
The Fast Metabolism Diet is a 28-day weight-loss plan that involves cycling through three multi-day phases each week. It was created by Haylie Pomroy, who claims that the diet can help to speed up your metabolism and promote weight loss. The diet restricts certain food groups, including corn, dairy, soy, refined sugar, caffeine, alcohol, dried fruit, fruit juice, wheat, and nitrates. While the diet may help with weight loss, it has been criticized for being unsustainable and restrictive. After completing the Fast Metabolism Diet, it is important to maintain a healthy weight and metabolism. This can be achieved by making simple changes to your diet and lifestyle, such as focusing on nutritious foods, increasing physical activity, managing stress, and getting enough sleep. Consulting a healthcare professional can also help to address any underlying conditions that may impact your metabolism.
What to do after the Fast Metabolism Diet
| Characteristics | Values |
|---|---|
| Duration | 28 days |
| Phases | 3 |
| Weight loss | Up to 9kg |
| Diet | High-glycemic, carb-rich foods, moderate protein, low-fat, herbal teas, natural herbs and spices, low sodium, healthy fats, carbs, proteins, fruits, vegetables, lean meats, whole grains, legumes, nuts, turkey, fish |
| Exercise | Cardio, weight-lifting, strength training, yoga, meditation, massage |
| Drawbacks | Restrictive, unsustainable, time-consuming, complicated, expensive |
| Other | Supplements available for purchase |
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What You'll Learn

Incorporate exercise and workouts relevant to each phase of the diet
The Fast Metabolism Diet is a 28-day plan that cycles through three multi-day phases each week. It is designed to help rev up your metabolism through macronutrient cycling and rotating periods of high-protein, high-carb, and high-fat eating. The diet also encourages exercise 2-3 times per week, with specific exercises relevant to each phase.
Phase 1
In the first phase, you consume high-glycemic, carb-rich foods alongside moderate proteins, preparing your body for losing weight. Foods in this phase include brown rice, quinoa, fruits high in natural sugars, and low-fat, moderate-protein foods. As your body is getting lots of easily accessible energy from these high-glycemic carbs, cardio is recommended in this phase. Specifically, Pomroy recommends running, working out on an elliptical trainer, or an upbeat aerobics class.
Phase 2
The second phase is the high-protein, high-vegetable, low-carbohydrate, and low-fat phase. It features high-nutrient cruciferous vegetables and lots of lean protein. During this phase, you are encouraged to do at least one weight-lifting session. This phase is designed to accelerate your metabolism and fat burning.
Phase 3
The final phase includes healthy fats, carbs, proteins, and low-glycemic fruits. It includes foods that are high in healthy fats, such as avocados and coconuts, lots of berries, some grains, and little meat. Exercise in this phase includes at least one day of stress-reducing activity such as yoga or a massage.
Overall
The Fast Metabolism Diet encourages a combination of dietary changes and exercise to help you lose weight and keep it off. It is important to note that this diet has been criticized for being unsustainable and may not be backed by scientific evidence.
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Focus on lean proteins and green vegetables
The Fast Metabolism Diet is a 28-day plan that cycles through three multi-day phases each week. It claims to help boost your metabolism through macronutrient cycling, which involves rotating periods of high-protein, high-carb, and high-fat eating within each week.
Phase 2 of the Fast Metabolism Diet focuses on unlocking stored fat by cutting carbs and adding more protein to your diet, along with lots of green vegetables. This phase is all about speeding up the metabolic process and boosting liver function.
Focusing on lean proteins and green vegetables is essential for several reasons. Firstly, lean proteins provide the body with essential amino acids, which are the building blocks of muscle. By consuming adequate protein, you support muscle growth and repair, which is crucial for maintaining a healthy metabolism. Secondly, green vegetables are rich in nutrients and antioxidants, which can help reduce inflammation and support overall health. They are also a good source of fibre, which promotes gut health and can contribute to stable blood sugar levels.
Some examples of lean proteins to include in your diet are chicken breast, turkey breast, fish, and seafood. When it comes to green vegetables, opt for leafy greens such as spinach, kale, collard greens, and Swiss chard. Broccoli, asparagus, green beans, and Brussels sprouts are also excellent choices.
In addition to a diet rich in lean proteins and green vegetables, it is important to incorporate strength training exercises to target large muscle groups such as the back, chest, and legs. This combination of dietary changes and exercise can help promote weight loss and improve overall health.
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Avoid inorganic or nitrate-loaded meats
The Fast Metabolism Diet is a 28-day plan that cycles through three multi-day phases each week. It is designed to help rev up your metabolism through macronutrient cycling, which involves rotating periods of high-protein, high-carb, and high-fat eating within each week. The diet restricts the consumption of inorganic or nitrate-loaded meats, among other foods.
Inorganic or nitrate-loaded meats are those that have been treated with preservatives or additives to extend their shelf life and improve their taste and colour. Nitrates are molecules that can be naturally found in air, soil, water, and some foods like vegetables. However, when added to cured meats, they can increase the risk of cancer, especially digestive cancers such as colorectal, stomach, and oesophageal cancer. This is because the nitrates in these meats can break down into chemicals called nitrosamines, which are harmful to the body.
To avoid the negative health effects of inorganic or nitrate-loaded meats, it is important to carefully read labels when shopping for processed meats and choose products with limited or no additives that contain nitrates. Some natural and organic preservatives, such as celery salt, may also contain nitrates, so it is important to be mindful of this when selecting products. Additionally, frying or cooking bacon at a lower heat for a longer period can help reduce the formation of nitrosamines.
Instead of consuming inorganic or nitrate-loaded meats, the Fast Metabolism Diet recommends eating lean proteins and green vegetables, such as broccoli and spinach, which are rich in nutrients and can help boost liver function. This phase of the diet aims to burn stored fat by improving liver function and speeding up the metabolic process.
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Eat five times per day
Eating five times a day is one of the rules of the Fast Metabolism Diet, which also includes a list of foods to avoid and a focus on eating certain foods on certain days. The diet is split into three phases, each with different macronutrient recommendations. The diet is not backed by scientific evidence, and critics claim it is unsustainable and too restrictive.
The first phase lasts for two days, and you eat high-glycemic, carb-rich foods with moderate protein. This phase is designed to prepare your body for weight loss. Eating five times a day during this phase could include carb-rich foods such as beans, whole grains, bananas, and pineapples, as well as moderate amounts of protein from sources such as lean meats, legumes, or fish.
The second phase is a protein-rich, low-carb diet to help burn stored fat and build muscle. During this phase, you can continue to eat five times a day by including protein-rich foods such as eggs, lean meats, legumes, or fish, as well as green vegetables.
The third phase is a balanced diet that includes healthy fats, carbs, and proteins. Eating five times a day in this phase could include meals with moderate amounts of healthy fats, proteins, and carbs. For example, you could have avocado on whole-grain toast, a salad with lean meats and vegetables, or a balanced meal with healthy fats, carbs, and proteins.
The Fast Metabolism Diet also recommends drinking at least half your body weight in ounces of water every day, incorporating herbal teas, and avoiding inorganic or nitrate-loaded meats.
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Consume lots of water
Water is a vital nutrient for the body. It is a combination of hydrogen and oxygen and forms the basis for the body's fluids. Water makes up more than two-thirds of the weight of the human body, and without it, we would die in a few days. All the cells and organs need water to function.
Drinking lots of water is essential after the Fast Metabolism Diet. The Fast Metabolism Diet is a 28-day plan that cycles through three multi-day phases each week, and it can be challenging to maintain. Staying hydrated is crucial for overall health and can help prevent dehydration, which can negatively affect both your body and brain. Even mild dehydration can impair many aspects of brain function, including mood, concentration, and memory. It can also lead to increased feelings of anxiety and fatigue and cause headaches.
Drinking water has several evidence-based health benefits. It helps maintain the health and integrity of every cell in the body, keeps the bloodstream fluid enough to flow through blood vessels, and regulates body temperature through sweating. Water also aids in digestion and prevents constipation by keeping food moving through the intestines. It reduces the risk of urinary tract infections, moisturizes the skin, and carries nutrients and oxygen to the cells.
It is recommended to drink at least eight 8-ounce (237-mL) glasses of water per day, also known as the 8x8 rule. However, activity levels and other factors can influence the amount of fluid needed. For example, athletes competing in high-intensity sports in warm conditions will require more water than those exercising in mild conditions. Water is the best drink for hydration as it does not contain energy (kilojoules) and is generally available.
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Frequently asked questions
The Fast Metabolism Diet is a 28-day plan that cycles through three multi-day phases each week. It claims to help rev up your metabolism through macronutrient cycling, which involves rotating periods of high-protein, high-carb, and high-fat eating within each week.
Phase 1 is the "Unwind Stress" phase, where you consume high-glycemic, carb-rich foods alongside moderate proteins, preparing your body for losing weight. Phase 2 is the "Unlock Fat Stores" phase, where you eat a protein-rich, low-carb diet to target stored fat and build muscle. Phase 3 is the "Unleash the Burn" phase, where you consume healthy fats, carbs, and proteins in a balanced manner.
The diet restricts corn, dairy, soy, refined sugar, caffeine, alcohol, dried fruit, fruit juice, wheat, and nitrates. It encourages the consumption of healthy fruits, vegetables, lean meats, and whole grains. During Phase 2, foods like olive oil, eggs, nuts, seeds, avocados, and olives are recommended.
The diet recommends cardio, particularly in Phase 1, as your body has easily accessible energy from high-glycemic carbs. In Phase 2, strength training and at least one weight-lifting session are encouraged. Overall, the diet suggests increasing your physical activity to boost your metabolism.
After completing the Fast Metabolism Diet, it is important to maintain a healthy and balanced diet with a focus on nutrient-dense whole foods. Continue to incorporate physical activity and strength training into your routine to maintain a healthy metabolism. Consult with a healthcare professional to assess your individual needs and make any necessary adjustments to your diet and lifestyle.











































