Brenda Khan
The Fast 800 is a diet plan created by Dr. Michael Mosley that promises rapid weight loss and reversal of Type 2 Diabetes. The diet involves consuming 800 calories per day for a short period, followed by a transition to a less restrictive diet. It combines intermittent fasting with a Mediterranean-style eating plan and optional meal replacement shakes. While it may be an effective way to lose weight, there are concerns about its safety and sustainability, especially for those with specific health conditions or a history of eating disorders.
| Characteristics | Values |
|---|---|
| Calorie intake | 800 calories per day |
| Time period | 2-12 weeks |
| Food type | Mediterranean-style diet |
| Food characteristics | High in protein, fibre and healthy fats |
| Food characteristics | Low in refined carbohydrates and sugar |
| Food characteristics | Natural ingredients |
| Food characteristics | Rich in fruits, vegetables, nuts, seeds, olive oil, fish, and fibre-rich carbs |
| Meal replacement shakes | Available |
| Multivitamins | Recommended |
| Exercise | Recommended |
| Mindfulness | Recommended |
| Safety | Not suitable for everyone |
| Safety | Not suitable for people with a history of eating disorders |
| Safety | Not suitable for people with specific health conditions |
| Safety | Not suitable for people with uncontrolled heart disease, hypertension, or kidney failure |
| Safety | Not suitable for people on insulin |
| Safety | Not suitable for people on 'flozin' medication |
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What You'll Learn
- The Fast 800 diet is a combination of intermittent fasting and a Mediterranean-style eating plan
- It is not suitable for everyone and is not routinely recommended
- It may lead to malnourishment if you already have a poor diet or take it to the extreme
- The diet may not be suitable for people with a history of eating disorders or specific health conditions
- The diet is designed to be flexible and tailored to weight loss or general health
The Fast 800 diet is a combination of intermittent fasting and a Mediterranean-style eating plan
The Fast 800 diet is designed to be an accessible, well-structured programme that empowers individuals to successfully navigate intermittent fasting. It is backed by scientific research and has been shown to be effective for weight loss and improving overall wellness. The programme also includes weekly exercise plans and mindfulness content to promote wellbeing and stress management.
The rapid weight loss phase of the diet typically lasts between two and 12 weeks and is intended for those with a lot of weight to lose, those seeking fast results, those who have hit a weight-loss plateau, or those with type 2 diabetes. This initial stage aims to switch the body into a mild ketosis, which has been shown to be effective in achieving rapid weight loss and improving metabolic health.
However, it is important to note that very low-calorie diets (VLCDs) may not be suitable for everyone and are not routinely recommended. The NHS advises that most people aiming to lose weight in a safe and sustainable way should reduce their calorie intake to 1,900 calories for men and 1,400 calories for women. Additionally, intermittent fasting may lead to malnourishment for those with a poor diet or who take it to extremes. It may also not be suitable for people with specific health conditions or a history of eating disorders.
Before embarking on the Fast 800 diet or any other restrictive diet, it is essential to seek advice from a healthcare professional to ensure it aligns with your specific goals, lifestyle, and needs.
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It is not suitable for everyone and is not routinely recommended
The Fast 800 diet is not suitable for everyone and is not routinely recommended. It is a very low-calorie diet (VLCD) that typically involves consuming only 800 calories per day for a short period of time, typically between two to twelve weeks. This type of rapid weight loss plan may not be safe for certain individuals, and there are concerns about its long-term sustainability.
Firstly, the Fast 800 diet is not recommended for people who are underweight, experiencing an eating disorder, or have a history or suspicion of an eating disorder. It is crucial to seek professional advice before starting any restrictive diet if you have a history of disordered eating, as it may be detrimental to your health. Additionally, this diet is not suitable for those with specific health conditions or who are under active medical investigation or treatment. People with uncontrolled heart disease, uncontrolled hypertension, or kidney failure are advised against following this diet. Furthermore, individuals on insulin or certain medications should exercise caution due to potential health risks.
Secondly, while the Fast 800 diet has shown promising results in individuals with type 2 diabetes, helping to reverse their condition, it is not recommended for everyone with diabetes. Intermittent fasting and very low-calorie diets can lead to a dangerous drop in blood sugar levels, so diabetic individuals considering this diet should consult their healthcare provider first.
Lastly, the Fast 800 diet may not be easy to sustain over the long term. While it can kick-start weight loss and improve metabolic health, it is important to note that rapid weight loss may be more challenging to maintain compared to gradual weight loss. The Fast 800 diet is intended to be a short-term solution, and individuals are encouraged to transition to a more sustainable diet and lifestyle plan after achieving their desired weight loss goals. However, there is limited research on the long-term effects of intermittent fasting, and more studies are needed to understand its effectiveness and safety beyond six months.
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It may lead to malnourishment if you already have a poor diet or take it to the extreme
The Fast 800 diet is a combination of intermittent fasting and a Mediterranean-style eating plan, with optional meal replacement shakes. The diet starts with a rapid weight loss phase that lasts between two and 12 weeks, during which adherents follow an 800-calorie daily eating plan. The plan recommends no more than two shakes per day or ten per week, with an emphasis on whole, natural foods.
The Fast 800 diet is not suitable for everyone and is not designed to be followed long-term. It is not recommended for people who are underweight, experiencing an eating disorder, or who have a history of eating disorders. It is also not suitable for people with specific health conditions such as diabetes, uncontrolled heart disease, uncontrolled hypertension, or kidney failure.
The diet may lead to malnourishment if adherents already have a poor diet or take it to the extreme. The NHS and The Fast 800 diet do not recommend following the restrictive stage for longer than three months (12 weeks) due to safety concerns. This initial stage is meant to kick-start metabolic health until a healthy weight is achieved. It is not a long-term solution.
The Fast 800 diet is likely more difficult to sustain, and there is limited research on the long-term effects of intermittent fasting on humans beyond six months. While the diet may be effective for weight loss, it is unlikely to be more effective than traditional methods of dieting. It is important to seek advice from a doctor before starting this or any other restrictive diet, as it may not be suitable for everyone.
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The diet may not be suitable for people with a history of eating disorders or specific health conditions
The Fast 800 diet is a very low-calorie diet (VLCD) that involves consuming around 800 calories per day. It combines intermittent fasting with a Mediterranean-style eating plan and optional meal replacement shakes. While this diet has gained popularity due to its promise of rapid weight loss, it may not be suitable for everyone, especially those with a history of eating disorders or specific health conditions.
Firstly, the Fast 800 diet is not recommended for individuals with a history of eating disorders or who are currently experiencing an eating disorder. This includes those who are underweight or suspected of having an eating disorder. Restrictive diets, such as the Fast 800, can trigger unhealthy behaviours and thoughts in individuals with a history of eating disorders, potentially leading to a relapse or worsening of their condition. It is crucial for this group of people to seek professional advice and support before considering any restrictive diet.
Secondly, the Fast 800 diet may not be suitable for individuals with specific health conditions. This includes people with diabetes, especially those on insulin, as the rapid drop in calories and potential for low blood sugar levels can be dangerous. Additionally, those with uncontrolled heart disease, uncontrolled hypertension, or kidney failure are advised against following this diet. If an individual is under active investigation or treatment for a significant medical condition, they should refrain from starting the Fast 800 diet without consulting their healthcare provider.
Moreover, the Fast 800 diet is not recommended for those who have recently experienced a cardiac event, myocardial infarction, cerebrovascular accident, or other heart abnormalities. Individuals who are feeling unwell, have a fever, are frail, or are recovering from significant surgery should also refrain from this diet. It is important to note that very low-calorie diets like the Fast 800 are typically only advised for people with obesity-related health complications, where rapid weight loss can significantly benefit their health.
While the Fast 800 diet has shown promising results in weight loss and improving metabolic health, it is not a one-size-fits-all solution. It is always advisable to consult a healthcare professional before starting any restrictive diet, as they can provide personalized advice based on an individual's medical history and current health status.
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The diet is designed to be flexible and tailored to weight loss or general health
The Fast 800 diet is a flexible and sustainable diet plan that can be tailored to weight loss or general health. It is a combination of intermittent fasting and a Mediterranean-style eating plan, with optional meal replacement shakes. The plan starts with a rapid weight loss phase that lasts between two and 12 weeks, during which you follow an 800-calorie daily eating plan.
The Fast 800 diet offers three different approaches to weight loss and health management, which you can move between flexibly depending on your health journey and goals. The Very Fast 800 is an 800-calorie diet for those looking to kick-start significant weight loss and reset their metabolism. The New 5:2 is a gradual weight loss approach, and The Way of Life is designed to maintain a healthy weight and improve long-term health outcomes.
The diet is based on the principles of a moderately low-carb, Mediterranean-style diet, with an emphasis on whole, natural foods. It involves eating lots of fruits, vegetables, nuts, and seeds, as well as healthy fats like olive oil and fish, and fibre-rich carbs like whole wheat foods and beans. The Fast 800 diet also incorporates fasting days, regular exercise, and mindfulness activities.
The flexibility of the Fast 800 diet allows individuals to tailor it to their specific goals, lifestyles, and needs, making it a sustainable and effective tool for weight loss and health improvement.
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Frequently asked questions
The Fast 800 diet is safe for most people, but it is not suitable for everyone. The diet is a very low-calorie diet (VLCD) and may not be suitable if you have a history of eating disorders or specific health conditions such as diabetes. It is recommended that you seek advice from your doctor before starting this or any other restrictive diet.
The Fast 800 diet is a combination of intermittent fasting and a Mediterranean-style eating plan, with optional meal replacement shakes. The diet starts with a rapid weight loss phase, lasting between two and 12 weeks, during which you follow an 800-calorie eating plan.
The Fast 800 diet recommends a moderately low-carb Mediterranean-style diet, with lean protein sources and vegetables. The diet is flexible, and you can switch between different approaches as your needs change.
