Why Am I Feeling Exhausted on The Ketogenic Diet? Real Reasons

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People around you always sing the ketogenic diet praises, and they told you how much weight they’ve lost on this diet. You may also listen to your friends’ many success stories and how amazing they feel on the keto diet. And, they were not lying to you.

There is a point on the keto diet when each follower of keto feels tired and exhausted. They find themselves tired because of some reason. The main reason why people feel tired on the keto diet is a lack of electrolytes. This lack may lead you to the keto flu, eating few calories, and not being adapted to using fat for fuel yet. Here you will explore some reasons why people feel tired on the keto diet, so keep reading.

Signs And Symptoms That You’re in Ketosis

On the keto diet, our body undergoes many biological adaptation periods, such as reducing insulin levels and increasing fat breakdown. When this process has happened, your liver starts producing a high amount of ketones to supply energy to the brain. Therefore, it isn’t easy to know that your body is in ketosis or not. Here are some common signs of ketosis state:


  • Bad Breath

When people fully reached at ketosis level, they report bad breath. It’s a common side effect of this position. Followers of the keto diet and similar diets such as the Atkins diet often report that their breath has a fruity smell. The cause of the bad smell is elevated ketone levels. A specific culprit is an acetone, and it’s a ketone that exits from your body in your breath and urine.

Followers of the keto diet may need to brush their teeth two or three times a day. They can use sugar-free gum to get a fresh breath. Check the label for carbs before using sugar-free gums and sugar-free drinks.

  • Weight Loss

The Keto diet, along with the other regular low-carb diets, is proved effective for weight loss. Many studies show that you will experience long and short-term weight loss when you switch to the keto diet. While the first week on keto fast weight loss process occurs. Some people believe that this to be fat loss. It’s primarily short the carbs and water being used up.

  • Appetite Suppression

While following the keto diet, many people report decreased appetite. The reason behind why this happens is still investigated. Therefore, it is suggested that this reduced appetite is because of increased protein and vegetable intake. And along with the alternations to your body’s hunger hormones. Ketones themselves also affect your brain to suppress your appetite.

Few more signs are:

  • Increased ketones in the blood
  • It can Increase the ketones in breath and urine
  • Increased focus and energy
  • Short-term fatigue
  • Short-term decreases in performance
  • Digestive issues
  • Insomnia

tired on keto

Why You Are Tired on Keto? Reasons

Here are some things that are relatively easy to address. You should expect some tiredness and hunger during fat loss diet. So, you should not have to slog the whole day or daydream about the food every waking second. Energy levels are a huge indicator of health and longevity. And, the lack of these things makes people exhausted and tired on the ketogenic diet.

Energy levels are very important when it comes to making good choices, exercise, sleep, and work output. All of these things are much more difficult if you are suffering from low levels of energy. In the start phase of the ketogenic diet, there is a period of adaptation that must have take place.

So, in this period body start burning fat for fuel instead of glucose and carbs to get ketones. But this adaptation period is difficult for every person. It may take some time, a few weeks, before energy and markers are back and usually higher than the normal energy levels.

While this adaptation period, your body’s oxidation level increased, and carbohydrate oxidation level will automatically fall. Because of this reason, it’s not uncommon to get the experience of fatigue and other signs of an energy shortage. You may feel different adaptation periods at the start of the keto diet. Here are some reasons why you feel tired on the keto diet.

  • Keto Flu

You may feel the keto flu within 2 to 3 days when you start a ketogenic diet. While this flu, you will feel that if you are coming down but don’t know what is going on. Although every keto dieter must suffer from the keto flu in the start, so you are not alone who has this flu.

During the keto flu, you feel some symptoms of keto flu, including fatigue, irritability, headache, nausea, dizziness, and brain fog. These symptoms may last for 1 to 3 weeks, but you can avoid them by following some tips.

  • Keto Diet is Too Low in Calories

At this point, you need to do some exercise patience and not fall for what you are seeing on social media and expecting the perfect results as other people. As more fat you lose, the higher you can generally go, but when you reached the last few pounds of weight, you should expect to slower to minimize the muscle loss. Sometimes you did not mean to eat so little, and the keto diet can significantly reduce hunger.

  • Keto Adaptation Period

Regardless of what you do, your brain and body must have to go through this adaptation period. It’s a period that is also known as the keto-adaptation and fat-adaptation period. Also, this period stays for just 1 to 3 weeks for most people regardless of whatever preventive measures you may take. Therefore, some people feel fine, and few people may feel low energy during this time period. The best thing you can do to avoid this situation is to follow some tips.

Tips For Battling Fatigue on Keto

It is proved that the keto diet is the most effective weight loss diet. But there is a lot more than just weight loss in this diet. Some scientific evidence shows that keto can support neurological, cardiovascular, metabolic, and cellular health. You may feel tired on the keto diet, and then you probably wonder if you are doing something wrong. You can try these tips one at a time to troubleshoot the fatigue on keto.

  • Eat More Calories

If you tried a low-calorie diet before in the past, you might bring them with the wrong mindset to keto. Some evidence shows that people burn fat and lose weight on this diet without counting and intentionally restricting the calories. Even if your goal is weight loss, you can eat more calories to boost your energy levels and fight fatigue.

  • Eat More Fat

While on the keto diet, the huge amount of energy your body uses comes from fat calories. Like the unhealthy low-calorie mildest, the beginners may bring a fat-phobic perspective on keto. Naturally, with insufficient fuel in the shape of fat, you may be going to feel fatigued on the keto.

  • Eat Regularly

Expect your fat and calorie intakes; your schedule of meals can also affect your levels of energy. Beginners of the keto diet, who are not fully adapted, eating regularly may be an excellent way to avoid fatigue. It’s best to get them plenty of energy for your brain and body.

  • Check Your Carb Intake

As keto diet is a low-carb diet but it really doesn’t mean that you have to eat zero-carb foods. For some people the right amount of carbs in between 30 to 50 grams of net carbs in a whole day. First, check your ketone levels daily to make sure that you are actually in ketosis. So, if you are not in ketosis then lowering the intake of carbs may address the fatigue.

  • Move Your Body

Keto diet is the best diet that helps in weight loss, but you still need to do regular exercise for optimal weight loss and general health purposes. So when you pass through these fatigues you become more active by following the regular easy keto exercise plan for a beginner.

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