Introduction Longevity means a long duration of individual life.Longevity is defined as the capability to survive past the average age of death (De Benedictis and Franceschi, 2006).Longevity is the length of the life span independent of the biological aging process.Increasing longevity can enable people to work longer, and working longer has benefits such as keeping people mentally engaged with work they value and/or enjoy, having a sense of purpose, preventing or reducing loneliness and providing more time to build financial security that will support longer lifespans.A study of gut microbiome patterns revealed a positive association between microbial metabolic markers and