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A Short Guide on How to Know If Your Body is in Ketosis

A Short Guide on How to Know If Your Body is in Ketosis

Ketosis is a metabolic state that occurs when very little carbohydrate energy is available, and the body is forced to rely on fat for energy.

Ketosis is the result of following a ketogenic diet. If you're following a keto diet and wondering how to tell if you're in ketosis, you're at the right place. A keto diet is a low-carb, high-fat diet that puts your body into a metabolic state called ketosis. In other words, when you're in ketosis, your body is using your fat as fuel. And this is exactly what you want to happen when you're following a keto diet.

Of course, all of that is easier to understand on paper. But to truly reap the benefits of such a diet, you need to know when your body is in ketosis. This will help you know your body more and develop better habits.

Today, let's find out how you can tell if your body has reached a state of ketosis. Here's what you need to know:

The Top Signs of Ketosis

Bad Breath

Many people report an increase in bad breath when on a keto diet. This is usually due to the increased hydrogen migration, causing a change in the way you and others perceive your breath. Some people find that their breath is much less smelly after becoming keto-adapted, but others can experience slightly more intense or offensive smells.


Many people experience extreme fatigue during the first few weeks of the keto diet. This is mainly due to the body adapting to the new diet and is also a symptom of restrictive eating.

Some people experience this fatigue more severely than others; while others may feel general tiredness, others can experience something closer to "brain fog." Although this may be uncomfortable to deal with initially, you should know that it's just temporary. Once your body has become keto-adapted, you will be less tired.

Sleep Changes

Many people struggle to sleep during the first few weeks of the keto diet. This is because the body is getting rid of the glycogen stores it relied on for energy. Therefore, you may find it more challenging to sleep, and it may be harder to stay asleep. The good news is that this is a temporary effect, and after the first few weeks, you will most likely find that you get a lot more sleep.

Decrease in Appetite

Many people experience a decrease in appetite when following a keto diet. If you're worried that you're not eating enough, you don't need to be. Most people eat more on a keto diet, but they don't "feel" like they are filling up.

This is mainly due to a part of the brain called the hypothalamus. This part of the brain signals the body to eat or stop eating. When on a keto diet, this signal begins to favour the former. Therefore, you will feel less hungry while on a keto diet. It sounds like a dream, but it's true.

The Bottom Line

If you want to get the most out of your keto diet, you need to make sure that your body is in a state of ketosis. Since your body is forced to use fat instead of glucose, you lose weight very quickly without having to starve yourself of carbs. This is in contrast to a low-fat diet or a low-carb diet, where you need to eat less to lose weight.

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