Healthy aging focuses on maintaining physical function, cognitive performance, metabolic health, and overall quality of life as we grow older. While aging cannot be stopped, many lifestyle and nutritional interventions may help support healthier aging and reduce the risk of age-related decline. Numerous supplements have been investigated for their effects on longevity-related pathways, cellular health, inflammation, and age-associated conditions. The supplements below are ranked based on the quality of the evidence and their potential contribution to healthy aging.