Longevity Foods: Functional Food Formulation Guide Longevity foods are ingredients that have been repeatedly linked, across peer-reviewed nutrition and population studies, to a lower risk of age-related disease and a longer healthspan — the number of years a person lives in reasonably good health, as opposed to lifespan, which simply counts years alive. That distinction matters. A diet pattern that adds active, disease-free years is worth far more than one that only postpones a decline. https://www.flavorcatalyst.com/insights/longevity-foods-formulation/