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What is Phase 1 of the Mayo Clinic Diet?

4 min read

According to the Mayo Clinic, the initial 'Lose It!' phase can help participants lose up to 6 to 10 pounds in just two weeks, offering a significant psychological boost to fuel long-term success. This aggressive, two-week kickstart is designed to quickly instill a new set of healthy habits and reset your relationship with food.

Quick Summary

The 'Lose It!' phase is a two-week jumpstart of the Mayo Clinic Diet, focusing on adopting 15 key habits for quick weight loss through dietary and behavioral changes.

Key Points

  • Two-Week Jumpstart: The 'Lose It!' phase is a structured, two-week period designed to kickstart your weight loss journey.

  • 15 Habit Changes: This phase requires you to add five healthy habits, break five unhealthy habits, and adopt five bonus habits.

  • Unlimited Fruits and Veggies: You can eat unlimited amounts of most fruits and vegetables, promoting satiety and high nutrient intake.

  • Eliminate Added Sugar and Alcohol: For two weeks, all added sugars and alcoholic beverages are strictly off-limits.

  • Foundation for Long-Term Change: The habits and knowledge gained in Phase 1 lay the groundwork for the lifelong maintenance plan of Phase 2.

In This Article

Understanding the 'Lose It!' Phase

Phase 1 of the Mayo Clinic Diet is formally known as the "Lose It!" phase. It is a structured, two-week period engineered to jump-start your weight loss by addressing lifestyle habits that affect your weight. Instead of focusing on strict calorie counting, this phase emphasizes behavioral science to help participants learn and practice new, healthier routines.

This initial stage requires a firm commitment to a set of 15 habits, divided into three categories: five habits to add, five to break, and five bonus habits for amplified results. The rapid changes are intended to provide noticeable results, boosting motivation as you transition to the second, long-term phase of the diet.

The 15 Habits: Add, Break, and Bonus

To successfully navigate the "Lose It!" phase, you must diligently follow all 15 habit guidelines. These are not merely suggestions but the foundational pillars of the diet's initial success.

5 Habits to Add:

  • Eat a healthy breakfast: Start your day with a nutritious meal to energize your body and curb cravings.
  • Eat plenty of fruits and vegetables: These nutrient-dense, low-calorie foods are the cornerstone of the diet and can be eaten in unlimited quantities.
  • Choose whole grains: Opt for whole-grain products like brown rice and whole-wheat bread over refined grains.
  • Focus on healthy fats: Incorporate unsaturated fats from sources like olive oil and avocados, while limiting saturated and trans fats.
  • Get at least 30 minutes of daily exercise: Moderate physical activity, such as brisk walking, is a mandatory part of this phase.

5 Habits to Break:

  • Avoid added sugar: Eliminate all added sugars, including sweetened beverages, candies, and baked goods.
  • Eliminate snacking (mostly): Only snack on fruits and vegetables, avoiding all other types of snacks during this phase.
  • Limit meat and full-fat dairy: Consume only moderate portions of lean protein and low-fat dairy.
  • Stop eating while watching TV: Practice mindful eating by eliminating distracted eating habits.
  • Avoid eating out (unless compliant): Limit restaurant meals to avoid hidden sugars and unhealthy fats, unless you can ensure the meal follows the diet's strict rules.

5 Bonus Habits:

  • Log your food and activity: Keep a record of your eating and exercise to stay accountable.
  • Exercise for 60+ minutes per day: Double your daily activity for an extra push.
  • Eat 'real food': Focus on natural and minimally processed foods.
  • Keep a goal diary: Track your progress and goals to stay motivated.
  • Move more throughout the day: Increase your non-exercise activity, such as taking the stairs instead of the elevator.

A Sample Meal Plan for Phase 1

To give you a better idea of what to expect, here is a sample day’s menu during the "Lose It!" phase, based on the approved food choices:

  • Breakfast: Oatmeal with fresh berries and a sprinkle of walnuts.
  • Lunch: A large salad with mixed greens, bell peppers, carrots, cucumber, and grilled skinless chicken breast with a light olive oil vinaigrette.
  • Dinner: Baked salmon with roasted asparagus and a side of quinoa.
  • Snack: Apple slices with a handful of almonds, or unlimited celery sticks.

The Mayo Clinic Diet Phases: A Comparison

To clarify how Phase 1 differs from the subsequent "Live It!" phase, consider the following comparison table. It highlights the shift from a restrictive jumpstart to a sustainable, long-term lifestyle.

Feature Phase 1 (Lose It!) Phase 2 (Live It!)
Duration Two weeks Ongoing, lifelong
Goal Rapid weight loss (6–10 pounds) Gradual weight loss (1–2 pounds/week) and maintenance
Focus Resetting habits through a structured plan Applying lifelong strategies and portion control
Restrictions More restrictive (no added sugar/alcohol) Less restrictive (occasional treats allowed)
Calories Not counted Focus on food group portions for calorie management

Is Phase 1 Right for You? Benefits and Considerations

The "Lose It!" phase can be a powerful and effective way to begin a weight loss journey, but it is not without its considerations.

Potential Benefits:

  • Motivating Results: The initial rapid weight loss can provide a strong psychological boost and build confidence.
  • Behavioral Science: The focus on habit formation provides a durable foundation for long-term change, a scientifically proven method for weight management.
  • Nutrition-Focused: It emphasizes nutrient-dense foods, improving overall health and reducing the risk of chronic disease.
  • Flexibility within Structure: While certain foods are restricted, the ability to consume unlimited fruits and vegetables prevents feelings of intense deprivation.

Potential Downsides:

  • Initial Restriction: The strict elimination of certain foods may feel challenging or restrictive for some, especially those used to high-sugar or processed diets.
  • Digestive Adjustment: The high fiber intake from unlimited fruits and vegetables can lead to minor, temporary digestive changes like gas for those not accustomed to a high-fiber diet.
  • Not for Everyone: Individuals with specific health conditions, such as diabetes, may need to adjust the plan with their doctor.

Conclusion: Setting the Stage for Long-Term Success

Phase 1, the "Lose It!" phase of the Mayo Clinic Diet, is an effective and structured way to initiate significant weight loss and begin building a healthier lifestyle. By following the 15 behavioral guidelines, you can achieve motivating results in just two weeks, which will serve as the springboard for the ongoing "Live It!" phase. The emphasis on whole foods and daily activity promotes not only weight loss but also improved overall health, proving that this scientifically backed approach is more than just a diet—it's a path toward sustainable wellness. For further information and resources, visit the official Mayo Clinic Diet website.

Important Considerations

Before embarking on any new diet, it is always recommended to consult with a healthcare professional or a registered dietitian. They can provide personalized advice and ensure the plan is appropriate for your specific health needs and goals.

Frequently Asked Questions

The main goal of Phase 1, also known as the 'Lose It!' phase, is to jump-start weight loss by helping you shed 6 to 10 pounds in just two weeks through adopting new, healthy habits.

Phase 1 is designed to last for two weeks. However, you can revisit it anytime you need to get back on track or restart your weight loss progress.

No, calorie counting is not required during the two-week 'Lose It!' phase. The focus is on establishing healthy eating habits and increasing your intake of nutrient-dense foods like fruits and vegetables.

During Phase 1, you must avoid all added sugars and alcoholic beverages. You should also limit your intake of full-fat dairy, meat, and refined grains.

The program recommends at least 30 minutes of moderate physical activity every day. For an extra boost, one of the bonus habits is to increase this to 60 minutes or more daily.

Eating out is one of the habits to break during Phase 1. You should avoid dining out unless you can confirm that the meal strictly adheres to the dietary guidelines of this phase.

After completing Phase 1, you transition to the lifelong "Live It!" phase. This phase is less restrictive and helps you continue losing weight gradually and maintain your healthy habits over the long term.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.