Metabolic Fundamentals: A Foundational Framework

Describe the three primary metabolic states: fed, post-absorptive, and fasted.

Explain how the body prioritizes fuel sources (glucose, glycogen, fatty acids, ketones) in different metabolic states.

Describe the role of insulin and glucagon in regulating nutrient storage and mobilization.

Explain the concept of metabolic flexibility and its importance for long-term health.