9 Most Common Low Carb Side Effects

If you’re thinking about going low carb, you might be wondering about some of the potential side effects. After all, any time you make a change to your diet, there’s always the potential for some unwelcome surprises. Fortunately, most of the low carb side effects are relatively minor and temporary. In most cases, they can be easily managed by making a few adjustments to your diet or lifestyle.

Here are 9 of the most common low carb side effects, along with some tips on how to deal with them: 1. The dreaded keto flu 2. Low energy levels 3. Constipation 4. Bad breath 5. Brain fog 6. Insomnia 7. irritability 8. Muscle cramps 9. Depression 10. Kidney stones.

The Dreaded Keto Flu Is Part Of Low Carb Side Effects

If you’re new to the keto diet, or if you’ve been following it for a while and are experiencing some unwanted side effects, don’t worry! This article is specifically written for you. In short, the keto flu is a term used to describe the various symptoms that can occur when someone switches from their regular diet to a ketogenic one.

The first thing to know about the keto flu is that it’s common. In fact, up to 75% of people who start the keto diet will experience some sort of adverse reaction at some point during their transition.

Some of the most common symptoms of the keto flu include low energy and brain fog. These symptoms can be especially troublesome if you’re working or studying hard, as they can make it difficult to focus and concentrate.

Digestive issues also frequently occur during the keto flu. This includes problems with constipation or diarrhea, as well as stomach pain or cramps. Some people also experience episodes of heartburn or acid reflux.

Another common symptom of the keto flu is bad breath. Many people find that their breath smells unpleasant and metallic after switching to a ketogenic diet. This may be due in part to decreased levels of sodium in your bloodstream, which can cause your sweat glands to release more sulfur dioxide (a by-product of protein metabolism).

Lastly, irritability is another side effect that’s commonly reported during the keto flu phase. This may be due in part to low blood sugar levels (which often lead to feelings of tiredness and hunger), as well as inflammation caused by changes in gut flora (bacteria that live in your intestines).

Low Energy Levels – Low Carb Side Effects

If you’re trying a low carb diet, you may find that your energy levels are lower than usual. This is because your body is used to running on glucose, or blood sugar, and when you cut carbs, your body isn’t able to run as efficiently. However, this type of low carb side effects usually goes away as your body adapts to using ketones, or fat, for energy.

If you’re finding it difficult to get through the day, or if your energy levels are low all the time, it may be helpful to discuss this with your doctor. There could be a number of reasons for your low energy levels, and your doctor may be able to help you find a solution. However, in most cases there are simple things that you can do to improve your situation. For example, try eating more foods that are high in antioxidant content (like fruits and vegetables), fluids (like water), and healthy fats (like Omega-3s).


One of the most common causes of constipation is a high-fat, low-carb diet. This kind of diet lacks fiber and water, which can lead to constipation. To avoid this type of low carb side effects, eat high-fiber foods and drink plenty of water. Additionally, make sure to include enough fruits and vegetables in your diet. These foods are rich in fiber and water, which will help to keep you hydrated and healthy.

If you don’t get enough exercise, your muscles become weaker and less able to move the bowels. This can lead to constipation. To avoid this problem, try to work out at least 30 minutes a day. Additionally, make sure to eat plenty of fruits and vegetables, which are rich in fiber and water. These foods will help keep you hydrated and healthy.

Low Carb Side Effects Involves Bad Breath

Bad Breath

The ketosis process, which is usually associated with weight loss, produces a fruity smelling compound called acetone. Acetone can be found in the urine and can cause bad breath due to its chemical properties. Some people may experience dry mouth, which can lead to bad breath. Sugar alcohols, like xylitol and sorbitol, are often used as sweeteners in low carb foods and can also cause bad breath. If you’re struggling with bad breath, it’s important to check your diet for any potential causes and seek help from a healthcare professional if necessary.

There are a few things that you can do to reduce your chances of developing bad breath. First, make sure that you’re chewing your food properly. Chewing breaks down the food into smaller pieces, which helps to eliminate toxins and bacteria from your mouth. Secondly, take plenty of water everyday. This will help flush out the toxins and bacteria in your system and improve overall oral health. Finally, avoid smoking or using tobacco products, both of which can worsen bad breath.

Low Carb Side Effects Also Include Brain Fog

If you’ve been doing the low-carb thing for a while, you may have noticed that your brain isn’t quite as sharp as it used to be.

What is brain fog? It’s a general term for a set of symptoms that can include forgetfulness, difficulty concentrating, and even depression.

What causes brain fog? There are a number of possible causes, but one of the most likely is that your body isn’t getting enough glucose.

Glucose is the brain’s main source of energy. When you cut carbs, your body has to find another way to fuel your brain. This can lead to a decrease in the production of a neurotransmitter called acetylcholine.

Acetylcholine is important for memory and learning. So, when it’s not being produced in sufficient quantities, it can lead to brain fog.

There are a few other possible causes of brain fog on a low-carb diet. One is dehydration. When you’re not consuming enough carbs, your body tends to hold on to water. This can lead to dehydration, which can in turn cause brain fog.

Another possibility is that you’re not getting enough vitamins and minerals. This is especially true of B vitamins, which are essential for the nervous system.

You may also be experiencing low blood sugar levels. When blood sugar drops, it can lead to feelings of fatigue and brain fog.

So, what can you do about brain fog?

First, make sure you’re drinking enough water. Dehydration is a common cause of brain fog, so it’s important to make sure you’re staying hydrated.

Second, make sure you’re getting enough B vitamins. You can do this by taking a B-complex supplement or by eating foods that are rich in B vitamins, such as eggs, dark leafy greens, and nuts.

Third, try to stabilize your blood sugar levels. This can be done by eating small, frequent meals and avoiding processed foods and simple carbs.

If you’re still experiencing brain fog after taking these steps, it’s a good idea to talk to your doctor. He or she can help you rule out other possible causes of your symptoms and determine the best course of treatment.


It can be difficult to fall asleep, and it can be especially difficult to stay asleep for an extended period of time. This can lead to difficulty sleeping, waking up frequently during the night, feeling exhausted during the day, and carbohydrate cravings. Additionally, insomnia can lead to mood swings and brain fog. If you are experiencing any of these symptoms, speak with your doctor about possible treatments.

There are a variety of treatments for insomnia, and your doctor will decide what is best for you. Some treatments include medications, sleep therapies, stress management techniques, and lifestyle changes. Each person responds differently to different treatments, so it is important to speak with your doctor about your options. There is no one treatment that works for everyone, but together the various treatments may help you achieve better sleeping habits.

Irritability Is Part Of Low Carb Side Effects

Irritability is a common side effect of the low-carbohydrate diet. This is due to the lack of carbohydrates which can lead to a drop in blood sugar levels. Foods high in carbohydrates can help to stabilize blood sugar levels and therefore help to reduce mood swings. It is important to talk to a doctor or nutritionist before starting any kind of diet, as there are often different recommendations for different people.

The low-carbohydrate diet can also lead to a decrease in energy levels. This is due to the fact that there are fewer calories available to the body and therefore it becomes harder to exercise. It is important to keep up an active lifestyle if you want to maintain your mood and energy level. Additionally, those on the low-carbohydrate diet should be sure to include plenty of healthy sources of protein, such as fish or meat, in order to ensure that they are getting all the nutrients they need.

Muscle Cramps

Muscle Cramps

Muscle cramps are common and can be caused by a variety of things. One of the most common causes is when you reduce carb intake. When carbs are eliminated from your diet, your body starts to use more energy from other sources, such as muscle glycogen. This can cause muscles to cramped up, especially if you’re dehydrated or have electrolyte imbalances.

To help ease muscle cramps, it’s important to drink plenty of fluids and eat salt. Additionally, it’s important to get enough magnesium in your diet. Magnesium helps maintain fluid balance in the body and can help relieve muscle cramps. If cramps persist despite taking these steps, see a doctor for further evaluation.

If you experience muscle cramps, there are a few things you can do to ease the pain. Drinking plenty of fluids very important. This will help replace lost fluids and help keep your body hydrated. Additionally, salt can be helpful in relieving muscle cramps. Make sure to eat foods high in magnesium, such as leafy greens and nuts, to help maintain fluid balance in the body and relieve muscle cramps. If relief from these steps does not seem to work, it may be worth seeing a doctor for further evaluation.

Kidney stones

The low carb, high fat (LCHF) diet has become increasingly popular in recent years as people look for ways to lose weight and improve their health. Unfortunately, one of the potential side effects of this diet is kidney stones.

Kidney stones are small, hard deposits that form in the kidney when there is too much calcium or other minerals in the urine. They can be incredibly painful, and can sometimes even require surgery to remove.

There is no definitive answer as to why kidney stones are more common in people following an LCHF diet, but there are some theories. One is that the high fat content of the diet causes the body to produce more calcium, which can then lead to kidney stones.

Another theory is that the lack of carbohydrates in the diet means that the body doesn’t have enough fiber to bind to the calcium, leading to its deposits in the kidney.

Whatever the cause, kidney stones are a serious concern for anyone on an LCHF diet. If you’re experiencing pain or other symptoms, it’s important to see a doctor right away. In some cases, kidney stones can be treated with medication, but in others, surgery may be necessary.

If you’re considering an LCHF diet, it’s important to be aware of the potential risks, including kidney stones. However, with proper medical care, these risks can be minimized.


If you’re thinking about going on a low carb, the side effects might seem daunting. But don’t worry! Most of the side effects are minor and temporary, and can be easily managed with a few adjustments to your diet or lifestyle. So if you’re ready to make the switch, go for it! Your body will appreciate you in the long run.

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