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Metabolic Partitioning Control

Meaning

Metabolic Partitioning Control is the precise physiological regulation of how ingested energy substrates—specifically carbohydrates, fats, and proteins—are distributed, utilized, or stored within the various tissues of the body. This control dictates whether calories are preferentially directed toward muscle anabolism and energy expenditure or toward adipose tissue storage. In the context of health and body composition, optimizing this partitioning is a primary goal, as it fundamentally influences fat mass, lean mass, and overall metabolic flexibility. It represents a key point of hormonal and cellular regulation.