The role of protein quality and amino acid composition in preventing sarcopenia and functional decline in older adults

Sarcopenia is a prevalent condition in older adults that involves the progressive loss of muscle mass and function, affecting their autonomy and quality of life. Balanced nutrition, especially adequate protein intake, is essential for preventing and managing this condition. This narrative review analyzes the importance of both the quantity and quality of protein in the diet of older adults to preserve muscle mass and prevent age-related functional decline. It is emphasized that general protein r