Tag: ketones

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What is the Ketogenic Diet?

The ketogenic diet is a type of low-carb diet in which carb consumption is reduced enough so that the body can start making and utilizing ketones. As mentioned in a previous post, ketones (special energy molecules) are a by-product of body fat that is tapped into if we fast or if we limit our carb intake to a bare minimum. The body’s stored fat and the healthy fats consumed during the day (along with reasonable protein intake) become the main fuel source on a ketogenic diet, as opposed to getting glucose from carbohydrates for energy. Eating keto means eating mostly (well-sourced) meat, fish, eggs, certain vegetables, nuts and seeds, little fruit, and healthy oils.

If you’re wondering what type of meals one may be eating on a ketogenic diet, here are a few examples for breakfast, lunch, and dinner (as described in Keto for Life, by Mark Sisson and Brad Kearns).

Breakfast

  • Fasting with water, tea, or coffee
  • High-fat coffee or other beverage
  • Omelet with pastured eggs, vegetables, cheese, avocado, bacon, salsa
  • Hard-boiled egg bowl with walnuts, sun-dried tomatoes, avocado, and avocado oil-based mayonnaise
  • Full-fat yogurt with nuts, cinnamon, and cacao nibs
  • Bone broth with egg yolks

Lunch

  • Fasting after one of the above breakfast options
  • Salad with vegetables, nuts and seeds, well-sourced protein, and healthy oil dressing
  • Salad made with sauerkraut or kimchi

Dinner

  • Grass-fed beef, bone-in cuts
  • Organ meats 
  • Whole chicken or turkey
  • Wild-caught fish
  • Vegetables (mostly above-ground vegetables like cruciferous and leafy green vegetables, as opposed to starchy tubers): steamed, baked, or pan-fried, with plenty of healthy fats (butter, lard, coconut oil, avocado oil)

In Summary

As you can see, there are options abound on keto too! Limiting carbs doesn’t mean depriving yourself of delicious meals or snacks. For more ideas and recipes, you can visit Mark’s Daily Apple. Eating keto can have many benefits, as stated in Keto Answers, by Dr. Anthony Gustin and Chris Irvin: more energy, improved brain health/function, fat loss, improved insulin sensitivity, lowered inflammation, improved blood sugar control, improved mood, etc. Make sure you check with your physician first if you decide to start eating keto. As mentioned in My Paleo/Primal Eating Habits article, I like to stay in mild ketosis during the day and refeed with some healthy carbs at the end of the day. I enjoy the extra energy I get by eating that way. See what works for you!

Until next time!

References

Gustin, Anthony, and Chris Irvin. Keto Answers : Simplifying Everything You Need to Know about the World’s Most Confusing Diet. Middletown, De, Four Pillar Health, 2019, pp. 3-10.

Sisson, Mark, and Brad Kearns. Keto for Life:  Reset Your Biological Clock in 21 Days and Optimize Your Diet for Longevity. New York, Random House, 2019, p. 72, 82.

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As I have mentioned previously about the state of being in mild ketosis during the day, which implies the use of ketones, now might be a good time to further explain what the use of ketones to fuel our energy levels really means, as opposed to being traditional “sugar burners.” First, a couple of quick, simple definitions to help you understand this topic better:

Glucose = A type of sugar, main source of energy for most people

Insulin = A chemical excreted by the pancreas to transport sugar into the body’s tissues

Ketone bodies = A type of energy source produced in the liver as a by-product of fat metabolism

A traditional “sugar burner” is mostly fueled by the glucose provided from any carbs eaten. When we eat, the hormone insulin kicks in to dispose of the nutrients, which are now in the blood, and send them wherever they are needed. If we eat too many carbs (healthy or not), quickly after a spike of energy, we feel tired because (among other things) a lot of insulin has to be produced to dispose of this excess sugar. Ever wonder why you felt like taking a nap after that lunch you had? That’s the spike of insulin talking. If we are “sugar burners,” we have those ups and downs on a regular basis throughout the day.

Now if we start to consume more healthy fats throughout the day and limit our carb intake, we don’t have to deal with all those ups and downs that excess sugar and overproduction of insulin trigger. Isn’t it a nice thing not to feel like taking a nap after lunch, especially when we can’t? Healthy fats keep us more satiated for longer periods of time.

So we have the healthy fats that we consume and we have the ketone bodies, both to fuel our energy levels in a more linear fashion when we become fat-adapted. Eating healthy fats means consuming foods like avocados, olives, nut butters, certain oily fish,  grass-fed butter or ghee, coconut oil, MCT (medium-chain triglycerides) oils, extra-virgin olive oil, and avocado oil.

Ketones are a by-product of body fat that is tapped into if we fast or if we limit our carb intake to a bare minimum. If we are keto-adapted, we can use those ketones (we are in ketosis) but, if we are “sugar burners,” those ketones are close to useless. MCT oils are the only oils that also increase ketones in the body, such as the Brain Octane oil I blend in my coffee. MCT oils are processed right away by the liver, so a surge of energy can be felt pretty much immediately, especially if consuming C8 MCT oil. This is another way to increase ketones in the body and reach a state of mild ketosis without literally having to fast.

Being able to utilize ketones as fuel to power ourselves each day is an awesome tool at our disposition to better our lives.

References

“Ketosis Is the Mostest.” Head Strong: the Bulletproof Plan to Activate Untapped Brain Energy to Work Smarter and Think Faster-in Just Two Weeks, by Dave Asprey, Harper Collins, 2017, pp. 98-105.

The Primal Blueprint: 21-Day Total Body Transformation, by Mark Sisson, Primal Blueprint Publishing, 2016.

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