Hi, it's Mark Sisson from Marksdailyapple.com.

Enjoy this audio narration of a recent Marksdailyapple.com post by Tina Lehman.

Subscribe to this podcast channel so you don't miss anything from the blog

and read my daily posts on Living Awesome and much more at marksdailyapple.com.

The definitive guide to metabolic flexibility.

Metabolic flexibility is the capacity to match fuel oxidation to fuel availability,

or switch between burning carbs and burning fat.

Someone with great metabolic flexibility can burn carbs when they eat them.

They can burn fat when they eat it, or when they don't eat at all.

They can switch between carbohydrate metabolism and fat metabolism with relative ease.

All those people who can eat whatever they want, most likely have an

excellent metabolic flexibility. So why does it really matter and how does it happen? Let's get into the

weeds today. Why we need metabolic flexibility. There are many good reasons to want more metabolic flexibility.

It allows us to safely and effectively utilize a wider variety of nutrients. If we enjoy

metabolic flexibility, we can eat a purple sweet potato and a grass-fed ribby. It means we

can tap into different fuel sources to power different activities. Most importantly, it means we can tap into different fuel sources to power different activities.

Most importantly, it means we can trust our bodies.

The more metabolically flexible we are, the less we have to micromanage our macronutrients and calories.

We can just eat.

And as long as we stick to whole foods, the satiety signaling we receive will be

generally accurate and reliable. You can certainly overload the system. Any metabolic system,

however flexible, will crumble under the weight of an entire cheesecake. Overall caloric content

...