Milly Gaines
The Fast Metabolism Diet is a 28-day nutrition program that claims to help you lose weight by speeding up your metabolism through eating specific foods in a certain order. The diet is split into three phases, repeated on a weekly basis for four weeks, with each phase focusing on different macronutrients and physical activities. While the diet has gained popularity due to its promise of quick weight loss, it is important to note that its effectiveness is not backed by solid scientific evidence, and some experts caution against its regimented structure and rules, which may trigger disordered eating behaviours.
| Characteristics | Values |
|---|---|
| Duration | 28 days |
| Phases | 3 |
| Goal | Weight loss |
| Weight loss | Up to 20 pounds |
| Meals per day | 3 full meals and 2 snacks |
| Eating window | Every 3-4 hours |
| First meal | Within 30 minutes of waking up |
| Exercise | Cardio, strength training, yoga, meditation |
| Foods to eat | Fruits, vegetables, lean meats, whole grains, beans, seaweed, coconut oil, shrimp, lobster |
| Foods to avoid | Wheat, corn, dairy, soy, sugar, dried fruit, juices, caffeine, alcohol, fat-free diet foods, non-organic foods |
| Supplements | B vitamins |
| Water intake | Half of body weight in ounces |
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What You'll Learn
The diet's rules and restrictions
The Fast Metabolism Diet is a 28-day nutrition program that claims to help you lose weight by speeding up your metabolism through eating specific foods in a certain order. The diet is split into three phases, which are repeated on a weekly basis for four weeks. Each phase has a different goal and specific diet and exercise recommendations.
- The diet restricts corn, dairy, soy, refined sugar, caffeine, alcohol, dried fruit, fruit juice, wheat (except sprouted or natural yeast wheat), and nitrates (found in processed meats) for all 28 days.
- You're instructed to eat five times per day—within 30 minutes of waking, and every three to four hours while awake.
- Portion sizes vary depending on how much weight you need to lose, but the other recommendations are the same for everyone.
- The first phase, which promises to help "unwind stress," includes eating lots of complex carbs (like beans and whole grains) and high-glycemic fruits (like bananas and pineapples). You’ll also eat a moderate amount of protein, but no fats. Cardio is recommended in this phase, as your body is getting lots of easily accessible energy from these high-glycemic carbs.
- The second phase claims to "unlock stored fat" by cutting carbs and adding more protein to your diet, along with lots of green vegetables.
- The third phase claims to "unleash the burn" by reintroducing healthy fats into your diet, while still encouraging moderate consumption of carbs and lean proteins. The idea is that the fats will kick your metabolism into high gear. Pomroy recommends stress-reducing exercises in this phase, such as yoga, meditation, or getting a massage.
- Foods like seaweed, coconut oil, shrimp, and lobster should also be included, as the diet claims that they boost metabolism by stimulating your thyroid gland.
- The diet warns against non-organic foods and encourages the consumption of plenty of healthy fruits, vegetables, lean meats, and whole grains.
- If you haven’t reached your goal weight by the end of the first 28-day cycle, you are encouraged to start again, staying on the diet until you have lost your desired amount of weight.
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Phases one, two and three
The Fast Metabolism Diet is a 28-day diet plan that claims to boost metabolism and promote weight loss. It is divided into three phases, each with a specific focus and diet and exercise recommendations. Here is what to expect during Phases One, Two, and Three:
Phase One
This phase is typically conducted on Monday and Tuesday and focuses on reducing stress and anxiety while preparing the body for weight loss. The diet during this phase is high in carbohydrates and fruits, moderate in protein, and low in fats. Foods such as high-glycemic fruits like pears, mangoes, and pineapples, as well as high-carb whole grains like oatmeal, brown rice, and spelt, are recommended. It is also important to avoid foods like sweets, fruit juices, dehydrated fruit, alcohol, and caffeine. Light-intensity exercises such as yoga, meditation, or a massage are suggested during this phase to help lower stress levels.
Phase Two
Phase Two is usually conducted on Wednesday and Thursday and focuses on increasing fat burning and promoting muscle gains. The diet during these days is rich in proteins and non-starchy vegetables, and low in carbohydrates and fats. Lean proteins like turkey, fish, chicken, eggs, and vegetables like kale, broccoli, and spinach are recommended. It is also suggested to do at least one weight-lifting session during this phase to accelerate metabolism and fat burning.
Phase Three
The last phase is conducted on Friday, Saturday, and Sunday and has a more flexible diet plan. During this phase, you can increase your intake of healthy fats like olive oil, avocado, and nuts, while consuming carbohydrates and protein in moderation. The goal is to boost metabolism and increase fat burning in the body. Light-intensity exercises like yoga, stretching, or meditation are recommended throughout this phase.
It is important to note that while the Fast Metabolism Diet may promote weight loss, it is highly restrictive and there is limited evidence supporting its efficacy. Consult a registered dietitian or healthcare professional before starting any new diet plan to ensure it is safe and suitable for your individual needs.
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Recommended foods and supplements
The Fast Metabolism Diet is a 28-day nutrition program that claims to help you lose weight by speeding up your metabolism. It involves eating specific foods in a certain order, rotating periods of high-protein, high-carb, and high-fat eating within each week. The diet is split into three phases, each with different food and exercise recommendations.
The diet includes plenty of healthy fruits, vegetables, lean meats, and whole grains. However, you are only permitted to eat certain foods on certain days, which may make meal planning difficult. The diet restricts corn, dairy, soy, refined sugar, caffeine, alcohol, dried fruit, fruit juice, wheat (except sprouted or natural yeast wheat), and nitrates (found in processed meats) for all 28 days.
During Phase 1, you can eat high-glycemic fruits, a moderate amount of protein, and low-fat foods. Recommended fruits include bananas and pineapples, which are high in sugar. You should also eat complex carbohydrates like beans and whole grains.
Phase 2 involves cutting carbs and adding more protein and green vegetables to your diet.
In Phase 3, healthy fats are reintroduced, along with moderate amounts of carbohydrates and lean proteins. Recommended foods in this phase include seaweed, coconut oil, shrimp, and lobster, as they are believed to boost metabolism by stimulating the thyroid gland.
The diet also encourages drinking half your body weight in ounces of water each day to stay hydrated, which is important for keeping your metabolic processes working properly.
Supplements are available for purchase to maximize metabolism impact, but these are not necessary, as most people get the necessary vitamins through their diet.
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Exercise and stress-reducing activities
Phase 1 – Unwind Stress
This phase involves eating complex carbohydrates and high-glycemic fruits, along with a moderate amount of protein and no fats. The recommended exercise is vigorous cardio, as your body will have plenty of easily accessible energy from the high-glycemic carbs.
Phase 2 – Unlock Fat Stores
In this phase, you cut out carbohydrates and increase your protein and vegetable intake. Strength training is the recommended form of exercise, as it promotes muscle growth and increases your metabolic rate, even at rest.
Phase 3 – Unleash the Burn
The final phase reintroduces healthy fats while still encouraging moderate consumption of carbs and lean proteins. Stress-reducing activities like yoga, meditation, and massage are recommended to lower stress hormone levels and increase the circulation of fat-burning compounds.
It is important to note that while the Fast Metabolism Diet provides structure and rules, it is not based on solid scientific evidence. Additionally, it may be challenging due to the elimination of common foods like wheat and dairy. However, the emphasis on healthy eating and exercise may still aid in weight loss and improved metabolism.
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Results and success stories
The Fast Metabolism Diet has received both positive and negative reviews. The diet's inventor, Haylie Pomroy, claims that it can help people lose up to 20 pounds in 28 days without counting calories or feeling hungry. Pomroy, who is a nutritionist, asserts that the diet speeds up metabolism, allowing people to eat more and still lose weight.
Some customers have reported significant weight loss results with the Fast Metabolism Diet. One customer review mentions losing 6 pounds in 5 days, while another states that they lost weight at a good pace and were able to maintain their weight effortlessly for five months. David Swift, CEO of Swift Entertainment, claims to have lost 25 pounds in the first month and 10 more after, adding that the weight stayed off.
However, there are also reviews from customers who did not find the diet effective. One person mentions that they might have lost only one kilogram of weight in three weeks, expressing disappointment in the book and concept. They also mention feeling uncomfortable with the amount of animal protein in the diet and found it challenging to follow as a vegetarian or vegan due to the restrictions.
It is important to note that the Fast Metabolism Diet has been criticized for lacking robust scientific evidence supporting its claims. While it emphasizes consuming specific foods in a certain order to boost metabolism and promote weight loss, there is limited research backing these principles. For example, Phase 1 recommends a high-glycemic, carb-rich diet to reduce stress and prepare the body for weight loss, but research suggests that a high intake of simple carbs may increase stress hormone levels. Similarly, there is no evidence that eating carb-rich foods for two consecutive days reduces stress or enhances weight loss.
Additionally, the diet's strict rules and regimented structure have been criticized for being unnecessarily restrictive and not based on scientific principles. While the diet may lead to weight loss due to calorie restriction, critics argue that this is not a result of the complicated schedule of different foods. Furthermore, eliminating certain food groups, such as healthy fats, may not be conducive to a balanced and sustainable diet.
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Frequently asked questions
The Fast Metabolism Diet is a 28-day nutrition program that claims to help you lose weight by speeding up your metabolism through eating specific foods in a certain order.
The diet is split into three phases, repeated on a weekly basis for four weeks. Phase 1 focuses on unwinding stress, with high-glycemic fruit, moderate protein, and vigorous cardio. Phase 2 unlocks stored fat by cutting carbs and adding more protein and vegetables. Phase 3 unleashes the burn by reintroducing healthy fats and encouraging moderate consumption of carbs and lean proteins, along with stress-reducing activities.
The diet restricts corn, dairy, soy, refined sugar, caffeine, alcohol, dried fruit, fruit juice, wheat, and nitrates found in processed meats. Non-organic and fat-free diet foods are also discouraged.
The diet includes plenty of healthy fruits, vegetables, lean meats, and whole grains. Foods like seaweed, coconut oil, shrimp, and lobster are also recommended as they are believed to boost metabolism by stimulating the thyroid gland.
The diet's structure and rules are regimented and not based on solid scientific evidence. Eliminating so many foods may be challenging and could lead to disordered eating or an unhealthy relationship with food. Additionally, rapid weight loss may not be sustainable or healthy in the long term.
