The benefits of keto include high levels of success in various use cases, like; fat-loss, improving athletic performance, and improving mental focus and energy, and as part of a therapeutic program for certain diseases. In this post, I am going to focus primarily on how the Keto Diet can improve productivity, and mental performance as well as how Keto helps with diseases such as epilepsy, inflammation, Alzheimer’s, cancer, depression, and migraines.

Before we get started on the benefits of the Keto Diet on mental performance and disease prevention, let’s quickly cover the basics… What is Ketosis?

What Is Ketosis?


Ketosis, The Ketogenic Diet and Ketones might be trendy right now, but it is not new. Being in ketosis is a normal metabolic state our bodies can be. While it is true that we use carbs as an energy source, it is also true and even more beneficial, to use ketones as energy. 

Ketosis is a normal metabolic state we can be in when we restrict or limit our carbohydrate intake.

Ketones are the by-products or replacement energy source the body makes in the place of carbs.  You could think of it as a “fail-safe mechanism” for the body so that there is always energy available for your brain and organs to function.

Imagine a time of starvation or food scarcity. We tend to think that we will fall over and die if we go without food for a while. Thankfully, we don’t just diet if we stop eating for a couple of hours. The body i is actually pretty amazing and will produce the energy it needs to survive by producing ketones.

Although being in ketosis is a perfectly normal state of metabolism, we rarely experience being in ketosis because we eat carbohydrate-rich diets, and we eat too often.

Understanding ketosis and ketones is a very complex subject and you can read up on more articles here and here. For now, let’s look at some of the benefits of being in ketosis.

Mental Improvements


One of the immediate benefits people experience is mental clarity. It is almost as if a foggy cloud is lifted. Research shows that ketones are the preferential energy for your brain. In fact, 75% of your brain prefers using ketones. There is a small amount of glucose needed for specific areas of the brain, but your body takes care of this through a process called gluconeogenesis. So, when someone says “your brain can only use glucose”, they need to check again.

New evidence suggests that a keto diet can have benefits for productivity and mental performance as well as improving memory and mild cognitive impairment.

When you rely on glucose as your energy source and don’t refuel every few hours, it can lead to a lack of mental clarity or foggy brain where you struggle to stay focused. This dip in energy and foggy brain feeling is due to the spikes and crashes in blood sugar. 

Mental Focus

Many high-performing executives are choosing to follow a ketogenic diet because of the mental clarity and alertness they experience from being in Ketosis. With increased energy levels, mental focus, they feel they can perform better and accomplish more. The fact that a ketogenic diet also leads to Intermittent Fasting frees up some of their time that would generally be required to eat.


Ketones provide a sustained and more efficient form of energy that increases mental clarity and focus.

Longevity and Disease Prevention


It is believed that ketone bodies (BHB) is an “anti-ageing” compound and therefore calorie restriction, which ultimately lead to being in Ketosis, leads to lifespan extension. As we age, our bodies deteriorate. There are many other applications and benefits for following a Ketogenic Diet other than weight loss and performance enhancement. The unique ability of ketone bodies to supply energy to the brain during periods of impaired glucose metabolism makes Ketosis an effective treatment for several neurological conditions.

Better glucose uptake and more ketones make the ketogenic diet a promising new way to help improve disease symptoms and maybe even prevent various diseases.


Here are some of the potential therapeutic applications that researchers are excited about:


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