The MedicalXpress report on the 38,000-participant SHARE cohort correctly flags low protein intake as a risk for functional decline, yet underplays its observational design and modest effect sizes. This longitudinal analysis from 27 European countries tracked adults 50+ but relied on self-reported dietary frequency without biomarker validation or adjustment for total energy intake, limiting causal inference. Men showed steeper grip-strength drops while women reported more stair-climbing difficulty, a sex-specific pattern also seen in the Health ABC observational study (n=3,075, 2009) where animal-protein sources correlated more strongly with muscle preservation than plant sources. RCT evidence remains thin; a 2022 meta-analysis in the American Journal of Clinical Nutrition (12 trials, n=1,892) found protein supplementation above 1.0 g/kg only modestly improved chair-rise times when baseline intake was already adequate. The missed opportunity is economic: replacing one daily serving of processed meat with eggs or legumes costs pennies yet may delay sarcopenia onset by years, a modifiable lever absent from most geriatric guidelines focused on resistance training alone. Conflicts of interest were unreported in the Nutrients paper; the international team drew from EU-funded SHARE infrastructure with no disclosed industry ties. Real-world translation requires clinicians to screen dietary patterns rather than await frailty, since functional losses compound within 12–24 months once handgrip falls below sex-specific thresholds.