Vitamin D supplements may slow aging: Study
(NewsNation) — Vitamin D does many wonders for the human body, and now, supplements have added one more.
According to findings published in The American Journal of Clinical Nutrition on May 21, vitamin D supplements, across a four-year study, slowed the shortening of telomeres, the protective caps at the end of chromosomes that shrink as one ages.
'The finding that these telomeres seem to be protected against shortening, and that their length was being preserved by vitamin D supplementation, suggested that vitamin D may have a role in slowing biological aging,' Dr. JoAnn Manson, study coauthor and chief of the Division of Preventive Medicine at Brigham and Women's Hospital, told Fortune.
Scientists create contact lenses allowing sight in the dark
The 25,871 people studied also took Omega-3 supplements. Those showed to have 'no significant effect' on shortening telomeres.
Results suggest 2000 IU, or 50 micrograms, of vitamin D with or without Omega-3 supplements may stall telomere erosion.
The National Institute of Health recommends 600 IU a day for individuals aged between 1 and 70 and 800 IU for those above 70.
'Having a healthy diet and time outdoors, being physically active, will be enough for the majority of the population to have adequate vitamin D status,' Manson said.
Copyright 2025 Nexstar Media, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.
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