nti-aging supplements become popular based more on hype than hard evidence—but researchers are starting to investigate some of the more promising ones to add some scientific rigor to the claims.and one that scientists have been studying for decades, albeit for reasons other than aging. In a paper published June 8 in, researchers report on encouraging results that show taurine can slow aging in a number of animal species, including worms, mice, and monkeys.
In a series of experiments that extended over 11 years, the team, led by Vijay Yadav from the National Institute of Immunology in New Delhi, India, first documented that circulating levels of taurine in the blood of mice declined with age. Next, they fed older animals taurine supplements to restore these levels to what they were when the mice were younger, and found that the supplemented mice lived on average 10% to 12% longer than old mice who hadn’t received taurine supplements.
Yadov found similar life-extending and health-promoting effects of taurine supplementation in worms and monkeys, the latter of which most closely resemble people.“It’s almost too good to be true,” said his collaborator Henning Wackerhage, professor of exercise biology at the Technical University of Munich in Germany. Wackerhage built off of Yadov’s work in the various animal species and looked at how taurine levels might be related to aging in people.
Taken together, the data all point to the possibility that taurine can play a role in slowing aging—or, at the very least, in making animals healthier as they get older. They also suggest that restoring depleted levels through supplements, or possibly even exercise, is possible.
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