Vitamin D could do more than support bone health – it could also help the age of the slower body, according to a new study led by researchers from the mass general Brigham (MGB) and Medical College of Georgia.
The study, published this month in the American Journal of Clinical Nutrition, reveals that taking vitamin D supplements can protect against Biological aging By slowing down the shortening of the telomeres, the tiny Caps on DNA that naturally erudies as people age.
Directed as part of a four -year national test, the study followed more than 1,000 American adults (men over 50 and women over 55) and found that Daily vitamin D3 could reduce organic wear, equivalent to almost three years of aging, according to a press release from MGB.
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Participants were randomly assigned to take a placebo or a daily dose of vitamin D3 (2,000 IU) and omega-3 fatty acids (1 gram).
The length of the telomeres in the white blood cells was measured at the start of the study, at two years and after four years.
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Daily vitamin D3 could reduce biological wear, equivalent to almost three years of aging, revealed the study.
Compared to the placebo group, those who take vitamin D3 had much less shortening of the telomeres, according to the researchers.
On the other hand, Omega-3 supplements “had no significant effect on the length of the telomeres throughout the follow -up,” the team reported.
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It was the first long-term randomized randomized trial to show that vitamin D supplements protect the telomeres, according to the co-author Joann Manson, MD, the health teacher for Michael and Lee Bell at the Harvard Medical School.
“This is a particular interest because vital (the trial) has also shown the advantages of vitamin D to reduce inflammation and reduce the risk of selection Chronic aging diseasesLike advanced cancer and autoimmune diseases, “Manson said in the statement.
Telomeres are made of repetitive DNA sequences which act as protective points at the ends of chromosomes, similar to the plastic ends of the laces, according to the researchers.
Telomeres act as protective advice at the ends of chromosomes, similar to the plastic ends of laces, according to researchers. They “prevent the ends of the chromosomes from degrading or fusion with other chromosomes”.
Over time, these DNA Caps Shorten, which makes a natural element of aging and is linked to a higher risk of age -related diseases.
For this reason, scientists consider the length of the telomeres as a marker of “biological age”, which can better reflect state of health that their real age in years.
The study participants were assigned to random to take a placebo or a daily dose of vitamin D3 and omega-3 fatty acids.
The anterior test phases have shown that vitamin D supplementation could reduce inflammation and reduce the risk of certain chronic age -related conditions, such as Advanced cancers And autoimmune diseases, noted Manson.
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Although the new discoveries of telomeres do not prove that vitamin D slows aging at all levels, researchers say that it points to a potentially powerful means of protecting the body to the cell level.
The study concluded that the vitamin of helps to preserve telomeres, which are “linked to the development of certain diseases” when they shorten with age.
“Our results suggest that the targeted vitamin D supplementation can be a promising strategy to counter the organic aging process, although additional research is justified, “said the first author, Dr. Haidong Zhu, a molecular geneticist at the Medical College of Georgia, in the press release.
The research team stressed that more work is necessary to determine how vitamin D has an impact on aging in different populations and if these effects continue on longer deadlines.
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Before starting a new supplement plan, experts recommend consulting a health care provider to discuss the appropriate dose and potential risks.
Source of the original article: Current daily vitamin could slow organic aging suggests a major study
