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Daily Vitamin D3 Slows Aging, Study Finds

7/19/2025

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Summary

Story summary

A groundbreaking study in The American Journal of Clinical Nutrition reveals that daily vitamin D3 supplementation can slow the aging process by minimizing telomere shortening in older adults. Over five years, participants took 2,000 IU daily. However, experts recommend sourcing vitamin D from nutrient-rich foods like fish and fortified products, and consulting a doctor before starting any supplements.

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Story summary

A groundbreaking study in The American Journal of Clinical Nutrition reveals that daily vitamin D3 supplementation can slow the aging process by minimizing telomere shortening in older adults. Over five years, participants took 2,000 IU daily. However, experts recommend sourcing vitamin D from nutrient-rich foods like fish and fortified products, and consulting a doctor before starting any supplements.