Common daily vitamin shown to slow aging process over four-year period - Fox News

Common daily vitamin shown to slow aging process over four-year period - Fox News

A new large-scale, four-year randomized study confirmed that daily vitamin D supplementation can slow the biological aging process, as featured in recent Fox News coverage and scientific journals^[1][2][3].

Key Findings from the Study

Over 1,000 adults aged 50 and older participated, with one group taking 2,000 IU of vitamin D daily and the other receiving a placebo^[1][2][3].

The vitamin D group showed less than half the telomere shortening compared to the placebo group after four years^[1][3].

Telomeres are protective caps on chromosomes; their shortening is a hallmark of aging and is linked to increased risks of chronic diseases^[1][4].

Participants taking vitamin D also experienced fewer autoimmune diseases and lower markers of inflammation^[3][5].

How Vitamin D May Slow Aging

Vitamin D protects telomeres, slowing their rate of shortening; this preserves cellular health and reduces biological aging^[1][5][4].

By reducing inflammation (a major contributor to telomere shortening), vitamin D may lower risks for other age-related conditions^[3][5].

Expert Perspective and Safety

The study’s lead author, Dr. JoAnn Manson of Harvard, highlighted vitamin D’s "promising role" as a pathway for slowing aging and reducing chronic disease risk^[1][5].

The 2,000 IU daily dose used in the study was reported as safe, with no adverse side effects^[3][6].

Universal supplementation is not yet recommended for everyone solely to slow aging, but maintaining adequate vitamin D is essential for overall health^[5][6].

Practical Recommendations

Most adults are recommended to get at least 600–800 IU of vitamin D daily, depending on age^[3][6].

Vitamin D can be obtained from sunlight, foods (like salmon and fortified milk), or supplements^[5].

High-risk groups (such as those over 75, people with osteoporosis, or those with low sun exposure) may benefit most from supplementation, and consultation with a physician is advised^[5].

These findings mark vitamin D as the common daily vitamin now linked to slower biological aging and reduced inflammation over a four-year period^{[1][2][3][5][4]}.

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https://www.foxnews.com/health/common-daily-vitamin-shown-slow-aging-process-over-four-year-period      

https://www.foxnews.com/health/common-daily-vitamin-could-slow-biological-aging-major-study-suggests  

https://www.aol.com/common-daily-vitamin-shown-slow-110013021.html       

https://news.harvard.edu/gazette/story/2025/05/vitamin-d-supplements-may-slow-biological-aging/  

https://fortune.com/well/2025/05/21/vitamin-d-supplements-biological-clock-aging/       

https://www.prevention.com/health/a65022282/vitamin-d-slows-aging-study/  

https://www.aging-us.com/news-room/natural-supplement-may-decrease-biological-aging-and-improve-muscle-strength

https://www.massgeneralbrigham.org/en/about/newsroom/press-releases/vitamin-d-supplements-show-signs-of-protection-against-biological-aging

https://www.nhlbi.nih.gov/news/2025/vitamin-d-supplements-may-slow-cellular-aging

https://www.yahoo.com/news/articles/common-daily-vitamin-shown-slow-110013531.html

https://www.foxnews.com/health/common-supplement-could-help-you-live-longer-research-suggests