Can vitamin D supplements cause cancer?
‘ It gets even more confusing if you read the read the Cochrane review on Vitamin D supplementation for prevention of cancer in adults. This review concludes there is no firm evidence that vitamin D supplementation decreases or increases cancer occurrence in predominantly elderly community-dwelling women.
Does high vitamin D mean cancer?
Specifically, the researchers found that high vitamin D levels were linked with an increased risk of skin, prostate and blood cancers, and a decreased risk of lung cancer.
Does vitamin D cause skin cancer?
Key findings. We found that people who have high levels of vitamin D in their blood, have an increased risk of two skin cancer types, namely basal cell carcinoma (the most common type of skin cancer) and melanoma (the most dangerous type of skin cancer).
Is Lack of vitamin D linked to cancer?
Oct. 4, 2011 (Miami Beach, Fla.) — More than three-fourths of people with a variety of cancers have low levels of vitamin D, and the lowest levels are associated with more advanced cancers, a new study suggests.
What cancer does vitamin D prevent?
The cancers for which the most human data are available are colorectal, breast, prostate, and pancreatic cancer. Numerous epidemiologic studies have shown that higher intake or blood levels of vitamin D are associated with a reduced risk of colorectal cancer (7-10).
Is it bad to be low on vitamin D?
Newer studies suggest low levels of vitamin D can be linked to numerous health problems including diabetes, pain in your muscles and bones, high blood pressure, multiple sclerosis and even some types of cancer. Studies of children receiving vitamin D supplements during the winter suggest a reduced risk of Influenza A.
What types of cancers can vitamin D reduce?
Does vitamin D Help melanoma?
Some studies report that normal levels of vitamin D 3 at the time of diagnosis are associated with a better prognosis in patients with melanoma. High circulating vitamin D concentration has been found to be associated with reduced melanoma progression and improved survival.
Does vitamin D cause pancreatic cancer?
Although recent prospective epidemiologic studies of higher predicted vitamin D status score and vitamin D intake and pancreatic cancer risk suggest protective associations, a nested case-control study showed a significant 3-fold increased risk for pancreatic cancer with higher vitamin D status.
How much vitamin D should you take if you have cancer?
There was a very nice study was done from the Nurses’ Health Study that showed that nurses that had, on average, blood levels of 48 nanograms per milliliter, so around 50 nanograms per milliliter-that would require you to take about 3,000–5,000 units of vitamin D per day-reduced their risk of developing breast cancer …
Is there a link between vitamin D and cancer?
Past research has also linked higher vitamin D levels at the time of a cancer diagnosis to longer survival, according to the study authors. But if vitamin D is linked to a lower risk of advanced cancers, the question is, why did overweight and obese participants not see the same results as the normal-weight participants?
Is it possible to prevent cancer with vitamin D3?
And, he added, that if diet and supplements restore appropriate levels of vitamin D, the development of cancer might be prevented. According to Dr. Garland, vitamin D levels can be easily increased, if needed, by modest supplementation with vitamin D3 in the range of 2000 IU/day.
What are the risks of high vitamin D levels?
A new study from Denmark finds that high levels of vitamin D in the blood are linked with an increased risk of some cancers — but a decreased risk of others. Specifically, the researchers found that high vitamin D levels were linked with an increased risk of skin, prostate and blood cancers, and a decreased risk of lung cancer.
Why is more vitamin D not always a good thing?
More may not always be better when it comes to vitamin D. A new study from Denmark finds that high levels of vitamin D in the blood are linked with an increased risk of some cancers — but a decreased risk of others.
