Lean muscle mass

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Lean muscle mass is the amount of muscle tissue in the body that is not associated with fat, water retention, or connective tissue. It plays a central role in strength, metabolic rate, and physical performance across different age groups.

Maintaining or improving lean muscle mass is commonly linked to resistance training, adequate protein intake, and supportive supplementation. In health-focused formulations, it is often discussed alongside body composition, recovery capacity, and sustainable fitness outcomes.