Common daily vitamin could slow biological aging, suggests an important study
Vitamin D could be doing more than supporting bone health: it could also help the age of the slowest body, according to a new study led by researchers from General Mass Brigham (MGB) and the Faculty of Medicine 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 decelerating the shortening of telomers, small tapas in the DNA that are naturally eroding as people age.
Made as part of a four -year -old national trial, the study tracked more than 1,000 American adults (men over 50 and women over 55 years old) and discovered that daily vitamin D3 could reduce biological wear, equivalent to almost three years of aging, according to a MGB press release.
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The 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 beginning of the study, in the two -year brand and after four years.
Daily vitamin D3 could reduce biological wear, equivalent to almost three years of aging, according to the study. (Istock)
Compared to the placebo group, the researchers found that the researchers had significantly less shortening of telomeres.
In contrast, Omega-3 supplements did not have a significant effect on the length of telomeres during follow-up, “the team said.
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This was the first long -term randomized essay showing that vitamin D supplements protect telomeres, according to co -author Joann Manson, MD, Michael’s women’s health professor and Lee Bell at Harvard’s Faculty of Medicine.
“This is of particular interest because vital (the trial) has also shown benefits of vitamin D to reduce inflammation and reduce the risks of chronic aging diseases selected, such as advanced cancer and autoimmune disease,” Manson said in the statement.
Telomeres are made of repeated DNA sequences that act as protective tips at the ends of chromosomes, similar to plastic ends of shoes cords, according to researchers. (Istock)
Telomeres act as protective tips at the ends of chromosomes, similar to plastic ends of shoes, according to researchers. “They prevent the purposes of chromosomes from degrading or merge with other chromosomes.”
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Over time, these DNA covers shorten, which is a natural part of aging and is linked to a greater risk of age -related diseases.
Because of this, scientists see the length of telomeres as a “biological age” marker, which can better reflect the health status of a person that their real age in years.
The study participants were randomly assigned to take a placebo or a daily dose of fatty acids of vitamin D3 and Omega-3. (Istock)
Why does it matter
The previous phases of the trial showed that vitamin D supplementation could reduce inflammation and reduce the risk of certain chronic conditions related to age, such as advanced cancers and autoimmune diseases, Manson said.
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While the new telomere findings do not prove that vitamin D slows aging in all areas, researchers say it indicates a potentially powerful way to protect the body at the cellular level.
The study concluded that vitamin D helps preserve telomeres, which are “linked to the development of certain diseases” when they shorten with age. (Istock)
“Our findings suggest that the specific supplementation of vitamin D can be a promising strategy to counteract the biological aging process, although more investigations are justified,” said the first author Dr. Haidong Zhu, molecular geneticist of the Medical College of Georgia, in the statement.
Previous investigations suggested that vitamin D could reduce inflammation and reduce the risk of some age -related diseases.
The research team emphasized that more work is needed to determine how vitamin D affects aging in different populations and if these effects last in the longest deadlines.
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Before starting a new supplements regime, experts recommend consulting with a medical care provider to discuss the right dose and potential risks.
Replace is a lifestyle production assistant with News Digital. She and the lifestyle team cover a variety of stories issues that include food and drink, travel and health.