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Scientists are increasingly focusing on nutrients that go beyond basic bodily functions to promote healthy aging. Recent research reveals that vitamin D supplements may counteract cellular aging signs.
A randomized trial reveals that daily vitamin D supplements maintain telomere length in older adults, potentially slowing a critical biological aging mechanism. Telomeres, the protective ends of chromosomes, naturally shorten with age and are linked to chronic diseases. Extended telomeres are repeatedly connected to improved aging and enhanced lifespan. Scientists consider telomere length a measure of "biological age," which may more accurately indicate a person’s health status than their chronological age.
The large, long-term study found that daily vitamin D supplementation or sufficient natural intake, such as sunlight or diet, can reduce biological aging by about three years. Researchers followed over 1,000 U.S. adults, including men over 50 and women over 55. Participants taking a 2,000 IU Vitamin D3 capsule daily for four years exhibited significantly less DNA damage compared to those receiving a placebo. Researchers measured telomere length in white blood cells at the study's outset, after two years, and at the four-year mark.
The trial also demonstrated that vitamin D supplementation can reduce inflammation and lowers the risk of certain age-related chronic conditions, including autoimmune diseases and late-stage cancer. However, certain chronic diseases show no improvement with vitamin D supplementation. The study promotes adopting a balanced diet and healthy lifestyle rather than depending only on supplements. However, targeted vitamin D3 supplementation may benefit individuals with elevated inflammation or those at higher risk for inflammation-related chronic conditions.
The results highlight vitamin D as a potential tool for slowing age-related cellular decline, but further studies are required to verify its sustained benefits. Considering the cost, a simple vitamin D capsule could be an affordable longevity secret.
To view the original scientific study click below:
Vitamin D3 and marine W-3 fatty acids supplementation and leukocyte telomere length: 4-year findings from the VITamin D and OmegA-3 TriaL (VITAL) randomized controlled trial
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