Signs Your Body Is Using Fat for Fuel
Your body is constantly switching between fuel sources. Sometimes it primarily burns glucose (from carbohydrates), and other times it relies more heavily on fat. This ability to switch fuels is called metabolic flexibility, and it’s a normal part of human physiology.
If you’re following a low-carbohydrate diet, practicing intermittent fasting, or simply improving your metabolic health, you may wonder: How do I know if my body is using fat for fuel?
In this article, we’ll explain how fat metabolism works, common signs that your body is shifting toward fat burning, and how to measure it more accurately.
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