Many people in the United States take vitamin D supplements to protect themselves from various diseases, including diabetes, cancer, and even coronavirus.
Vitamin D is essential for bone health and is produced naturally by the skin in response to sunlight. It can also contain red meat and fish.
The CDC recommends that we all take vitamin D supplements during the winter months when there is less sunlight, but epidemiologist Professor Tim Specter, co-creator of the Joe Covid Study Tracker app, and others say it’s not necessary.
They also say that despite a number of clinical trials on vitamin D for the treatment and prevention of illness, none of them have been of any use to them.
Many people who take vitamin D supplements, but do not agree with the experts, claim that taking vitamin D tablets every day has helped them to get rid of joint pain, bone problems and even mental illness.
For example, one reader commented that “three weeks after taking the supplement I felt much better physically and my depression subsided, so I’ve been taking it ever since.”
Reducing the pain associated with osteoporosis, a debilitating bone condition, seems to be the most frequently reported benefit. Vitamin D helps absorb calcium from food, which is essential for bone growth and development.
Another wrote: “I have osteoporosis, and on the advice of my specialist I have been taking calcium and vitamin D supplements for three years. I also take prescription medications for osteoporosis. Since I’m taking the vitamin, tests have shown that my bone density has started to increase again. “
For 54-year-old Katie Odysseus-Field, a large dose of vitamin D has helped her enjoy five miles of travel in just three months, from being too hard to get out of bed.
During the lockdown, he had severe pain in his legs. Her doctor thought it was a side effect of menopause, but blood tests showed that her vitamin D levels were severely low.
“I was given the maximum dose you can get over the counter, and I saw improvement in a few days. And then one day, about three months later, the pain disappeared. “
Bone and joint health supplement studies have been the subject of inconsistent results.
A study of 81 previous trials in 2018 found that vitamin D supplements could not break or strengthen the bones of people with osteoporosis.
A 2011 study of menopausal women in the United States who took vitamin D found that it had no significant effect on menopausal-related joint pain, while the authors noted that some patients with significantly less vitamin D had little benefit.
Other studies have indicated that for patients with vitamin D deficiency, a supplement increases bone cell turnover and increases bone strength and thickness.
A large number of people also believe that vitamin D boosts immunity and helps the body fight diseases like covid.
Jean Stables of Buckinghamshire has been taking daily doses for several years after he was found to be inadequate in blood tests. He said:
“Before the vaccination, what was it that kept me from getting cod? Probably vitamin D. “
For people like David Bentley, “Vitamin D is an important hormone for optimizing immune system function.”
Dr. John Campbell, a former nurse and well-known YouTube personality, is a medical scholar who agrees.
In a video, a self-described health worker blames the government for its inaction in failing to deliver vitamin D to every UK during the first wave of the epidemic.
According to him: “More recent evidence suggests that the level of vitamin D in the blood may need to be doubled to meet government targets to see the benefits of the immune system.”
Dr. Campbell says that vitamin D receptors are present in the immune system’s fighter cells, which are proteins that react when exposed to nutrients.
He added: “Studies show that this response helps to stimulate the immune response. But if vitamin D is low, the cells will not function properly and the immune system will be weakened.
“This is something we’ve seen with severe covid,” he said, citing research which shows that low levels of vitamin D can impair immunity and target healthy tissues.
“Most people who die from it do so because of an over-response of the immune system to the virus. And studies have shown that patients were deficient in vitamin D.
Other large-scale studies, on the other hand, have found the opposite.
A study of Kovid patients admitted to more than 500,000 hospitals in China, published in October, found no link between vitamin D deficiency and serious illness or mortality and had no effect on that complementary outcome.
“The benefits extend beyond Covid,” commented Dr. Campbell. “There is a correlation between Lower Vitamin D and Multiple Sclerosis (MS), Colorectal Cancer and Breast Cancer.”
Professor Specter agreed in an interview with The Mail on Sunday’s Medical Minefield podcast that one of the diseases where vitamin D treatment could be beneficial is multiple sclerosis, a brain and spinal disorder that can lead to severe disability.
Dr. Campbell warns, however, that there is no evidence that vitamin D pills provide the same benefits as sun exposure.
“There are a lot of episodic reports from patients who feel better after taking vitamin D or see improvement in their symptoms,” he added. “But unfortunately we still do not have enough high-quality data to prove the benefits of supplements.
“I think the reason is that there is no incentive for pharmaceutical companies to do research, because there is little money to be made on vitamin D. A positive discovery is that pharmaceutical firms rarely go to the millions when one can get it from the supermarket for a few bucks. “
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