The National Institute for Longevity and Aging Research (NIHLAR) is a bold proposal to transform how we tackle aging and age-related diseases. By driving innovation in longevity science, NIHLAR will accelerate breakthroughs that extend healthspan, reduce healthcare costs, and enhance quality of life for millions. Positioned to make the U.S. a global leader in this vital field, NIHLAR will fuel cutting-edge research, foster collaboration, and unlock transformative solutions that benefit individuals, economies, and society as a whole.