Does Intermittent Fasting Cause Ketosis

Does Intermittent Fasting Cause Ketosis?

Written by Andrew Brewer. ⚕️Reviewed and fact checked by our medical team.

Does Intermittent Fasting Cause Ketosis

Losing weight can be difficult, especially if your body isn’t in a state where it can actively burn calories and fats. Ketosis is a fantastic way to promote weight loss in your body, but it can be difficult to achieve this state.

For some, intermittent fasting could be the path towards ketosis, but how effective is it really? We’ll take a look at how to achieve ketosis and whether or not intermittent fasting is an effective way to get there.

Key Takeaways

  • There are several ways to enter ketosis, including cutting carbs, exercising more often, and increasing protein intake.
  • Intermittent fasting can be a safe and effective way to achieve ketosis and promote weight loss by restricting the number of carbs and calories you’re introducing into your body.
  • While there may be some negative side effects associated with ketosis and intermittent fasting, taking care of yourself and staying within healthy boundaries can minimize these risks.
  • It’s important to find the right intermittent fasting method for your body and weight loss goals, whether that’s a gentle or more demanding plan.
  • Always consult with a healthcare professional before starting any new diet or exercise routine.

Many Different Ways to Enter Ketosis

Let’s start out by looking at the many different ways for the body to enter ketosis. The first and most common way of entering ketosis is cutting carbs. Ketosis is triggered when the body reaches a certain point of low calories and carbohydrates. This is when the weight loss is most effective. By limiting the number of carbs you have, you’ll easily enter ketosis.

Another common method is exercising more often. This has to be done in tandem with low-calorie diets, but working out more will trigger ketosis much faster. It can be dangerous if you over-exercise and enter ketosis too quickly, but it certainly will help speed the process along. Introducing certain oils into your diet will also help cut calories and achieve ketosis.

A third way of entering ketosis is through protein intake. You shouldn’t exceed a certain amount of protein, but having an abundant source of it in your body will make the process much easier. Cutting protein is also an effective way to quickly enter ketosis, but it’s much less healthy for the body and can have dangerous side effects. Eating more protein takes longer but is safe.

Cutting Carbs for Ketosis

As we mentioned, cutting cards is an effective way to achieve ketosis, but it can be difficult to limit what you’re eating throughout the day based on how many carbs it has. Luckily, there is a process that naturally introduces cutting carbs, making achieving ketosis easier: Intermittent fasting.

If you’re looking for a safe and effective way to enter ketosis with ease, then intermittent fasting is the weight loss plan for you. Because of the extended fasting window, intermittent fasting helps restrict the number of carbs and calories you’re introducing into your body which can lead to ketosis. Some intermittent fasting plans might be more effective than others.

Is Ketosis Healthy?

Why would someone want to achieve ketosis in the first place? There is a stigma around about the keto diet and what negative effects it can have on the body. Is there any truth to these fears?

As with any diet, there are bound to be some negative side effects, but as long as you take care of yourself and don’t push past your limits, you won’t have to worry. Ketosis is an effective way of losing weight as your body limits the number of new nutrients entered so that it can focus on burning fats already in the body.

Ketosis and intermittent fasting are just as healthy as any standard diet, more so in some cases. They’re some of the most effective weight loss methods out there that also promote bodily wellness. If you’re looking for a safe and effective way to lose weight while remaining healthy, the ketosis through intermittent fasting is right for you.

Picking the Right Intermittent Fasting Method

There are many different forms of intermittent fasting, some more effective at achieving ketosis than others. If you’re looking for a gentle weight loss method that doesn’t strain the body too much, then sticking with one of the lower intermittent fasting plans might be beneficial for you. If you’re looking to achieve ketosis quick and lose weight fast, then a more demanding plan might be on the cards.

Don’t forget to check our top 10 intermittent fasting apps to make your intermittent fasting journey easier.


  • Does intermittent fasting cause ketosis?

Intermittent fasting can cause ketosis, but it is not guaranteed. Ketosis occurs when the body runs out of glucose (carbohydrates) and starts burning fat for energy. This is more likely to occur during periods of fasting or when following a very low-carb diet.

  • What is ketosis?

Ketosis is a metabolic state in which the body uses ketones (byproducts of fat metabolism) as its primary fuel source instead of glucose (byproducts of carbohydrate metabolism). This usually occurs when the body is starved of carbohydrates, such as during periods of fasting or when following a low-carb, high-fat diet.

  • What are the benefits of ketosis?

Some potential benefits of ketosis include weight loss, improved insulin sensitivity, reduced inflammation, and increased mental clarity and focus.

  • Is ketosis safe?

Ketosis is generally considered safe for most people, but it can cause some side effects, such as bad breath, constipation, and headaches. People with certain medical conditions, such as type 1 diabetes or liver disease, should avoid ketosis or consult a healthcare professional before attempting it.

  • What are some common ways to achieve ketosis?

The most common ways to achieve ketosis include following a low-carb, high-fat diet (such as the ketogenic diet) or practicing intermittent fasting. It’s important to note that the body will only enter ketosis if carbohydrate intake is low enough, so it’s essential to restrict carbohydrates during both of these approaches.

  • Is ketosis the same as ketoacidosis?

No, ketosis is not the same as ketoacidosis. Ketoacidosis is a life-threatening condition in people with uncontrolled diabetes and is characterized by extremely high levels of ketones and blood sugar. On the other hand, ketosis is a natural metabolic state that occurs when the body burns fat for fuel instead of carbohydrates.


Andrew Brewer

Andrew Brewer

Andrew Brewer started to give people the guidance that he never received when he was first starting. His goal is to make your goals achievable and to offer you only the best fasting apps that the internet has to offer. You're not on your own - Andrew and the entire family of reviewers at are here with you every step of the way!