
The 17 Day Diet is a weight loss program that consists of four cycles, the first three of which are 17 days long each, while the fourth cycle is meant to be followed for life. The diet starts off at its most restrictive, with a 1,200-calorie limit and a high-protein, low-fat, no-carb emphasis. However, as users move through the cycles, more and more foods are added, and the diet becomes less restrictive. The key to this diet is changing your food combinations and calorie intake every 17 days to keep your metabolism guessing and in a fat-burning state.
| Characteristics | Values |
|---|---|
| Number of cycles | 4 |
| Length of each cycle | 17 days |
| Total length of the first three cycles | 51 days |
| First cycle | Accelerate |
| Second cycle | Activate |
| Third cycle | Achieve |
| Fourth cycle | Arrive |
| Purpose of the first cycle | Promote rapid weight loss by improving digestive health |
| Purpose of the second cycle | Reset metabolism by alternating between low and high-calorie days |
| Purpose of the third cycle | Establish healthy eating habits with steady, manageable weight loss |
| Purpose of the fourth cycle | Keep you at your goal weight |
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What You'll Learn
- The four cycles of the 17-day diet are Accelerate, Activate, Achieve, and Arrive
- The first three cycles last 17 days each
- The diet progressively increases calorie intake by introducing more calorie-rich options
- The Arrive cycle is meant to be followed for life
- The diet is anchored in whole foods, exercise, and healthy habits

The four cycles of the 17-day diet are Accelerate, Activate, Achieve, and Arrive
The 17-day diet is a weight-loss program that promises quick results by changing food combinations and calorie intake through different cycles. The four cycles of the 17-day diet are Accelerate, Activate, Achieve, and Arrive. Each cycle lasts 17 days, except for the final Arrive cycle, which is intended to be followed for life.
The first cycle, Accelerate, is designed to promote rapid weight loss by improving digestive health. It eliminates sugar, sweets, and refined carbohydrates and encourages the consumption of low-carb vegetables, lean protein, and probiotic foods. The second cycle, Activate, aims to reset your metabolism by alternating between lower and higher calorie days. This strategy, known as "body confusion," helps to prevent plateaus and stimulate fat burning.
The third cycle, Achieve, focuses on establishing healthy eating habits with steady, manageable weight loss. Alternate-day fasting is no longer required, and a wider variety of carb sources and fruits and vegetables are introduced. Alcohol is also allowed in moderation. To compensate for the increase in food intake, it is recommended to increase aerobic exercise to 45-60 minutes per day.
The fourth and final cycle, Arrive, is designed to be followed long-term to maintain one's goal weight. During the week, individuals follow the meal plans from the previous cycles, while the weekends offer more flexibility, allowing for indulgent meals and alcoholic beverages in moderation. This cycle emphasizes the importance of balancing healthy eating during the week with occasional treats on the weekends.
The 17-day diet emphasizes whole, unprocessed foods and exercise, which are proven to have health benefits such as lowering the risk of heart disease and diabetes. However, critics argue that many of its rules and claims are not supported by high-quality scientific evidence, and its effectiveness for long-term weight maintenance is questionable.
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The first three cycles last 17 days each
The 17-day diet is a weight-loss program that promises quick results by changing food combinations and calorie intake through different cycles. The diet is divided into four cycles: Accelerate, Activate, Achieve, and Arrive. The first three cycles last 17 days each, while the Arrive cycle is meant to be followed for life.
The first cycle, Accelerate, is designed to promote rapid weight loss by improving digestive health. It helps clear sugar from the blood to boost fat-burning and discourage fat storage. This cycle reduces carbohydrate intake and eliminates all sugar, sweets, and refined carbohydrates, replacing them mainly with low-carb vegetables. Detox is also a key element of this cycle, with dieters encouraged to drink hot lemon water in the morning, green tea during meals, and plenty of water throughout the day.
The second cycle, Activate, is all about keeping your body from experiencing a plateau through alternating high and low caloric days. This cycle adds in other lean proteins and starchy vegetables, grains, and legumes from an expanded food list. On lower-calorie days, dieters eat the same foods as in the first cycle, while on higher-calorie days, they can add two servings of naturally starchy carbs.
The third cycle, Achieve, aims to establish healthy eating habits with steady, manageable weight loss. Alternate-day fasting is no longer required, and dieters can eat a wider variety of carb sources, such as breads, pastas, high-fiber cereals, and fresh fruits and vegetables. Alcoholic beverages are allowed in moderation, but the diet advises passing on these if you want to lose more weight.
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The diet progressively increases calorie intake by introducing more calorie-rich options
The 17-Day Diet is a weight-loss program that promises quick results by changing food combinations and calorie intake through different cycles. The diet is divided into four cycles: Accelerate, Activate, Achieve, and Arrive. The first three cycles last 17 days each, while the Arrive cycle is meant to be followed for life.
The diet starts off at its most restrictive—1,200 calories, with a high-protein, low-fat, no-carb emphasis. However, as users move through the cycles, the diet progressively increases calorie intake by introducing more calorie-rich options. This means that as the diet progresses, it gradually eases up. By the end, you can have the occasional drink, a 100-calorie snack, or a cheat meal.
Cycle 2, also known as the "body confusion cycle" or Activate, is where you switch things up to confuse your metabolism. This cycle is all about keeping your body from experiencing a plateau through alternating high and low caloric days. On high-calorie days, you can add in other types of proteins and starchy foods, such as beef, pork, certain shellfish, oatmeal, brown rice, and sweet potatoes.
Cycle 3, or "Achieve," aims to establish healthy eating habits with steady, manageable weight loss. Alternate-day fasting is no longer required, and you are allowed to eat a wider variety of carb sources, such as breads, pastas, high-fiber cereals, and virtually any fresh fruit or vegetable. Since you're eating more food than in previous cycles, it's recommended to increase aerobic exercise to 45–60 minutes per day.
Cycle 4, or "Arrive," is designed for the long term to help you maintain your goal weight. This cycle allows you to eat foods from the first three cycles during the week and then gives you the flexibility to enjoy your favorite meals with alcohol in moderation over the weekend.
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The Arrive cycle is meant to be followed for life
The 17-Day Diet is a weight-loss program that promises quick results by changing your food combinations and calorie intake through different cycles. The first three cycles of the 17-Day Diet last 17 days each, while the fourth and final cycle, the Arrive cycle, is meant to be followed for life.
The four cycles of the 17-Day Diet are Accelerate, Activate, Achieve, and Arrive... The first cycle, Accelerate, is designed to promote rapid weight loss by improving digestive health and boosting fat-burning. It involves reducing carbohydrate intake, eliminating sugar, and increasing lean protein and low-carb vegetables.
The second cycle, Activate, focuses on resetting your metabolism by alternating between lower and higher calorie days to stimulate fat burning and prevent plateaus. This cycle introduces new food options while still following the rules of the first cycle, including no carbs after 2:00 pm.
The third cycle, Achieve, aims to establish healthy eating habits and continue weight loss. Alternate-day fasting is no longer required, and a wider variety of carb sources and fruits and vegetables are allowed. Alcohol is also permitted in moderation.
The fourth and final cycle, Arrive, is designed to be followed for life to maintain weight loss. During this cycle, individuals can choose any meal plan from the previous three cycles to follow during the week, with the option to enjoy more indulgent meals in moderation from Friday dinner through Sunday dinner. This cycle encourages a balanced approach to eating healthily during the week while allowing for some flexibility on the weekends.
The 17-Day Diet has been criticised for lacking scientific evidence to support its claims and rules. It may also be challenging to follow long-term due to its restrictive nature and frequent changes in food combinations. However, it provides a framework of diet and exercise that can help with weight loss and building healthy habits.
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The diet is anchored in whole foods, exercise, and healthy habits
The 17-day diet is a weight-loss program that involves cycling through different stages of food combinations and calorie intake. The diet is divided into four cycles of 17 days each, and the key is to constantly change foods and calories to boost metabolism and prevent boredom.
The first cycle, known as the "Accelerate" cycle, is the most restrictive, emphasizing high protein, low-fat, and no carbs. This phase eliminates sugar, grains, fruit, and most dairy foods. The second cycle, or the "body confusion cycle," involves alternating between high and low-calorie days to keep the body from plateauing. The third cycle, "Achieve," focuses on establishing healthy eating habits and reintroducing additional foods, while the fourth and final cycle, "Arrive," is designed for long-term weight maintenance, allowing for some flexibility with meals and alcohol on weekends.
The 17-day diet is anchored in whole foods, exercise, and healthy habits. Whole foods are naturally packed with fiber and include whole grains, legumes, fruits, and vegetables. This diet may require more meal planning and preparation compared to processed foods, but it can be streamlined through habits like batch cooking and freezing leftovers. Exercise is also a key component of the 17-day diet, with a suggested 17-minute weightlifting and cardio workout to be performed 6 days a week. Additionally, healthy habits such as adequate sleep and other lifestyle factors are encouraged to support overall health.
The effectiveness of the 17-day diet in maintaining weight loss is questionable due to its restrictive nature and life-long dieting approach. Instead, adopting a balanced diet of whole foods, limiting refined sugar, and engaging in regular exercise may be more sustainable for long-term weight management. While the 17-day diet may provide quick weight loss results, it's important to prioritize sustainable and healthy habits that align with individual needs and lifestyles.
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Frequently asked questions
The 17-day diet is divided into four cycles, the first three of which last 17 days each. The fourth cycle, the 'Arrive' cycle, is meant to be followed for life.
The key to this diet is changing your food combinations and calorie intake every 17 days. Each cycle has a specific purpose, with the first cycle designed to promote rapid weight loss by improving digestive health and eliminating sugar and carbs. The second cycle, also known as the "body confusion cycle", aims to reset your metabolism by alternating high and low-calorie days. The third cycle introduces a wider variety of carb sources and alcohol in moderation.
The fourth cycle, or 'Arrive' cycle, is designed for the long term to help you maintain your goal weight. During this cycle, you can choose any of the meal plans from the previous three cycles, following it from Monday breakfast to Friday lunch. From Friday dinner to Sunday dinner, you can enjoy more indulgent meals in moderation.










































