Vitamin D May Slow Cells’ Aging by Protecting DNA

Vitamin D supplements may help prevent the loss of telomeres, DNA sequences that shrink with aging, a large study shows. But the health effects aren’t yet clear

May 21, 2025 - 22:02
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Vitamin D May Slow Cells’ Aging by Protecting DNA

Vitamin D supplements may help prevent the loss of telomeres, DNA sequences that shrink with aging, a large study shows. But the health effects aren’t yet clear