Why am I Exhausted on the Keto Diet? – Keto FAQs 2021

Why am I Exhausted on the Keto Diet? – Keto FAQs 2021

The answer to the question why am i exhausted on the keto diet is in low carb flu or keto flu. However, it is said that you will not have such things in the long run and also you will experience increase In your focus as well as energy.

When you start having a low carb diet body feels difficulty in adapting to the new diet. It is also difficult for the body to burn fat as compared to carbohydrates. So, body needs to burn more fat for fuel instead of carbohydrates.

When you are reaching the state of ketosis, your brain sends the message to start burning the ketones instead of the carbohydrate glucose. To achieve ketosis it may take few days or even weeks. So, this is also the reason why most people don’t start the diet.

Ketones are the fuel source for your brain and it is also researched that to treat brain diseases and other memory loss problem you might need ketones [1].

So, when you start the keto diet you will start to experience exhaustion as well as keto flu. This is the reason behind your question that why am I exhausted on the keto diet. However other studies indicate that having ketosis for long run can increase the clarity and also improves brain functions.

Cutting off the carbohydrates can also help to control and stable the blood sugar levels of the body and it may also contribute to boost in the brain function as well as clearing brain fog.

Signs That You are In Ketosis

The signs can differ in different people however, common signs are given below

  • Bad breath
  • Weight Loss
  • Increase ketones in the body
  • Increase in ketones in the breath and urine
  • Loss of appetite
  • Increase focus and Energy
  • Keto Flu
  • Short Time Decrease in performance
  • Digestive Gut Problems
  • Insomnia

How to Prevent Exhaustion on Keto Diet?

Why am I Exhausted on the Keto Diet

If you want to know why am I exhausted on the keto diet then you may also want to know that how to prevent it. So, here are the few things that you need to know to prevent exhaustion on the keto diet.

  • Introduce your body to the keto diet gradually
  • Stay Hydrated
  • Having Good amount of fat in your diet
  • Having Dietary Electrolytes
  • Have Proper Sleep

These things are also there to help you to avoid keto flu. Everybody is different so if one person is not realizing keto flu then it does not mean that you will not have the flu. So, you need to consider that having such things mentioned above can help you to prevent exhaustion on the keto diet.

You should also know that you need to lower the amount of hard exercise in the start of the diet. Let the body adopt to the new diet then try to achieve the overall diet. There are also diets that allow you process food as well as cheating for the certain days. Such diets are called dirty keto diet.

You need to avoid such diets and include the best keto diet gradually.


Different people have different internal body system. So, it may be possible that you feel exhausted when your start the diet. So, it is common to ask question that why am I exhausted on the keto diet. However, this can be temporary and can go away with the time.

From the above article you will know that according to the research brain activities increases because of ketosis. However, if you don’t want to feel exhausted in the start you can introduce keto diet gradually.

You may not experience ketosis at once but eventually you will have the ketosis.