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    Lower Vitamin D Levels May Indicate High Risk of COVID-19 Infection: Doctors


    While the world waits for a definitive treatment, cure, or vaccine for COVID-19, studies have shown a significant correlation between a low level of vitamin D in the blood and a greater risk of infection of COVID-19, revealing that more robust data is needed to determine if vitamin D can prevent the disease or be used as an adjunct therapy.

    Vitamin D, commonly known as the sunshine vitamin, is a hormone with a vast array of benefits over and above bone and muscle health. It may also strengthen the immune system, protect against cardiovascular disease, and help prevent colon cancer, among other chronic illnesses. It comes in two major forms: vitamin D3 produced by the body and vitamin D2 found in plants.

    Pending conclusive evidence on vitamin D’s effects on COVID-19, doctors are stressing the importance of people having their vitamin D levels checked to ensure they have an adequate level of the nutrient.

    Dr. Kecia Gaither told The Epoch Times in an email that she screens all of her patients’ vitamin D levels as women who are pregnant or breastfeeding may not have enough of the vitamin. And it’s even more important to be doing so right now because “patients with adequate vitamin D levels have been found to have lesser morbid and mortality from COVID-19 than those that were deficient,” Gaither wrote.

    “Along with vitamin D supplementation, adequate sunshine exposure is needed, particularly if melanated because vitamin D is made in the skin,” Gaither said. “Melanin inhibits vitamin D production in the skin.”

    Melanin is a skin pigment that makes the skin, eyes, and hair darker. It is common among black Americans (who are in the high-risk group) to have low vitamin D levels. Black people have a high COVID-19 death rate.

    Research by The Cooper Institute observing how fitness and body weight affected vitamin D levels in black adults said: “African American men and women with moderate or high fitness levels were 45 percent less likely to have vitamin D deficiency than those with low fitness levels. Additionally, obese African American men and women were 70 percent more likely to have vitamin D deficiency than those who were normal weight.”

    Lead researcher Steve Farrell said, “Some of the health disparities that we see in African American adults may be partially due to the high prevalence of vitamin D deficiency in this population.”

    Symptoms and Dosage

    Symptoms of vitamin D deficiency may include osteoporosis or bone thinning and weakness, bone and muscle pain, depression, fatigue, and frequent infections or illnesses.

    Dr. Mike Hansen, pulmonologist and critical care physician, says in a video on COVID-19 that many “COVID-19 patients who require hospitalization do have low vitamin D levels, and this is consistent with what we’re seeing.”

    To treat vitamin D deficiency, exposing skin to direct sunlight for 15-30 minutes, avoiding sunburns, along with incorporating foods such as salmon, white mushrooms, and cod liver oil may be enough for some people to reach adequate vitamin D levels. For others, a vitamin D supplement is recommended through their physician.

    Dr. Abe Malkin wrote in an email to The Epoch Times that generally, a “safe daily supplement dose would be 2,000 IU [international unit] daily, but for those who are more deficient they can take up to 5,000 IU daily.” Malkin, who is the founder and medical director at Concierge MD LA, says zinc and vitamin C supplements should be taken at the same time “to help bolster the immune system.”

    The National Institutes of Health’s Office of Dietary Supplements recommends 600 IU for people aged 1-70, and 800 IU for adults 71 and older.

    Although rare, vitamin D toxicity may occur when too much of the nutrient is consumed, typically in the form of supplements, and for a long time. This causes excessive calcium in the blood as vitamin D assists the body in absorbing and regulating calcium, causing symptoms of “nausea, vomiting, weakness, kidney issues, and bone pain,” according to Gaither.

    “Those who have elevated levels of vitamin D naturally should not take a supplement,” Malkin said. “This would be determined by a blood test to check vitamin D levels.”

    Conflicting Messages from Recent Studies

    An observational study (pdf) that examined the levels of vitamin D in 7,807 people who were tested for COVID-19 in Israel, found that the average plasma vitamin D level was remarkably lower among the 782 who tested positive compared to the 7,025 negatives, showing an independent association between low blood levels of vitamin D and the occurrence and severity of COVID-19. The circulating form of vitamin D in the body is called 25(OH)D, which is tested to determine vitamin D deficiency or toxicity.

    But researchers in a study in the United Kingdom said that their findings “provided no evidence to support a potential role for (25(OH)D) concentration to explain susceptibility to COVID-19 infection either overall or in explaining differences between ethnic groups.” The study recruited 348,598 individuals (but only 449 tested positive for COVID-19) from the UK Biobank to examine whether their plasma vitamin D levels correlated with COVID-19 risk using the participants’ baseline 25(OH)D that was recorded 14 years ago, between 2006 and 2010.

    The study’s use of the participants’ baseline measurements from over a decade ago raised concerns for several scientists who co-authored a response arguing that the baseline assessment was not “representative of the current level as concentrations ‘generally track over time.’” They concluded that the vitamin D and COVID-19 association still remained unclear, and that “whilst deficiency may not be associated with risk of incidence, it may still be associated with risk of severity which this paper does not examine.”

    Not Waiting for the Results

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    In certain countries, governments or medical institutions have begun recommending for citizens to consider taking vitamin D supplements and getting sun exposure.

    The Scottish government updated its guidance on vitamin D on July 29 stating “it is important that people maintain sufficient levels of vitamin D” and that people in high-risk groups should “take a daily supplement.”

    The French National Academy of Medicine (pdf) had already begun stressing the importance of vitamin D against COVID-19 in May. Recommendations the organization made were for anyone under 60 to take a vitamin D supplement of 800 to 1,000 IU immediately after a COVID-19 diagnosis was confirmed. For adults 60 and older with COVID-19, they should receive a vitamin D testing, “and if deficiency is found, a bolus dose of 50,000 to 100,000 IU” is given.

    Dietary supplements are not regulated by the U.S. Food and Drug Association, so they do not need to meet the same strict requirements as medications. To know if you are purchasing a quality supplement, check for a “third-party tested” label on the bottle as well as a USP verification, and choose brands with a good reputation. But it is best to consult with your physician to ensure you are taking the right amount.

    Republished with Permission The Epoch Times    SUBSCRIBE

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    Michael A.
    Michael A.
    3 years ago

    Right, and if you have darker colored skin (more melanin) you suffer more because melanin prevents vitamin D absorption. For instance, if you are African-American and work indoors you are not getting vitamin D, period. You must supplement. That is not to say people with white skin are off the hook, not true. They probably need to supplement as well.

    3 years ago

    There is a significant percentage of adults deficient in Vitamin D. I think it is around 40 percent of adults. There very well could be a link with Covid. And it could explain why the young do not get very sick as they tend to get more sun and have normal vitamin D.

    This is an excellent article and the journal should do more like it. Much better than some of the Covid quackery stuff that shows some of the 0.1 percent of doctors that say Covid is a hoax.

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