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Lean Muscle Preservation

Meaning

Lean muscle preservation is the clinical and physiological goal of maintaining the body’s existing muscle mass, particularly during periods of caloric restriction, aging, or chronic illness. This objective is critical because muscle tissue is a major site of metabolic activity, insulin sensitivity, and hormonal signaling, and its loss, known as sarcopenia, severely compromises vitality and longevity. Strategies focus on counteracting catabolic processes to sustain muscle protein synthesis.