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Glycogen Sparing Metabolism

Meaning

Glycogen Sparing Metabolism is a metabolic state where the body preferentially utilizes non-carbohydrate sources, primarily fatty acids and ketone bodies, for energy production, thereby conserving liver and muscle glycogen stores. This physiological shift is typically induced by fasting, prolonged low-carbohydrate intake, or intense, sustained exercise. In the context of hormonal health, this metabolic flexibility is indicative of high insulin sensitivity and robust mitochondrial function, supporting longevity pathways. The goal is to maximize energy efficiency while protecting limited glucose reserves for essential functions.