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Daily Vitamin D May Slow Aging Process, Study Reveals

8/30/2025

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Summary

Story summary

A Harvard study indicates that daily vitamin D intake may slow telomere shortening associated with aging.
Participants aged 50 and older taking 2,000 IU of vitamin D experienced reduced telomere shortening and fewer autoimmune diseases over four years.
Recommended vitamin D intake is 600 IU for adults up to 70 years and 800 IU for those older.
Lifestyle factors are essential for health; supplementation should complement a nutritious diet.

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Story summary

A Harvard study indicates that daily vitamin D intake may slow telomere shortening associated with aging.
Participants aged 50 and older taking 2,000 IU of vitamin D experienced reduced telomere shortening and fewer autoimmune diseases over four years.
Recommended vitamin D intake is 600 IU for adults up to 70 years and 800 IU for those older.
Lifestyle factors are essential for health; supplementation should complement a nutritious diet.