Cheating on Keto: Effects and Recovery (2024)

  • What Is It
    • What is a ketogenic diet?
  • Can You Cheat on Keto
    • Can you have cheat days on a keto diet?
  • Effects of Cheating
    • How does cheating affect a keto diet?
  • How to Recover
    • How do you recover from cheating on a keto diet?
  • How to Avoid
    • Tips to avoid cheating on keto
  • Comments
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Cheating on Keto: Effects and Recovery (1)

If your primary goal of following a keto diet is to lose weight, the occasional cheat day or cheat meal is not going to completely wreck your progress

Because the keto diet is very restrictive, it can be tempting to cheat and indulge in the occasional high-carb food.

Learn about whether cheating on keto is allowed and how it can affect ketosis.

What is a ketogenic diet?

The ketogenic or keto diet is a low-carb, moderate protein, high-fat eating plan:

  • Fat: 70% of daily calories
  • Protein: 10%-25% of daily calories
  • Carbs: 5% or less of daily calories

The goal of restricting carbs is to achieve ketosis—a state in which the body burns fat instead of carbs for primary fuel.

Can you have cheat days on a keto diet?

If your primary goal of following a keto diet is to lose weight, the occasional cheat day or cheat meal is not going to completely wreck your progress even if it disrupts ketosis.

Ketosis has potential health benefits, one of which is calorie control. As long as you don’t go overboard with the cheating and you maintain an overall calorie deficit, you should still be able to see results in terms of weight loss.

One benefit of a planned cheat meal is that it allows a short period of indulgence, making it easier to stick to the keto diet in the long run. However, frequent cheat days can also promote unhealthy eating habits.

If your primary goal is staying in ketosis for other reasons (not weight loss), however, cheating on a keto diet may not be a good idea.

How does cheating affect a keto diet?

Experts claim that including a strategic cheat meal into a diet may have some psychological benefits such as reduced cravings and the resolve to stick to your meal plan overall.

Cheating on a keto diet will not always cause weight gain or increased body fat. However, potential effects of cheating on a keto diet include the following

  • Blood sugar spikes due to the abundance of carbs available, causing the body to switch back to burning glucose for fuel instead of fat
  • Stopped ketone production
  • Temporary water weight gain

Because cheating can cause spikes in blood sugar, it is common for some people to notice an intense sugar crash after eating a carb-heavy meal.

How do you recover from cheating on a keto diet?

Depending on your carb intake, metabolism, and activity levels, it may take several days to a week to re-enter ketosis.

The best way to recover from a keto cheat day is to resume your low-carb keto lifestyle. Other tips to follow include:

  • Track your carb intake: Keep note of your daily carb intake in a food diary.
  • Try intermittent fasting: Combine intermittent fasting with a keto diet to help your body shift to using fat for fuel instead of carbs.
  • Consider a medium-chain triglyceride (MCT) supplement: Because MCTs are rapidly absorbed fatty acids, they are easily converted into ketones.
  • Exercise often: Adequate physical activity depletes the glycogen stores (stored form of carbs) and, in turn, promotes ketosis.

Ketone levels in the body can also be measured by using ketone breath meters, blood ketone meters, and keto urine strips.

Tips to avoid cheating on keto

Here are simple strategies that can help you resist the urge to cheat on the keto diet:

  • Build sustainable long-term eating habits
  • Have cheat meals rather than cheat days
  • Track your daily food intake
  • Have a plan for meals and snacks
  • Try to make your everyday meals enjoyable
  • Practice mindfulness
  • Opt for keto-approved cheat meals
  • Stay hydrated
  • Get enough sleep
  • Stay physically active
  • Have an accountability partner
SLIDESHOW Foods That Aren't as Healthy as You Think See Slideshow

Medically Reviewed on 9/21/2022

References

Image Source: iStock image

Ketogenic Diet. NIH: https://www.ncbi.nlm.nih.gov/books/NBK499830/

Do ketogenic diets really suppress appetite? A systematic review and meta-analysis: https://onlinelibrary.wiley.com/doi/10.1111/obr.12230

Can You Have a Cheat Day on Keto? Ketoconnect: https://www.ketoconnect.net/can-you-have-a-cheat-day-on-keto/

Cheating on Keto: Effects and Recovery (2024)

FAQs

Cheating on Keto: Effects and Recovery? ›

A full cheat day of consuming sugar, bread and pasta will take your body out of ketosis, which may take days to recover from. That's why Carrico suggests a cheat meal every now and then instead. You'll likely consume a lower number of carbs than you would on a full cheat day.

What happens if you cheat once on keto? ›

If this is your first cheat day then it will take longer to get back into ketosis because your body has been exclusively burning fat for fuel up until that point. On average it can take about 1-2 weeks before the body begins producing enough of its own ketones after a cheat day.

How long does it take to get back on keto after cheating? ›

If you've cheated on keto, you're likely out of ketosis. Once out, you'll need to strictly follow the keto diet to reenter ketosis. This process takes several days to 1 week, depending on your carb intake, metabolism, and activity levels ( 6 , 7 , 8 ).

Can you feel sick after cheating on keto? ›

A significant cheat, even for one meal, can stall your weight loss, make you feel sluggish, experience significant brain fog, and if you're somewhat new to keto, perhaps cause you go through keto flu symptoms all over again. More than that, you will need to work your way into ketosis again.

What happens if you eat a lot of carbs after being on keto? ›

“When you reintroduce carbohydrates back into your diet — and this is more about refined carbs, I'm not talking about eating an apple — you don't feel very good.” She says some people experience a so-called carb hangover — the body feels kind of bloated and inflamed, and you may develop headaches.

What to do after a bad cheat day on keto? ›

To get back into ketosis after a keto cheat day all you have to do is to start eating proper meals according to your macros, drink plenty of water and mind your electrolytes. If you feel up to it do some light exercise to help deplete glycogen stores.

Will one cheat day ruin my progress? ›

While your metabolism may go up in the immediate aftermath of a splurge, it doesn't stay that way for long enough to make a significant difference. “Cheat day calories can add up fast and bring your weight loss progress to a screeching halt — or even reverse it,” Taylor warns.

Why do I lose more weight when I cheat on keto? ›

Research shows that after a cheat meal, the body increases its metabolism, causing you to burn calories faster. This is caused by increased levels of leptin, a hormone secreted by fat cells and responsible for maintaining energy balance in the body.

Will one slice of pizza take you out of ketosis? ›

Regular Crust

This type of pizza crust can have up to 33g of carbs without any added sauce or cheese. If you're limiting your carbs to 20-50 grams per day, one slice of this type of crust will likely kick you out of ketosis.

Is it bad to go in and out of ketosis? ›

Cycling in and out of ketosis can cause digestion problems and brain fog — and you may gain back the weight you've lost on the keto diet. What Really Happens to Your Body When examines the head-to-toe effects of common behaviors, actions and habits in your everyday life.

Why do I get diarrhea when I cheat on keto? ›

On a high-fat diet like keto, you're all of a sudden eating lots more avocado, nuts, seeds, meat, olive oil, and other fats than normal—which can disrupt digestion. “When you switch to this high fat of a diet, it can cause diarrhea,” says Hultin.

How long does keto sickness last? ›

The uncomfortable symptoms of the keto flu are usually temporary. For some people, symptoms resolve after only a few days ( 5 ). However, others may have a more difficult time adapting to this high-fat, low-carb diet. For these individuals, symptoms may last up a month ( 5 ).

Do you get the keto flu every time you cheat? ›

Having a cheat meal while on the keto diet may lead to temporary discomfort as your body adjusts back to ketosis. However, whether you experience keto flu symptoms again depends on various factors such as the duration and extent of the cheat meal and individual metabolic differences.

How long to get back into ketosis after cheat day? ›

It can take from a few days to 2 weeks to fully get back into ketosis, during which time your weight loss may be slowed down. Give your body some time to recover by fasting after a binge. It's the quickest way to reverse the negative effects of binging on carb-rich meals.

How many carbs will ruin ketosis? ›

Eating more than 50 grams of carbs may disrupt ketosis.

With keto diets, however, carb restrictions vary from person to person. Some people can eat more and still stay in ketosis, whereas others may need to restrict their carb intake more in order to stay in ketosis.

Do you gain back fat after keto? ›

You should know, however, that most medical professionals discourage following the keto diet for longer than six months [1], so you will eventually have to transition to a less-restrictive form of healthy eating. Unfortunately, because keto is such a restrictive diet, many people gain weight once they stop it.

Can you gain weight from one cheat meal on keto? ›

Your weight might spike because carbs cause you to retain water, but as long as you limit carbs after the cheat day and get back into a state of ketosis quickly, your cheat day probably won't have any long-term negative effects on your weight loss goals.

How many carbs ruin ketosis? ›

Eating more than 50 grams of carbs may disrupt ketosis.

Some people can eat more and still stay in ketosis, whereas others may need to restrict their carb intake more in order to stay in ketosis.

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