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Metabolic Fuel Switching

Meaning

Metabolic Fuel Switching is the physiological capacity of an organism to efficiently transition its primary energy substrate utilization between carbohydrates (glucose) and fats (ketones/fatty acids) based on availability and demand. Optimal switching is indicative of high metabolic flexibility and is crucial for sustained energy levels and hormonal balance. This flexibility dictates how effectively the body can tap into its fat stores for energy.