | 2 (usually non-consecutive) |
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What You'll Learn
The 5:2 intermittent diet plan
A 500-calorie diet is an extreme form of a very low-calorie diet (VLCD). It is usually recommended by doctors to help people with obesity or those at risk of type 2 diabetes. The diet involves eating just 500 calories a day, which is a drastic reduction in food intake.
On the two fasting days, it is important to limit carbohydrates and focus on consuming nutrient-dense foods to avoid vitamin and mineral deficiencies. A serving of chocolate pound cake and a glass of milk add up to about 500 calories, but this so-called meal does not provide the nutrients your body needs. A well-rounded diet includes fruits and vegetables, lean proteins, and whole grains.
While a 500-calorie diet can help people lose weight quickly, it is not suitable or safe for everyone and comes with certain health risks. People should consider the risks of nutritional deficiencies before following this diet without a doctor's supervision.
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VLCDs (very low-calorie diets)
A 500-calorie diet is an extreme form of a very low-calorie diet (VLCD). VLCDs are intended for people who are very overweight and have been unable to lose weight after trying many diet plans. They are also useful before bariatric and laparoscopic surgery, as losing fat can reduce operative time, blood loss, and the risk of complications.
VLCDs require you to drastically reduce the amount of food you eat, usually to a maximum of 800 calories per day. They use meal replacements like drinks, shakes, and prepared food bars instead of meals for at least two meals a day. VLCDs are not a suitable or safe diet for everyone and come with certain health risks. One of the problems with a 500-calorie diet is that it places no limits on the fats and carbohydrates you consume. Being healthy is about a lot more than just a number. The greatest dangers associated with a 500-calorie diet relate to vitamin and mineral deficiencies. People on a 500-calorie diet may lose weight very quickly, but this can lead to gallstones forming in the gallbladder, which can block the bile duct and cause abdominal pain.
VLCDs should only be followed under medical supervision. A doctor will prescribe a 500-calorie diet if they have decided that it is critical for a person to lose weight.
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Nutritional deficiencies
A 500-calorie diet is an extreme form of a very low-calorie diet (VLCD). It involves drastically reducing your food intake to a maximum of 800 calories per day. VLCDs are usually recommended by doctors for people who are very overweight, at risk of type 2 diabetes, or who need to lose weight before surgery.
The 500-calorie diet typically involves replacing two meals a day with drinks, shakes, or food bars. This diet can be dangerous and should only be undertaken with medical supervision. One of the main problems with this diet is that it can lead to nutritional deficiencies, as it is difficult to consume enough essential nutrients within such a restricted calorie limit.
The 500-calorie diet does not place limits on the types of fats and carbohydrates consumed, which can result in an inadequate intake of essential nutrients. For example, a "meal" of chocolate pound cake and a glass of milk adds up to about 500 calories but does not provide the vitamins and minerals needed to maintain health. A well-rounded diet includes fruits and vegetables, lean proteins, and whole grains, which are often lacking in a 500-calorie diet.
The greatest dangers associated with the 500-calorie diet relate to vitamin and mineral deficiencies. People following this diet may not be consuming enough of the three essential macronutrients: fat, protein, and carbohydrates. While fats are the highest in calories, unsaturated fats found in foods like salmon and avocado offer health benefits when consumed in moderation. Therefore, it can be challenging to consume enough healthy fats while adhering to a 500-calorie diet.
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Gallstones
A 500-calorie diet is an extreme form of a very low-calorie diet (VLCD) that is sometimes recommended by doctors for people with obesity or those at risk of type 2 diabetes. It can also be useful before certain surgeries. However, it is not suitable for everyone and can be dangerous, so it requires medical supervision.
The 500-calorie diet requires a drastic reduction in food intake, usually to a maximum of 800 calories per day. It often involves meal replacements like drinks, shakes, and prepared food bars instead of meals for at least two meals a day. One problem with this diet is that it places no limits on the fats and carbohydrates consumed. For example, a serving of chocolate pound cake and a glass of milk add up to about 500 calories but do not provide the nutrients needed. Being healthy is about more than just calorie count, and a well-rounded diet includes fruits, vegetables, lean proteins, and whole grains. The greatest dangers associated with a 500-calorie diet relate to vitamin and mineral deficiencies.
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Pre-surgery weight loss
A 500-calorie diet is an extreme form of a very low-calorie diet (VLCD). It requires you to drastically reduce the amount of food you eat, usually to a maximum of 800 calories per day. VLCDs are meant for people who are very overweight and have been unable to lose weight after trying many diet plans. Doctors may recommend the 500-calorie diet to help people with obesity or people who are at risk of type 2 diabetes. VLCDs may also be useful before bariatric and laparoscopic surgery. Losing fat can reduce operative time, blood loss, and the risk of complications.
However, a 500-calorie diet is not a suitable or safe diet for everyone and comes with certain health risks. People should consider the following risks before following a 500-calorie diet without a doctor’s supervision: eating too few calories a day may put people at risk of nutritional deficiencies. One of the problems with a 500-calorie diet is that it places no limits on the fats and carbohydrates you consume. A serving of chocolate pound cake and a glass of milk add up to about 500 calories, but this so-called meal doesn’t come close to giving you the nutrients you need.
Some people use a 500-calorie diet as part of the recently popularized 5:2 intermittent diet plan. Under this plan, you eat a balanced Mediterranean-style diet of about 2000 calories for five days of the week and then limit yourself to 500 low-carbohydrate calories per day for the other two days. The two “fasting” days are usually nonconsecutive.
A gradual weight loss plan involving a balanced diet with plenty of fresh vegetables and fruits may help to prevent gallstones. Of the three macronutrients fat, protein, and carbohydrates, fat is the highest in calories. Because fats contain more calories, it is difficult to eat enough of them on a 500-calorie diet. Unsaturated fats, such as those in salmon and avocado, offer certain health benefits to the body when someone eats them in moderation.
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Frequently asked questions
A 500-calorie diet is an extreme form of a very low-calorie diet (VLCD). It is usually recommended by doctors to help people with obesity or those at risk of type 2 diabetes.
A 500-calorie diet involves drastically reducing the amount of food you eat, usually to a maximum of 800 calories per day. It can be followed as part of the 5:2 intermittent diet plan, which involves eating a balanced Mediterranean-style diet of about 2000 calories for five days of the week and then limiting yourself to 500 low-carbohydrate calories per day for the other two days.
A 500-calorie diet can be dangerous and should only be followed under medical supervision. The greatest dangers associated with this diet relate to vitamin and mineral deficiencies, as it is difficult to get enough nutrients from such a restricted calorie intake.
A 500-calorie diet can help people with obesity or those at risk of type 2 diabetes to lose weight quickly. It may also be useful before bariatric and laparoscopic surgery, as losing fat can reduce operative time, blood loss, and the risk of complications.
No, a 500-calorie diet does not mean you can eat whatever you want. While there are no limits on the fats and carbohydrates you consume, it is important to ensure you are getting enough nutrients. A well-rounded diet includes fruits and vegetables, lean proteins, and whole grains, even when following a restricted-calorie diet.
