The ketogenic diet has been found to have a positive impact on several neurological conditions, including epilepsy and Alzheimer's disease. But can it help with attention deficit hyperactivity disorder (ADHD)?
ADHD is a behavioural disorder that impairs executive functioning, such as the ability to focus, think before acting, and resist temptation. The primary symptoms are inattentiveness, hyperactivity, and impulsiveness.
There is limited research on the link between the ketogenic diet and ADHD, but some studies suggest that it may help reduce symptoms. For example, a 2018 study found that a ketogenic diet could enhance large-scale network function across the brain, which is critical for higher levels of cognition. Another study found that a ketogenic diet could positively impact neurotransmitter activity, particularly dopamine and serotonin, which may support a decrease in hyperactivity and impulsivity associated with ADHD.
The ketogenic diet may also help manage ADHD by restricting sugar and additives/preservatives, which some research suggests can worsen symptoms.
While the direct connection between the ketogenic diet and ADHD lacks evidence, several components of the keto diet may help improve the symptoms of ADHD.
Characteristics | Values |
---|---|
Type of diet | Low-carb, high-fat |
Effectiveness for ADHD | Early indications suggest it may reduce some symptoms |
Carbohydrate intake | 5-10% |
Fat intake | 70-80% |
Protein intake | 10-20% |
Foods to avoid | Sweets, rice, grains, white potatoes, milk, beans, most fruits |
Foods to eat | Cheese, cream, meat, eggs, fish, nuts, seeds, vegetables, fruits with low glycemic index |
Downsides | "Keto flu", kidney stones, restrictive, may impact child's growth and health |
Other treatments | Yoga, omega-3 supplements |
What You'll Learn
The keto diet may improve focus and cognitive function in people with ADHD
The ketogenic diet has been found to have a positive impact on several neurological conditions, and it may be able to help treat attention deficit hyperactivity disorder (ADHD). ADHD is a behavioural disorder that impairs executive functioning, such as the ability to focus, think before acting, and resist temptation. The primary symptoms of ADHD are inattentiveness, hyperactivity, and impulsiveness.
The exact cause of ADHD is still uncertain, however, a combination of genetic and environmental factors are thought to play a big part. Research has shown that those who have ADHD are more likely to have it in their family line. For example, one or both parents could have it without being diagnosed.
There is limited research on the link between the ketogenic diet and ADHD, however, there are some indications that it may be able to help reduce symptoms. The ketogenic diet eliminates spikes and dips in blood sugar, which supports stable energy and associated mental clarity and focus. This stable energy, increased focus, and improved high-level cognitive function are all particularly beneficial for people with ADHD.
The keto diet also positively impacts neurotransmitter activity, particularly dopamine and serotonin. This may support a decrease in hyperactivity and impulsivity commonly associated with ADHD. Boosting fats and cutting carbs optimises brain chemistry in ways that can help people with ADHD regulate behaviour and control their impulsive actions.
The ketogenic diet has also been shown to improve mitochondrial function in brain cells, which can enhance cognitive processing, memory, and overall mental functioning in ways that are especially helpful for people with ADHD.
In addition, the keto diet helps to balance serotonin levels and stabilise GABA/glutamatergic neurotransmission, which may help to stabilise mood and reduce irritability in people with ADHD.
Some research findings state that lowering sugar intake and removing additives and preservatives from the diet may help reduce the symptoms of ADHD. The ketogenic diet eliminates regular sugar, is low-carb, and discourages the use of additives and preservatives.
Overall, the ketogenic diet may be a powerful alternative approach to managing ADHD. While more research is needed, the diet's impact on blood sugar, neurotransmitters, and mitochondrial function could all contribute to improved focus and cognitive function in people with ADHD.
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It could reduce hyperactivity and impulsivity
The keto diet has been found to positively impact several neurological conditions, and there is some evidence that it may help reduce hyperactivity and impulsivity in people with ADHD.
The keto diet has a positive impact on neurotransmitter activity, particularly dopamine and serotonin. This can help reduce hyperactivity and impulsivity, which are commonly associated with ADHD. Boosting fats and cutting carbs can help optimise brain chemistry, allowing people with ADHD to regulate their behaviour and control impulsive actions.
In addition, the keto diet has been found to increase the expression of neurotransmitters such as 5-hydroxytryptamine (5-HT) and norepinephrine (NE), which are important for the nervous system and are related to the development of ADHD.
The keto diet can also help improve sleep quality in people with ADHD, who often experience sleep problems such as insomnia, restlessness, and overall poor sleep quality. The keto diet balances neurotransmitters, promotes adenosine activity, and relaxes the nervous system, all of which can improve sleep quality and lead to better daytime functioning.
While there is limited research on the direct effects of the keto diet on ADHD, the available evidence suggests that it may be a powerful tool for managing the condition and reducing hyperactivity and impulsivity.
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The diet may improve mental clarity and performance
The ketogenic diet has been found to improve mental clarity and performance in several ways. Firstly, it eliminates spikes and dips in blood sugar, which supports stable energy and the associated mental clarity and focus that many people experience on a keto diet. This stable energy is particularly beneficial for people with ADHD, who often struggle with inattention and hyperactivity.
Secondly, the keto diet has been shown to support the function of mitochondria in brain cells. Mitochondria are the energy factories within each cell, and improving their function can enhance cognitive processing, memory, and overall mental functioning. This can help people with ADHD who often have impaired executive functioning and struggle with tasks requiring mental effort.
Thirdly, the keto diet positively impacts neurotransmitter activity, particularly dopamine and serotonin. This can help regulate behaviour and control impulsive actions, which are common challenges for people with ADHD.
Fourthly, the keto diet has anti-inflammatory effects, which are relevant for people with ADHD as chronic inflammation has been linked to various neurological conditions, including ADHD.
Lastly, the keto diet has been found to improve sleep quality, which is often an issue for people with ADHD. By balancing neurotransmitters, promoting adenosine activity, and reducing inflammation and chronic pain, the keto diet can lead to better sleep and improved daytime functioning.
While there is limited research specifically on the effects of the keto diet on ADHD, the diet has been shown to improve mental clarity and performance in these ways, which could be beneficial for people with ADHD.
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It could help balance mood and emotional stability
The keto diet can help balance mood and emotional stability in people with ADHD. This is because the keto diet helps to balance serotonin levels and stabilize GABA/glutamatergic neurotransmission, which in turn may help to stabilize mood and reduce irritability in people with ADHD. GABA is an inhibitory neurotransmitter, and irregularities in GABA are associated with ADHD, autism, and the severity of ADHD symptoms.
The keto diet has also been shown to provide powerful anti-inflammatory effects, which are produced by dramatically reducing carbs and increasing healthy fats. Chronic inflammation has been linked to various neurological conditions, including ADHD.
In addition, the keto diet can improve sleep quality in people with ADHD. Studies show that a ketogenic diet balances neurotransmitters, promotes adenosine activity, and relaxes the nervous system while simultaneously reducing inflammation and chronic pain. All of these factors can improve sleep quality, leading to better daytime functioning.
The keto diet may also help to manage weight and improve overall health in people with ADHD. Metabolic syndrome and its components, including obesity, type II diabetes, insulin resistance, and leptin resistance, are common among people with ADHD. Ketogenic diets have been shown to be remarkably effective in treating and reversing metabolic syndrome.
Overall, the keto diet may be a powerful tool for managing mood and emotional stability in people with ADHD.
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The keto diet may reduce inflammation
The ketogenic diet is a high-fat, low-carbohydrate regimen that changes the way the body uses energy. By reducing the intake of carbohydrates, the body uses dietary and stored fat as an alternative source of fuel. This metabolic process is called ketosis.
The keto diet has been found to have a positive impact on several neurological conditions and may also help reduce inflammation.
How Keto May Lower Inflammation
Anti-inflammatory Ketones
Ketones are backup fuel for the brain and body. They are also anti-inflammatory signalling molecules. Ketones inhibit the NLRP3 inflammasome pathway, which researchers believe may curb a variety of inflammatory diseases.
Reduced Blood Sugar
High blood sugar is a pro-inflammatory state. Carb restriction may be one of the simplest ways to keep blood sugar low. Carbohydrates elevate blood sugar more than protein or fat. Keeping blood sugar low on keto also activates an anti-inflammatory gene called CtBP, which has been found to significantly lower brain inflammation in rats.
Less Glutamate, More GABA
Glutamate and GABA are chemicals that regulate brain activity. Too much inflammation may alter glutamate signalling and cause neurological dysfunction. In humans, keto has been shown to increase GABA levels and may suppress glutamate.
Other Health Benefits of the Keto Diet
The keto diet is popular for achieving and maintaining weight loss. Studies indicate that it may also be used to control type 2 diabetes and improve symptoms in people with mild-to-moderate Alzheimer's disease. The keto diet has also been found to reduce seizures in children with epilepsy.
Downsides of the Keto Diet
Some people who go on the keto diet initially experience headaches, fatigue, irritability, nausea, and difficulty sleeping. Developing kidney stones is another risk, especially if adequate hydration is not maintained. Limiting carbohydrates may also limit the intake of essential micronutrients, so it is important to supplement with the appropriate vitamins and minerals.
The Bottom Line
The keto diet may help reduce inflammation by lowering blood sugar, increasing anti-inflammatory ketones, and regulating glutamate and GABA levels. However, more research is needed to fully understand the long-term impacts of the keto diet.
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Frequently asked questions
Attention deficit hyperactivity disorder (ADHD) is a behavioural disorder that impairs executive functioning, such as the ability to focus, think before acting, and resist temptation. The primary symptoms of ADHD are inattentiveness, hyperactivity, and impulsiveness.
Symptoms of ADHD in children and teenagers include a bad memory and often losing things, a short attention span, constantly fidgeting, interrupting conversations, and an inability to concentrate, especially on tasks that require mental effort. In adults, some significant symptoms such as hyperactivity tend to decrease while inattentiveness may get worse due to the pressures of adult life.
ADHD is often treated with stimulant medications that act on the dopaminergic and noradrenergic pathways. The primary drugs used to treat ADHD are n-methylphenidate (MPH) and dextroamphetamine (D-AMP). Therapy is also recommended alongside medication for the best results.
The keto diet is a high-fat, low-carb way of eating. It requires cutting carbs, increasing fats, and consuming moderate protein. This triggers your liver to increase its metabolization of bodily and dietary fat into energy compounds called ketones.