Linking Diet, Inflammation, Gut Microbiota, and Sarcopenia: A Cross-Sectional Study

Inclusion Criteria: * Permanent residents of the community aged 60 years or older. * Continuous residence duration in the community for more than 5 years. Exclusion Criteria: * Taking medications known to affect muscle function (e.g., corticosteroids, protein supplements, muscle enhancers). * Requiring walking assistance or having severe cognitive impairment that would preclude successful completion of assessments including bioelectrical impedance analysis (BIA), gait speed measurement, and handgrip strength testing. * Presence of a cardiac pacemaker, which contraindicates BIA measurement. * Diagnosis of one or more chronic diseases that significantly limit dietary intake.