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Taurine, a semiessential micronutrient, is one of the most abundant amino acids in humans and other eukaryotes. Earlier studies have shown that the concentration of taurine in blood correlates with health, but it is unknown whether blood taurine concentrations affect aging.
Taurine abundance decreases during aging. A reversal of this decline through taurine supplementation increases health span and life span in mice and worms and health span in monkeys. This identifies taurine deficiency as a driver of aging in these species. To test whether taurine deficiency is a driver of aging in humans as well, long-term, well-controlled taurine supplementation trials that measure health span and life span as outcomes are required.
see also:
Aging / Senescence