There are two sources of fuel for the human body: glucose and fatty acids. Fat is an energy that can be stored in excess in the body, leading to weight gain. Learning to efficiently access this fat for energy — instead of accessing glucose — is key for weight loss. This idea is the basis for the ketogenic diet, which has grown in popularity over the past few years.
Prior to the advent of effective anti-seizure and diabetic medications, the ketogenic diet (a high- fat, moderate-protein, and low-simple-carbohydrate/sugar diet) was the approach doctors used with patients to not only prevent seizure attacks but also to control type 2 diabetes. Today, we are once again realizing the health benefits of reducing simple carbohydrates and total sugars in our diets — for a wider population.
https://jvz7.com/c/1669241/307026I personally have seen patients with the following conditions benefit from a ketogenic diet. There are scientific studies to support my observations.
- High blood pressure
- Diabetes, both type 1 and type 2
- Elevated inflammation (elevated CRP)
- High cholesterol, high triglycerides, and low HDL (good) cholesterol
- Obstructive sleep apnea
- Overweight and obesity
- Inflammatory bowel disease
- Seizure disorder
- Migraine headaches
- Alzheimer’s disease
- Parkinson’s disease
NOTE: It is important to differentiate nutritional ketosis from ketoacidosis. In nutritional ketosis, a person’s blood ketone levels reach therapeutic levels while glucose and insulin levels are normal. This is what occurs in the keto diet. Here
In diabetic ketoacidosis, ketone blood levels are 10 times higher than desired while glucose levels are severely elevated while insulin levels are insufficient. This can be life-threatening.
https://jvz7.com/c/1669241/307026What Is The Keto Diet?
The ketogenic diet, popularly referred to as the Keto diet, is an eating regimen that is high in healthy fats, moderate in protein, and low in carbohydrates. The diet is based on the idea that when the intake of simple carbohydrates and/or sugar is reduced to less than 30-50 grams per day for more than a few days, the body will start to convert fat to ketones, which are then used by the body for energy.
Personally, I recommend a lot of green leafy vegetables while practicing keto. Since they are low in calories, they can comprise up to a quarter of your food intake, while only accounting for five percent of your calories. For example, two servings of spinach contain only 20 calories.
Traditionally, the keto diet is defined as a diet where foods are consumed in the following ratios:
- 60-70% of daily calories are from fats (avocado, fish, nuts, chia seeds, flax seeds, cheese, MCT oil, etc.)
- 20-25% of calories are from protein (meat, fish, chicken, nuts, green leafy vegetables)
- 5% of calories from carbohydrates (strawberries, blueberries, cherries, coconut, green leafy vegetables, almond flour, etc.).
Benefits of the Keto Diet
According to Jimmy Moore, author of Keto Clarity, many experience the following benefits while on a keto diet:
- Hunger and appetite control
- Mental clarity
- Weight loss
- Improved sleep
- Stabilized blood sugar and improved insulin sensitivity
- Lowered blood pressure
- Improved energy
- Reduced heartburn
- Improved immune system and slowed biological aging
- Improved memory
- Improved skin conditions
- Decreased anxiety
- Improved self-discipline
What Are Macronutrients?
While vitamins and minerals are considered micronutrients, all foods are composed of the three macronutrients, sometimes referred to as “macros” for short:
- Carbohydrates
- Fats
- Protein
Carbohydrates are the first macronutrient and can be considered either simple or complex.
Simple Carbohydrates: Simple carbohydrates are made of shorter chains of sugar, compared to complex carbohydrates. When digested, they are more easily absorbed in the gut and, as a result, raise the blood sugar more rapidly than complex carbs. Eating simple carbohydrates also causes the body to release more insulin when compared to complex carbohydrates, leading to weight gain.
Consuming simple carbohydrates often leaves a person feeling hungry shortly after eating, resulting in the craving of more simple carbohydrates.
Examples of simple carbohydrates that do not follow the keto diet:
https://amzn.to/381f9Lqhttps://amzn.to/3bLa7U8- Bread
- Cakes
- Rice
- Tortillas
- Pastries
- High-sugar Fruits
Complex Carbohydrates: Complex carbohydrates are made of long chains of sugars than simple carbohydrates. Because of this, they take longer to digest and do not raise blood sugar as quickly as simple carbs do. This means they have a lower glycemic index, and they allow the body to feel fuller longer than simple carbohydrates. A ketogenic diet allows for the consumption of most complex carbohydrates without limit. However, beans and peas, while complex carbohydrates are not allowed on a ketogenic diet.
Examples of complex carbohydrates:
- Cabbage
- Brussel Sprouts
- Broccoli
- Kale
- Lettuce
- Onions
- Spinach
Fats: Fat is the second macronutrient. Those on a keto diet should consume 60-70 percent of their calories in the form of fat. Contrary to common belief, not all fats in foods are bad — when more healthy fats are consumed, the body becomes more efficient in burning fat. In addition, many doctors, myself included, believe that eating fat does not necessarily make one fat. Eating sugar seems to be a bigger culprit.
Fat plays an important role in the body’s overall metabolism. However, some fats have been labeled “good fats,” while others have been labeled “bad fats”. In recent years, the dangers of saturated fats, often considered a “bad fat”, have been called into question.
Examples of fats:
- Avocados
- Macadamia Butter
Proteins: The third macronutrient is protein. Proteins, which are composed of and broken down into amino acids, are essential nutrients that play an important role in the body. The basis for hair, nails, enzymes, and hormones, proteins are also important building blocks of bone, cartilage, tendons, muscle, and skin.
Examples of protein:
https://amzn.to/3q5WX9Ghttps://amzn.to/37XFLgc- Dairy
- Beef
- Chicken
- Seafood
- Green Leafy Vegetables
Sugar is The Problem
Most of us rely solely on sugar, or glucose, for energy. It can be consumed when we eat foods high in sugar or rich in simple carbohydrates. Because simple carbohydrates break down into glucose, when we consume more glucose than our bodies can burn, our body will store the excess sugar, which will eventually become fat. Contrary to popular belief, not all fruits are equal, and eating high-sugar fruits regularly can also be problematic for those who need to limit their sugar intake.
Two hundred years ago, the average person consumed seven pounds (3.2 kg) of sugar per year. By 2020, that average has skyrocketed to between 100 and 120 pounds (47 -55 kg) per year.
The excessive intake of sugar almost certainly explains the disease trends we see around the world, which include obesity, high cholesterol, diabetes, sleep apnea, high blood pressure, and other chronic diseases.
How Does The Ketogenic Diet Work?
Ketosis occurs when fat tissue is broken down into free fatty acids. These fatty acids are then transported to the liver, where they will be converted into ketones, molecules that act as an alternative fuel source. The main ketones are beta-hydroxybutyrate, acetoacetate, and acetone.
I frequently explain to patients that ketones are like high-octane fuel for the body. They are a “cleaner-burning” fuel that both the brain and the rest the body can utilize when sugar intake is reduced. The use of ketones for fuel, as opposed to sugar, also results in less oxidative damage to cells of the body.
Ketosis can mean a lot of things to a lot of people. The ketosis diet that I subscribe to is rich in servings of green leafy vegetables and includes healthy fats, seafood, meat, chicken, eggs, cheese, nuts, and seeds. As with almost anything, moderation is key! Typically avoided are sweets, sugars, bread, rice, tortillas, potatoes, beans, and other processed foods. Fortunately, there are great-tasting keto snacks and keto bars which make this easier.
While the ketogenic diet may not be for everybody, it can be a great alternative for those who have not succeeded in controlling their weight or diabetes using other low-calorie diets.
Many who are carbohydrate sensitive (or insulin resistant) and have trouble controlling their blood sugar levels have also seen significant benefits when going on a low-carbohydrate, high- healthy-fat diet.
I personally went on the keto diet back in the summer of 2017. At that point, I had reached my peak weight of 247 pounds (112 kg). Although I am six feet, three inches tall, that weight was still uncomfortable for me — my clothes were not fitting correctly and sleep was not refreshing. In addition, my knees and back were hurting despite no history of injury.
After 90 days of being completely committed to a low-carb lifestyle, I found myself down 30 pounds (14 kg). And I was able to accomplish all this without rigorous exercise, though after I lost the excess weight, I started working out regularly to build muscle.
This low-carb approach allowed me to lose weight that I had been trying to shed for more than 10 years. Observing my success, many patients inquired as to what I was doing, so I shared my strategy with them.
Years later, I have kept the weight off, and I’ve had dozens of patients significantly improve their blood pressure, diabetes, lose weight, and sleep better with the same approach. Several patients have even reversed their sleep apnea. I have also had many patients with type 2 diabetes be able to get off of their insulin and many who have been able to stop their diabetic medications altogether — or significantly reduce the number of medications they are taking.
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