Story perspectives

Vitamin D May Preserve Telomeres, Slowing Aging Process

9/15/2025

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Summary

Story summary

A clinical trial suggests vitamin D may slow cellular aging by preserving telomeres, the protective caps on chromosomes.
The study involved 1,031 participants aged 65, with half receiving 2,000 IU of vitamin D daily.
Telomeres in the vitamin D group were preserved by 140 base pairs compared to placebo.
Experts recommend caution with high doses, advising 600-800 IU as the standard intake.
A balanced diet, exercise, and stress management remain essential for telomere health.

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Story summary

A clinical trial suggests vitamin D may slow cellular aging by preserving telomeres, the protective caps on chromosomes.
The study involved 1,031 participants aged 65, with half receiving 2,000 IU of vitamin D daily.
Telomeres in the vitamin D group were preserved by 140 base pairs compared to placebo.
Experts recommend caution with high doses, advising 600-800 IU as the standard intake.
A balanced diet, exercise, and stress management remain essential for telomere health.