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Vitamin D supplements may slow aging: Study

  • The VITAL randomized, double-blind, placebo-controlled trial studied vitamin D3 supplementation effects on telomere length over four years in U.S. adults aged 50 and older.
  • This trial arose from telomere shortening as a natural aging process linked to age-related diseases and sought to test if vitamin D3 could slow this shortening.
  • The sub-study involved 1,054 participants whose white blood cell telomere length was measured at baseline, Year 2, and Year 4 to assess supplementation impact.
  • Results showed vitamin D3 supplements significantly reduced telomere shortening by about 140 base pairs, equivalent to nearly three years of aging, while omega-3 had no effect.
  • The findings suggest vitamin D3 may slow cellular aging by preserving telomere length, though researchers emphasize further study is needed to confirm broader implications.
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The Washington PostThe Washington Post
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Vitamin D may slow a process related to aging, new study suggests

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  • 38% of the sources are Center, 38% of the sources lean Right
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Medical Xpress broke the news in on Wednesday, May 21, 2025.
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