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Benefits of keto diet and therapeutic ketosis for body oxygen levels

Module 11-6. Nutrients and diet for better body oxygenation

keto diet food pyramid for ketosis The ketogenic diet (definition) is a high-fat, low-carb, moderate-protein diet that is used with the purpose to use fats as the main energy source due to the metablic state called "ketosis". This diet relates to LCHF (low-carohydrate high-fat) diets.

Keto-adaptation (definition) is a transitional period that allows the body to metabolically adapt to using fats as the main fuel for the brain, heart and other tissues of the body. It usually lasts about 2-4 weeks. Keto-adaptation can be reduced to less than 1-2 days for people with 60+ s MCP and is probably present naturally for those who have 90+ s CP 24/7.

Ketosis (definition) is a metabolic state where body cells use energy supply that comes mainly from ketone bodies in the blood rather than blood glucose. Ketosis and reliance on fats as the main energy source had been the most common physiological metabolic features during evolution of human beings. Dramatic increase in consumption of grains became possible due to evolvement of agriculture to its modern aggressive forms.

Who will benefit from ketosis: overweight, type 1 and 2 diabetes, cancer, leukemia, heart disease, any neurological disorder (including epilepsy, Parkinson, Alzheimer, MS or multiple sclerosis, senile dementia, schizophrenia, and depression), any digestive disorder (including IBD or Crohn's disease and ulcerative colitis, gastritis, IBS, liver cirrhosis, and hepatitis), any respiratory problem (asthma, bronchitis, COPD, emphysema, etc.) and any other inflammatory condition - or about 90% of overall population.

If we measure the total amount of glucose in human blood, it would be about 5-10 g or only 1-2 teaspoons. When eating an ordinary meal, a person often consumes 10-30 times more carbs than present in blood. Since high blood sugar has toxic effects, insulin increase prevents excessive increase in blood glucose levels by driving glucose from the blood into cells. Thus, carb-based diets require insulin secretion, while fats have a different metabolic pathway to be used as an energy source. Are there differences for these two main types of energy sources?

Physiogical and metabolic benefits of ketosis

Fats vs. carbs: effects on oxidative damage and inflammation

In one study (Forsythe et al, 2008), scientists measured 14 different inflammatory markers for low fat and low carbohydrate diets. The blood levels of all 14 inflammatory markers was lower for low carbohydrate diet in comparison with low fat diet. In conclusions, authors wrote, "In summary, a very low carbohydrate diet resulted in profound alterations in fatty acid composition and reduced inflammation compared to a low fat diet."

Several other studies (Beisswenger et al, 2001; Mohanty et al, 2000; Toma etal, 2009) discovered that, for diets based on carbohydrates, the degree of oxidative stress and generation of ROS (reactive oxygen species) relates to and/or was proportional to increases in blood sugar and blood insulin levels.

On the other hand, ketone bodies provide protective effects for mitochondria, reduce oxidative stress in the brain and blood levels of free radicals (Kim et al, 2007; Maalouf et al, 2007; McPherson et al, 2012; Noh et al, 2006).

In simple terms, we can conclude that, in spite of decades of mass media propaganda related to badness of fats, animal fats, and cholesterol in food, natural dietary fats are sources of cleaner fuel for the human body in comparison with carbohydrates.

Vasodilatory effects of ketones

While carbon dioxide and nitric oxide are known potent vasodilators, ketone bodies, as it was discovered in 1996, are also able to increase global CBF (cerebral blood flow) by 39% (Hasselbalch et al, 1996) at blood ketone levels that are common in a state of ketosis. A decade later, the same team of scientists tried to explain the mechanism of vasodilation wrote, "These observations indicate that the mechanism responsible for the increase in CBF is rather a direct effect on the cerebral endothelium than via some metabolic interactions." (Linde et al, 2006).

In other words, ketone bodies dilate blood vessels making you smarter.

Total body fat vs. total body glycose (glycogen) in kcal

When the human diet is based mainly on carbs, their presence suppresses fat metabolism and the body is unable to effectively use its own fat reserves. As a result, the blood levels of ketones for ordinary diets is very low: about 0.1-0.3 mmol/l.

Eating coconut oil or MCT oil can increase blood ketones up to 0.5 mmol/l for some hours after a meal. After days of fasting, the human organism gradually adopts to burning fats as the main energy source leading to up to 3-10 mmol/l for blood ketone levels. Similar levels for blood ketones can be achieved in ketosis due to voluntary restrictions of dietary carbohydrates.

After a transition to ketosis, the human organism relies on ketones as the main energy source for the brain and heart, as well as during mild, moderate and even intensive exercise (for later stages of keto-adaptation).

truck represents total body fat vs. total body glycogen stores in kcal

Since carbs suppress access to using body fats, ketosis allows a person to achieve direct access to his/her main energy resource 24/7. Thus, while an ordinary person has only about 2,000 kcal stored as glycogen, the fat reserves are about 50 times larger or around 100,000 kcal for an adult male. whole-body glycogen stores last only for about 2 hours of maximum intensity exercise (or 1 day), with ketosis, one is linked to his/her main energy supply.

To which energy store would you like to stay connected? To answer this question, let us look at advantages of ketosis.

Breathing and lifestyle benefits of ketosis

More control over daily planning

Ketosis, even for people with 15-25 s CP, means freedom to plan and do breathing sessions and physical exercises whenever they want or as the top priorities while meals can be skipped or moved to other parts of the day.

For example, with around 15-25 s for the morning CP, most people have only about 1-1.5 hours before they need to eat breakfast after they wake up in the morning. This often implies hard choices between breathing sessions and physical exercise that are to be done before the breakfast. Trying to skip or postpone the breakfast commonly causes symptoms of light or mild hypoglycemia (low energy, grumpiness, loss of concentration, etc.). Some people can experience more serious hypoglycemia with less than 3.0 mmol/L (60 mg/dL) for blood glucose levels often cauisng sweating, palpitations, and headache for the rest of the day. Similar effects take place when one tries to skip or postpone a lunch or supper. In other words, a person eating large amounts of carbs needs to plan his or her day around meals (i.e., meals play the central role in one's daily schedule). This is because the diet that is metabolically based on carbohydrates generally requires regular eating due to very limited stores of carbs in the human body and inability of the human body to quickly switch to using body fats as the main energy source.

True ketosis (over 1, preferrably over 2 or 3 mmol/l for blood ketone levels) makes skipping breakfast and other meals easy. Note that, when someone has 60+ for the morning CP, it is relatively easy to skip a meal without any dramatic effects. Ketosis allows similar skipping of the meal at much lower CP values (down to 10-20 s MCP).

Reduction in total digestion time

It is noticed that keto diets, while providing the same amounts of calories and proteins, reduce total time that is required for digestion per day. Therefore, a breathing student in ketosis is going to have more time for practicing breathing exercises and doing physical activity.

A smaller CP drop after meals

Keto or low carb diets cause smaller drop in the CP in comparison with ordinary (high carb) diets. This increases average CP value providing easier breathing and better next morning CP.

More stable mood and better thermoregulation throughout the day

Fluctuations in blood glucose levels, when having high carb diets, cause fluctuations in mind states, mental clarity, feeling of energy and other mental, psychological, and neurological parameters. Ketosis removes these fluctuations allowing more stable mood throughout the day. In other words, feeling high and low depending on blood sugar and meals are common for high carb diets. Keto-adaptation gradually smooths or level out these changes.

A similar effect relates to thermoregulation. Did you notice that, for slower breathing and feeling slightly cold (as it is required at 20+ s CP), makes a breathing student adjust his/her clothing and/or surrounding temperature many times per day. Before meals, most people on carb diets feel colder. After meals, feeling warmer is also common. Ketosis flattens these fluctuations as well.

Easier overall breathing retraining and CP progress

All these beneficial effects of ketosis allow breathing students to progress faster and reduce their symptoms/medication sooner in comparison with ordinary high-carb or medium-carb diets.

Even when stuck with the CP progress, the benificial effects of ketosis include less symptoms for nearly all common conditions, more energy, better mood, focus, concentration, fitness, and other types of performance.

How do I know that I am in ketosis?

Your blood ketone levels are from 1 up to 4-5 mmol/l. If you do not measure blood ketones, there are other criteria of ketosis that do not require equipment to measure something. These criteria are provided right below here as your bonus content. The bonus content also lists some crucial supplements that will help you to make the transition to ketosis or keto-adaptation easier.

Tweet or Share this page to reveal the bonus content.

The original idea to combine therapeutic ketosis with breathing retraining was suggested by Buteyko breathing teacher Misha Sakharoff, Denmark ( This is possibly the most effective single addition and contribution to the Buteyko method and breathing retraining during last few years.

Resources about keto diet and ketosis

Professor Jeff Volek, PhD, RD, teaches and leads a research team at The Ohio State University: The Many Facets of Keto-Adaptation: Health, Performance, and Beyond

More resources can be found here: Keto diet resources.

- Beisswenger PJ, Howell SK, O’Dell RM, Wood ME, Touchette AD, Szwergold BS, alpha-Dicarbonyls increase in the postprandial period and reflect the degree of hyperglycemiaDiabetes Care. 2001; Apr 24(4): p. 726-32.
- Forsythe CE, Phinney SD, Fernandez ML, Quann EE, Wood RJ, Bibus DM, Kraemer WJ, Feinman RD, Volek JS, Comparison of low fat and low carbohydrate diets on circulating fatty acid composition and markers of inflammation, Lipids. 2008 Jan; 43(1): p. 65-77.
- Hasselbalch SG1, Madsen PL, Hageman LP, Olsen KS, Justesen N, Holm S, Paulson OB, Changes in cerebral blood flow and carbohydrate metabolism during acute hyperketonemia, Am J Physiol. 1996 May; 270(5 Pt 1): p. E746-51.
- Kim do Y, Davis LM, Sullivan PG, Maalouf M, Simeone TA, van Brederode J, Rho JM, Ketone bodies are protective against oxidative stress in neocortical neurons, J Neurochem. 2007 Jun; 101(5): p. 1316-26.
- Linde R1, Hasselbalch SG, Topp S, Paulson OB, Madsen PL, Global cerebral blood flow and metabolism during acute hyperketonemia in the awake and anesthetized rat, J Cereb Blood Flow Metab. 2006 Feb; 26(2): p. 170-80.
- Maalouf M, Sullivan PG, Davis L, Kim DY, Rho JM, Ketones inhibit mitochondrial production of reactive oxygen species production following glutamate excitotoxicity by increasing NADH oxidation, Neuroscience. 2007; Mar 2; 145(1): p. 256-64.
- McPherson PA, McEneny J, The biochemistry of ketogenesis and its role in weight management, neurological disease and oxidative stress, J Physiol Biochem. 2012 Mar; 68(1): p. 141-51.
- Mohanty P, Hamouda W, Garg R, Aljada A, Ghanim H, Dandona P, Glucose challenge stimulates reactive oxygen species (ROS) generation by leucocytes Glucose challenge stimulates reactive oxygen species (ROS) generation by leucocytes. J Clin Endocrinol Metab. 2000: Aug; 85(8): p. 2970-3.
- Noh HS, Hah YS, Nilufar R, Han J, Bong JH, Kang SS, Cho GJ, Choi WS, Acetoacetate protects neuronal cells from oxidative glutamate toxicity, J Neurosci Res. 2006 Mar; 83(4): p. 702-9.
- Stafford P, Abdelwahab MG, Kim do Y, Preul MC, Rho JM, Scheck AC, The ketogenic diet reverses gene expression patterns and reduces reactive oxygen species levels when used as an adjuvant therapy for glioma, Nutrition Metabolism (Lond), 2010 Sep 10; 7: p. 74.
- Toma L, Stancu CS, Botez GM, Sima AV, Simionescu M, Irreversibly glycated LDL induce oxida- tive and inflammatory state in human endothelial cells; added effect of high glucose, Biochem Biophys Res Commun. 2009 Dec 18; 390(3): p. 877-82.

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