Autophagy
A natural cellular process where the body breaks down and recycles damaged or dysfunctional components. During fasting, autophagy increases significantly — one of the primary biological mechanisms behind the long-term health benefits of extended fasting.
Autophagy is the body's way of cleaning up and recycling damaged cellular parts. It increases during fasting, especially as fasting duration extends. This process supports overall cellular maintenance and renewal. While it is not something you feel directly, it is one of the underlying effects of longer fasting periods.
Related Topics
Related glossary terms
Behavior Proof
Concrete evidence created by completing actions — such as finished fasts, logged meals, or daily step counts — that demonstrates the new pat…
Economy Mode
A state where the body conserves energy due to perceived scarcity of food, slowing metabolism and weight loss. It can occur after prolonged…
Fasting Arc
The predictable progression of physical and mental states during a fast.
Fasting Window
The period where no calories are consumed.
Fat Oxidation
Fat oxidation is the process of breaking down fat to produce energy.
Fat-adapted State
A state where the body relies more on fat than carbohydrates for energy.
Fat-Burning Switch
The point where fat becomes the primary fuel source after glycogen depletion.
Water Fasting
A form of fasting in which only water is consumed — no calories from any source. Water fasting is the strictest form of extended fasting and…