Keto os experts bring you information on ketones and ketosis in episode 1 of Keto 101.
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Hi, i’m Natalie Kilbourne and i’m here with the amazing
Dr. Mary Newport, and we are going to be talking a little bit about
Keto 101; so let’s start with the basics, Dr. Mary.
What is a ketone?
Ketones have been around as a fuel for um billions of years.
Humans have been in and out of ketosis since the beginning of humans, in fact before humans, earlier primates.
They’re a normal energy source, again, its a normal part of our physiologic, um metabolism.
So the first single-cell organisms, one of the three fuels that they used, and still use today are ketones.
A ketone is a molecule, there’s three of them that are made when your body breaks down fatty acids. Beta hydroxybutyrate, acetoacetate, and acetone. So in a period of starvation, our livers essentially oxidize or burn Fat and as a consequence of that, we produce ketones.
So you think of three macronutrients , carbohydrates, fats, and protein. ketones are the fourth macronutrient. They’re a super highly efficient energy molecule that our brains actually prefer over other fuels.
So ketosis is a normal physiological process in the body. When our body transitions over
and we’re no longer burning glucose, but we’re burning fat we’re moving into a state of ketosis
we’re continually making those ketone bodies, but sustaining ketones through diet meaning that you’ve gotten your ketone level up gotten your ketone level up and you’re sustaining it,
you know, 24/7, requires that you greatly reduce the amount of carbohydrate in the diet and increase
the fat to pretty significant levels.
A ketogenic diet is by definition, a low carbohydrate diet. But a low carbohydrate diet just means you’re simply lowering the amount of carbohydrates you’re eating. The definition of it varies significantly and we’ve been on a high carbohydrate diet for so many years. 50 to 150 grams of carbs per day is generally accepted as a low carbohydrate diet. Most people
to get into ketosis need to eat less than 50 grams of carbohydrates per day. And have to minimize their protein. Its not the case with everyone, some people have to
get even lower, but you have to get those carbs down so low that when your blood sugar starts dropping, Your liver starts making ketones and thus, you’re into ketosis.
Scientists are by definition skeptics. We are professional skeptics, right, so you have to be critically skeptic of both your work, and other people’s work. And so being able to see the research that’s being done by my colleagues, new papers are being published literally every week uncovering benefits of ketosis.
Whenever i’m fully on a ketogenic diet, I just feel very stable…and lots of energy even into the night. I can stay focused for longer periods and that’s definitely my favorite.