Does Protein Intake actually make a difference, or is it overhyped?

Multiple systematic reviews, meta-analyses, and expert position papers (including PROT-AGE and ESPEN guidelines) consistently support higher dietary protein intake for preserving muscle mass and function in older adults, particularly to counteract sarcopenia and protect lean mass during weight loss. Weighing the data: Protein Intake looks potentially significant but still under-researched — its estimated impact on longevity is rated high (55/100), while the evidence itself is only moderate (58/100).