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How Long to Get Into Ketosis After Your Cheat Day

author avatar Dr. Eric Berg 02/28/2024

Returning to Ketosis After Cheat Day: Tips and Strategies

Ketosis is a metabolic state with several health benefits, including weight loss, improved mental clarity and energy levels, and a lower risk of metabolic imbalances and neurodegenerative diseases. 

Learn about how your body reacts to dietary changes and why you should avoid cheat days as much as possible to achieve keto success. Discover the various elements that impact how quickly you can restart ketosis after a carb-rich meal and explore the role of metabolism and age in getting back into ketosis.

Getting Back into Ketosis After a Cheat Day

Factors such as your metabolic flexibility, age, and general adherence to a low-carb diet can impact how quickly your body returns to ketosis.

In this section, we will discuss each factor and the role it plays in restarting ketone production. 

Metabolic Flexibility and Its Role in Returning to Ketosis

Your metabolic flexibility determines how fast your body returns to ketosis after a cheat day. A quicker metabolic rate and higher flexibility imply that your body processes carbs more rapidly and quickly and can shift back into fat-burning mode.

Factors like physical activity levels, muscle mass, and genetics can affect your metabolic speed and flexibility.

The Effect of Age on Getting Back into Ketosis

Age also affects how quickly you can re-enter ketosis post-cheat day since metabolic rates slow down as we age.

This slowdown may cause more extended periods before returning to ketosis than younger people benefit from a faster metabolism.

Importance of Strict Adherence to Your Ketogenic Diet Plan

  • Dietary discipline: Sticking closely with the recommended macronutrient ratios (high fat, moderate protein & low carb) helps to speed up ketosis after a cheat day. 

  • Fasting: Intermittent fasting can help accelerate your return to ketosis by depleting glycogen stores more quickly, forcing the body to switch back to fat-burning mode.

  • Regular physical activity, especially high-intensity workouts, can aid carbohydrate depletion and push the liver into fat-burning mode. 

In summary, getting back into ketosis after a cheat day depends on factors such as metabolic flexibility, age, and how well you generally adhere to ketosis. 


Understanding these variables and implementing strategies such as intermittent fasting and exercise routines alongside maintaining strict dietary discipline throughout meal planning stages will ensure smoother transitions between non-ketogenic periods (cheat days) and returning to ketosis.

How Long Does it Take to Return to Ketosis After a Cheat Day?

When re-entering ketosis after a cheat day, the timeframe can vary depending on several factors, such as metabolism, age, and how adapted your body is to burn fats as a primary fuel source. 

It's important to understand that it can take one to four days to return to ketosis after a cheat day. 

Shortest possible timeframe: 24 hours

The quickest way back into ketosis is typically within 24 hours for those who have been strictly following the ketogenic diet for an extended period and have a fast metabolism.

To expedite this process, you may want to consider incorporating high-intensity exercise or intermittent fasting immediately after your cheat day.

Average timeframe: 48 hours

The average person may require around 48 hours before their liver restarts ketone production after consuming carb-rich foods.

In order to facilitate this transition, ensure you get back on track with your ketogenic meal plan and stay well-hydrated throughout the day. Drinking plenty of water helps flush out excess carbohydrates but also aids in reducing inflammation caused by consuming high-carb foods during your cheat day.

Slow Return to Ketosis: 72+ hours

In some cases, it might take as long as four days for individuals with slower metabolisms or those new to the ketogenic lifestyle before they can fully enter ketosis again post-cheat day.

If you struggle during this period, try implementing additional strategies like intermittent fasting or incorporating MCT oil into your diet to help shift your metabolism into fat-burning mode. The duration of regaining ketosis following a cheat day may differ among individuals, with some achieving it within 24 hours while others taking up to four days.

It is crucial to consider the duration it takes for one's body to get back into ketosis and how cheat meals or days may affect overall progress toward health objectives.

hungry young woman craving eating donuts

The Impact of Cheat Meals vs. Cheat Days

When following a ketogenic diet, it's essential to understand the difference between indulging in just one cheat meal versus an entire cheat day when trying to return to ketosis quickly. 

Comparing Effects of Single Cheat Meals vs. Full-Day Cheats

A single cheat meal is less likely to significantly impact your progress compared to an entire day filled with high-carb foods.

Eating a single carb-heavy meal may briefly throw your body out of ketosis, yet it should be able to get back in relatively quickly compared to when you consume carbs throughout the day.

Strategies for Minimizing Negative Impacts of Carb-Rich Foods

To minimize the adverse effects of cheating while still enjoying life's pleasures, consider implementing these strategies:

  1. Incorporate physical activity: Regularly exercise to help your body burn off excess carbs and return to ketosis more quickly.

  2. Opt for healthier cheat options: Choose lower-carb, higher-fiber foods when indulging in a cheat meal or day. To minimize the effects of elevated blood sugar, opt for lower-carb, higher-fiber foods when enjoying a cheat meal or day.

  3. Maintain portion control: Even during a cheat meal, be mindful of portion sizes so you don't overeat and further delay your return to ketosis.

Incorporating these strategies will allow you to enjoy occasional indulgences without compromising the benefits of ketosis. By adhering to a consistent keto diet, you can maximize its benefits while still enjoying occasional treats.

Healthy Pleasure Foods for Keto-Friendly Cheating

If you're on a keto diet, it's normal to crave the occasional treat. However, you don't have to sabotage your keto success by consuming high-carb foods.

Instead, try incorporating healthier options that are keto-friendly and satisfy your cravings without compromising ketosis.

Keto-Friendly Treats 

  • Keto Chocolate Mousse: Made with heavy cream, unsweetened cocoa powder, and a low-carb sweetener like erythritol or stevia, this dessert is delicious and keto-friendly. Check out this keto chocolate mousse recipe.

  • Zucchini Fries: Swap traditional potato fries for zucchini fries coated in almond flour and parmesan cheese before baking them in the oven. Try this mouthwatering zucchini fries recipe.

  • Cauliflower Pizza Crust: Satisfy your pizza craving by using cauliflower as the base for a low-carb crust alternative. Mix sugar-free tomato sauce, mozzarella cheese, and other keto-friendly ingredients to create your favorite pizza. Here's an easy-to-follow cauliflower pizza crust recipe.

  • Keto Ice Cream: Enjoy guilt-free ice cream by making a homemade version of full-fat coconut milk or heavy cream combined with vanilla extract and a keto-friendly sweetener. Try this creamy keto ice cream recipe.

Tips for Creating Satisfying yet Low-Carb Alternatives

When looking to indulge in healthier pleasure foods while following the ketogenic diet, consider these tips:

  1. Experiment with alternative flours: Replace wheat flour with almond or coconut flour when baking your favorite treats.

  2. Sweeten wisely: Opt for low-carb sweeteners like erythritol, stevia, or monk fruit instead of sugar.

  3. Incorporate healthy fats: Use full-fat dairy products and natural sources of fat such as avocado, nuts, and seeds to create satisfying dishes that align with keto guidelines.

Maintaining progress toward your goals doesn't mean you must deprive yourself entirely. By incorporating these healthier pleasure food options, you can enjoy life's indulgences without compromising the benefits of ketosis.

Maintaining Motivation & Discipline On Keto

Staying motivated and disciplined throughout your keto journey is crucial for long-term success, especially when faced with temptations or setbacks like cheat days.

It's essential to balance enjoying life's pleasures without compromising the benefits of ketosis.

Tips for Staying Focused on Long-Term Goals

  • Set realistic expectations: Understand that weight loss takes time and patience. Establish achievable short- and long-term goals to keep yourself motivated.

  • Create a support system: Surround yourself with friends, family members, or online communities with similar health goals. This will encourage me during challenging times.

  • Educate yourself: Learn about the science behind the ketogenic diet by reading books, articles, or watching videos from reputable sources. Knowledge empowers you to make informed decisions about your nutrition plan.

Strategies for Overcoming Cravings and Temptation

  • Avoid trigger foods: Identify high-carb foods that cause intense cravings (e.g., sugary desserts) and avoid keeping them at home or within easy reach.

  • Fight hunger with healthy fats: Incorporate satiating fats like avocado, nuts, and olive oil into your meals to help curb hunger.

  • Plan for social events: If you know you'll attend a gathering, have a keto-friendly meal beforehand, or bring your low-carb dish to share.

Incorporating these tips and strategies will help maintain motivation and ensure long-term success on the ketogenic diet.


1. Can I Still Be In Ketosis After A Cheat Day?

It is unlikely you will remain in ketosis after a cheat day, as consuming high amounts of carbohydrates can quickly kick you out of ketosis. However, individual responses may vary based on metabolic flexibility and activity levels.

2. How Long Does It Take To Get Back Into Ketosis After Cheating?

The time required to return to ketosis varies from person to person but typically ranges between 24 hours to four days.

Factors affecting this timeframe include age, metabolism, adherence to the ketogenic diet plan, and physical activity.

3. What Should I Do On Keto After A Cheat Day?

  • Resume strict adherence to your ketogenic diet plan.

  • Increase water intake for hydration.

  • Incorporate intermittent fasting.

  • Deplete glycogen stores with physical activity.

The above steps will help ensure you return to ketosis as quickly as possible following a cheat day.

4. Will One Cheat Day On Keto Ruin Everything?

No, one cheat day will not completely derail your progress; however, it might temporarily disrupt ketosis.

Maintaining discipline and focusing on long-term goals while resuming strict adherence to the ketogenic diet immediately following a cheat meal or day is essential.


Regaining ketosis after a cheat day may seem daunting. However, it's possible to resume fat-burning with the correct steps quickly. 

Remember that the timeframe for returning to ketosis may vary based on age and the extent of cheating. However, staying motivated and disciplined throughout your keto journey can overcome carb cravings and maintain long-term success.

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