{"id":527476,"date":"2026-03-16T20:41:14","date_gmt":"2026-03-16T20:41:14","guid":{"rendered":"https:\/\/www.newsbeep.com\/us\/527476\/"},"modified":"2026-03-16T20:41:14","modified_gmt":"2026-03-16T20:41:14","slug":"common-vitamin-could-bring-relief-from-long-covid-symptoms-study-suggests","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/us\/527476\/","title":{"rendered":"Common vitamin could bring relief from long COVID symptoms, study suggests"},"content":{"rendered":"

Vitamin D supplements<\/a> may offer researchers a new clue about lingering COVID symptoms that persist after infection, according to a new study.<\/p>\n

Researchers at Mass General Brigham examined whether high doses of vitamin D could influence COVID-19 outcomes, including the risk of developing long COVID, a condition in which symptoms such as fatigue, shortness of breath and brain fog continue weeks or months after the initial infection.<\/p>\n

The findings were published in The Journal of Nutrition.<\/p>\n

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The randomized clinical trial included 1,747 adults who had recently tested positive for COVID-19, along with 277 members of their households. Participants were assigned to receive either vitamin D3 supplements or a placebo for four weeks.<\/p>\n

\"Person<\/p>\n

A new study suggests vitamin D may help researchers better understand and possibly prevent long COVID.<\/p>\n

(iStock)<\/p>\n

Dr. JoAnn Manson, senior author of the study and a physician at Mass General Brigham, told Fox News Digital that the results point to a possible benefit related to long-term symptoms.<\/p>\n

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“A key takeaway is that vitamin D supplementation looks promising for reducing the risk of developing long COVID but does not appear to affect the severity of the acute infection,” Manson said.<\/p>\n

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Researchers found that vitamin D supplementation did not significantly change short-term outcomes such as symptom severity<\/a>, hospital visits or emergency care.<\/p>\n

The study also showed no difference between the vitamin D and placebo groups in the likelihood that household contacts would contract the virus.<\/p>\n

\"Middle-aged<\/p>\n

Long COVID is a condition where symptoms like fatigue, shortness of breath, and brain fog last for weeks or months after the initial infection.<\/p>\n

However, when researchers analyzed participants who closely followed the supplement regimen, they observed a possible difference in lingering symptoms.<\/p>\n

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About 21% of participants who took vitamin D reported at least one ongoing symptom eight weeks after infection, compared with 25% of those who received a placebo.<\/p>\n

“There\u2019s been tremendous interest in whether vitamin D supplements can be of benefit in COVID, and this is one of the largest and most rigorous randomized trials on the subject,” Manson said in the press release.<\/p>\n

“While we didn\u2019t find that high-dose vitamin D reduced COVID severity or hospitalizations, we observed a promising signal for long COVID that merits additional research,” she added.<\/p>\n

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Manson said vitamin D may influence longer-term complications because the nutrient plays a role in regulating inflammation in the body.<\/p>\n

\"Researchers<\/p>\n

Researchers say vitamin D may affect inflammation in the body, which could play a role in long COVID symptoms.<\/p>\n

The researchers noted several limitations in the trial. The study had to be conducted remotely during the pandemic, and participants began taking vitamin D several days after their COVID diagnosis.<\/p>\n

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Ideally, Manson said, supplementation would begin before infection or immediately after diagnosis.<\/p>\n

She added that larger studies will be needed to confirm whether vitamin D could reduce the risk or severity of long COVID symptoms.<\/p>\n

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Researchers are planning additional trials to examine whether vitamin D supplementation may help treat people already experiencing long COVID.<\/p>\n

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