Previous studies have linked common vitamins to slowing down aging. And now it appears that a new Harvard research is emerging to confirm these findings.
The study, published in the American Journal of Clinical Nutrition, found that it was photographed daily Vitamin D pill We have made sure that telomeres, which are characteristic of aging, are not shortened.
According to a Harvard University press release, telomeres, compared to the plastic tips on the ends of shoelaces, act as “protective ends” of chromosomal strands.
Common daily vitamins can slow down biological aging, major studies suggest
As age increases, telomeres may become shorter and may increase the likelihood of lowering health and mortality, previous studies have shown.
Research also suggests that it is higher Vitamin d levels The blood is associated with long telomeres.
In this latest randomized trial, approximately 1,000 people over the age of 50 were divided into two groups. One group took 2,000 International Units (IU) Vitamin D tablets daily, and the other group took placebo pills.
After 4 years, people taking vitamin D showed less than half of the telomere shortening than the placebo group.
Vitamin D classes are also reduced Autoimmune diseases Reduced inflammatory markers.
Common vitamins shown to reduce autoimmune diseases
Prime Minister Joan Manson, a professor of medicine at Harvard Medical School, said the findings “suggested a promising role in slowing down the pathways.” Biological Aging Age-related chronic disease. ”
Researchers were surprised that vitamin D is associated with such substantial protection against telomere shortening, but Manson told Fox News Digital that the findings are consistent with previous evidence.
“Vitamin D reduces inflammation and is the main cause of chronic diseases of telomere shortening and aging,” she said.
According to Manson, the issue of what constitutes the “proper” blood concentration of vitamin D is a “controversial topic.”
In this study, the team found that 2000 IUs per day was “very safe” with no side effects or adverse events.
To stay healthy, eat more food with vitamin D, nutrition experts advise
“The blood concentration of deficiencies and recommended blood levels vary by tissue, lab and country. This is one of the reasons why we have doubts about the usefulness of the test,” Manson said.
The US Preventive Services Task Force and most professional societies in the US do not recommend universal screening for vitamin D blood levels or daily use Vitamin D supplementsthe researchers pointed out.
“The National Academy of Medicine recommends 600 IU of Vitamin D per day for adults ages 70 and up to 800 IU. Over 70 years oldwhich states that these intakes meet the requirements of the vast majority of the population,” she said.
“However, recent guidelines from the Endocrine Society suggest that vitamin D supplements may be useful for adults over the age of 75, infants and children, pregnant women, and those with a diagnosis of prediabetics, but do not specify a specific dose.”
Manson said that supplementing vitamin D between 1000 and 2000 IU/day is “very reasonable” for anyone concerned about getting proper vitamin D from food or outdoor time.
“In the US, foods like dairy products, cereals and orange juice are often fortified with vitamin D, so checking nutrition labels can help you make a better decision. Which food To buy it,” she advised.
“Fat fish such as salmon, sardines, tuna and wild mushrooms are other sources.”
Groups at high risk for vitamin D deficiency include those who live in nursing homes and those who have malabsorbed conditions Crohn’s or celiac diseaseManson said, those who are undergoing treatment for osteoporosis or other bone health issues, or those with major dietary restrictions such as severe lactose intolerance.
“[People in these groups] You need to talk to your doctor about testing your vitamin D blood levels and taking vitamin D supplements,” she recommended.
The doctor pointed out that people only need small to medium amounts of vitamin D. healthThis is because vitamin metabolism is “strickenly regulated” in the body.
“Not necessarily better than that, and very high doses, such as above 10,000 IU/D, may be linked to hypertension or urinary calcium levels and toxicity,” she warned.
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Manson emphasized that taking supplements is not an alternative to a nutritious diet and a healthy lifestyle.
“It’s much easier to pop a pill than to physically active outdoors and eat healthy, but these lifestyle factors will do more to keep you healthy and lower your risks Cardiovascular diseasecancer, type 2 diabetes and other chronic diseases of aging,” she said.
Manson said that if the skin usually provides enough sunlight exposure to vitamin D, going out for a 15-minute walk a week can cause your skin to be exposed to plenty of sunlight.
“It’s even more important to your health Exercise outdoorss, s, active walking, jogging, playing sports, etc. ”
“The results are exciting, but I believe these results are separate Randomized trials It will be important before we change the general guidelines for vitamin D intake,” Manson said.
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This study was supported in part by the National Heart, Lung and Blood Institute, National Cancer Institute, and the National Center for Complementary Integrated Health.
