
P90X is a 90-day workout and
| Characteristics | Values |
|---|---|
| Number of Phases | 3 |
| Phase 1 Name | Fat Shredder |
| Phase 1 Description | High-protein, low-calorie diet, which aims to strip fat while building muscle |
| Phase 1 Macronutrient Ratio | 50% protein, 30% carbohydrates, 20% fat |
| Phase 2 Name | Energy Booster |
| Phase 2 Description | Increased carbohydrate intake for energy, with slightly less protein |
| Phase 2 Macronutrient Ratio | 40% protein, 40% carbohydrates, 20% fat |
| Phase 3 Name | Endurance Maximizer |
| Phase 3 Description | Focus on complex carbohydrates, reduced protein, and increased calories |
| Phase 3 Macronutrient Ratio | 20% protein, 60% carbohydrates, 20% fat |
| Calorie Levels | 1,800, 2,400, or 3,000 |
| Food Choices | Lean protein, whole grains, fruits, vegetables, healthy fats |
| Food Choices Examples | Fish, eggs, turkey breast, lean beef, chicken breast, low-fat dairy, avocado, olive oil, nuts, whole grains |
| Food to Avoid | Caffeine, diet soda, sweets, alcohol, junk food |
| Supplements | P90X Peak Performance Protein Bars, meal-replacement shakes, whey protein bars |
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What You'll Learn
- The P90X diet has three phases: Fat Shredder, Energy Booster, and Endurance Maximizer
- The Fat Shredder phase is high-protein, low-calorie, and limits carbohydrates
- The Energy Booster phase increases carbohydrates and reduces protein intake
- The Endurance Maximizer phase is optional and features complex carbohydrates and reduced protein
- The diet eliminates junk food and focuses on whole foods, fruits, and vegetables

The P90X diet has three phases: Fat Shredder, Energy Booster, and Endurance Maximizer
The P90X diet is a nutrition plan that accompanies the P90X workout program. It is designed to meet your nutrition needs as the workouts become more challenging, with three phases: Fat Shredder, Energy Booster, and Endurance Maximizer.
The first phase, Fat Shredder, is a high-protein, low-calorie diet that aims to strip fat while building muscle. Dieters are advised to get half of their caloric intake from protein, 30% from carbohydrates, and 20% from fat. This phase is meant to complement the first phase of the P90X workout, which focuses on building and maintaining lean mass. It is the most restrictive phase of the diet, and dieters may feel they lack energy for the workouts due to the limited carbohydrate intake.
The second phase, Energy Booster, increases carbohydrate intake to provide more energy for the more challenging second phase of the P90X workout. Protein intake is reduced, with dieters advised to get 40% of their calories from protein and 40% from carbohydrates, with the remaining 20% from fat. This phase is intended to be more affordable and enjoyable, with the inclusion of more carbohydrate-rich foods.
The third and final phase, Endurance Maximizer, is an optional phase that features complex carbohydrates and reduced protein. Dieters eat the same types of foods as in the second phase but increase their serving sizes to meet the extra demand for calories in the most challenging phase of the P90X workout.
Within each of the three phases, there are three levels: one, two, and three. Dieters are instructed to calculate their daily caloric burn, including an estimated 600 calories spent on the P90X workouts, and their resting metabolic rate. The P90X nutrition plan offers meal suggestions for each level and stage of the diet, with a variety of supplements available, such as protein bars and meal-replacement shakes.
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The Fat Shredder phase is high-protein, low-calorie, and limits carbohydrates
The P90X workout is based on an exercise philosophy called "muscle confusion", which involves constantly switching forms of exercise so that muscles never fully acclimate. The P90X diet is designed to complement this workout. It has three phases, each with three levels, that roughly correlate with the three phases of the P90X exercise program.
The first phase of the P90X diet is called "Fat Shredder". This is a high-protein, low-calorie diet, which aims to strip fat while building muscle. Dieters following this phase get 50% of their calories from protein, 30% from carbohydrates, and 20% from fat. The focus is on lean protein, such as fish, eggs, turkey breast, lean cuts of beef (e.g. sirloin), chicken breast, and low-fat dairy. All fruits and vegetables are included in the diet plan, although fruit is limited to one to two servings per day, depending on the calorie level. Healthy fats, such as avocado, olive oil, canola oil, and flaxseed oil, are also included, along with small amounts of low-fat condiments.
The Fat Shredder phase is designed to be restrictive, and it is the most challenging of the three phases. It is important to note that this phase is meant to complement the P90X workout plan, so if you follow the diet plan alone, you may not get the same results. The limited carbohydrate intake may help with burning fat, but because carbs are the body's preferred fuel source, you may lack energy for the workouts.
The second phase of the P90X diet is called "Energy Booster". During this phase, protein intake is reduced to 40% of total calories, and carbohydrate intake is increased to 40% of total calories. The purpose of this phase is to provide increased energy to keep up with the more challenging second phase of the P90X workout. Dieters can expect to pair lean protein with foods such as whole-wheat bagels, oatmeal, whole-wheat pasta, granola, whole-wheat waffles, sweet potatoes, and whole-grain pita bread.
The third and final phase of the P90X diet is called "Endurance Maximizer". This phase is optional and features complex carbohydrates and reduced protein, with only 20% of calories coming from protein. Serving sizes increase during this phase to meet the extra demand for calories in the most challenging phase of the P90X workout.
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The Energy Booster phase increases carbohydrates and reduces protein intake
The P90X workout is based on an exercise philosophy called "muscle confusion", which involves constantly switching forms of exercise so that muscles never fully acclimate. The P90X diet is designed to work in tandem with the P90X exercise program and is divided into three phases, each with different nutritional requirements.
The second phase of the P90X diet is called the "Energy Booster" phase, which increases carbohydrate intake to boost energy for the demanding P90X workouts. During this phase, dieters are instructed to reduce their protein intake and increase their consumption of carbohydrates. Specifically, caloric intake is set at 40 percent protein, 40 percent carbohydrates, and 20 percent fat.
The Energy Booster phase is intended to provide dieters with increased energy by boosting their carbohydrate intake. Carbohydrates are a key source of energy for the body, and increasing carbohydrate consumption can help fuel intense workouts and improve athletic performance. This phase may be particularly important for those who are highly active and require additional energy to support their exercise routines.
In addition to increasing carbohydrate intake, the Energy Booster phase also emphasizes the importance of lean proteins and healthy fats. While protein intake is reduced during this phase, it still comprises a significant portion of the diet at 40 percent of total calories. Lean proteins, such as fish, chicken, and plant-based sources, can help support muscle repair and growth, which is crucial for individuals engaging in intense exercise routines.
The P90X diet, including the Energy Booster phase, is not a one-size-fits-all approach. Dieters are instructed to calculate their daily caloric burn, taking into account the estimated 600 calories spent on daily P90X workouts, and their resting metabolic rate. Based on this information, they can determine their daily caloric expenditure and adjust their macronutrient ratios accordingly. This customization allows individuals to tailor the P90X diet to their unique needs and goals.
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The Endurance Maximizer phase is optional and features complex carbohydrates and reduced protein
The P90X diet is a nutrition plan that accompanies the P90X workout program. The workout is based on an exercise philosophy called "muscle confusion", which involves constantly switching forms of exercise so that muscles never fully acclimate. The diet is structured into three phases, which roughly correspond to the three phases of the P90X exercise program.
The third phase of the P90X diet is called the Endurance Maximizer. This phase is optional and features complex carbohydrates and reduced protein. It is designed to meet the extra demand for calories in the most challenging phase of the P90X workout. Followers of the diet eat the same types of foods as in phase two, but with larger serving sizes. In this phase, protein makes up 20% of total calories, while carbohydrates make up 60%.
The Endurance Maximizer phase is intended to be followed after the first two phases of the P90X diet: Fat Shredder and Energy Booster. The Fat Shredder phase is a high-protein, low-calorie diet, which aims to strip fat while building muscle. Half of all caloric intake is protein, 30% is carbohydrates, and 20% is fat. The Energy Booster phase involves a reduction in protein intake and an increase in carbohydrate consumption, with 40% of calories coming from each.
The P90X diet focuses on nutrient-rich whole foods and eliminates unhealthy processed foods. It is recommended that those following the diet seek prior approval from their doctor.
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The diet eliminates junk food and focuses on whole foods, fruits, and vegetables
The P90X diet is a nutrition plan that accompanies the P90X workout program. The workout is based on an exercise philosophy called "muscle confusion", which involves constantly switching forms of exercise so muscles never fully acclimate. The diet has three phases, which roughly correlate to the three phases of the P90X exercise program.
The first phase of the P90X diet is called "Fat Shredder". This is a high-protein, low-calorie diet, which aims to strip fat while building muscle. Half of all caloric intake is protein, 30% is carbohydrates and 20% is fat. The second phase is called "Energy Booster", where protein intake is reduced and carbohydrate intake is increased to provide more energy for the more challenging second phase of the workout. The third phase is called "Endurance Maximizer", which is optional and features complex carbohydrates and reduced protein.
The P90X diet eliminates junk food and focuses on whole foods, fruits, and vegetables. The diet recommends eating lean protein such as fish, eggs, turkey breast, lean cuts of beef such as sirloin, chicken breast, and low-fat dairy. It also includes all fruits and vegetables, although fruits are limited to one to two servings per day, depending on the calorie level. Healthy fats from avocado, olive oil, canola oil, or flaxseed oil are also included, along with small amounts of low-fat condiments.
Some people who follow the P90X diet choose to cut out vices such as caffeine, diet soda, sweets, and alcohol. The diet also eliminates sweetened coffee creamer, desserts, and bread from daily consumption. It is important to note that the P90X Fat Shredder plan is specifically designed to complement the P90X workout plan, so following the diet plan alone may not yield the desired results.
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Frequently asked questions
The P90X diet is a nutrition plan that accompanies the P90X workout program. It consists of three phases, each with three levels, that roughly correlate to the three phases of the P90X workout.
The first phase of the P90X diet is called "Fat Shredder" and is a high-protein, low-calorie diet that aims to strip fat while building muscle. The second phase is called "Energy Booster" and involves increasing carbohydrate intake and reducing protein intake to provide increased energy for the more challenging second phase of the workout. The third and optional phase is called "Endurance Maximizer" and features complex carbohydrates and reduced protein to meet the extra demand for calories in the most challenging third phase of the workout.
The P90X diet eliminates unhealthy processed foods and focuses on nutrient-rich whole foods. It includes all fruits and vegetables, with fruits limited to one to two servings per day. Healthy fats such as avocado, olive oil, canola oil, and flaxseed oil are also included, along with lean protein sources such as fish, eggs, turkey breast, chicken breast, and low-fat dairy.











































