
Vitamin D protects against colorectal cancer by boosting the immune system Shuji Ogino, MD, PhD, MS A new study by Dana-Farber Cancer Institute investigators demonstrates that vitamin D can protect some people with colorectal cancer by perking up the immune system’s vigilance against tumor cells.
Can vitamin D help prevent colorectal cancer?
Jun 14, 2018. A study by an international group of researchers from organizations including the American Cancer Society finds that higher levels of vitamin D in the blood is associated with a lower risk for getting colorectal cancer.
Is vitamin D receptor expression associated with colon cancer in ulcerative colitis?
Wada K, Tanaka H, Maeda K, et al. Vitamin D receptor expression is associated with colon cancer in ulcerative colitis. Oncology reports. 2009;22:1021–1025.
Which cancers are associated with vitamin D?
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).
What is the role of vitamin D in the body?
Vitamin D is the name given to a group of fat-soluble prohormones (substances that usually have little hormonal activity by themselves but that the body can turn into hormones). Vitamin D helps the body use calcium and phosphorus to make strong bones and teeth.
See more

How does vitamin D help prevent colon cancer?
Vitamin D and its analogues reduce the growth of colon cancer xenografts and inhibit tumorigenesis in several genetic models of intestinal cancer.
How does vitamin D help colon health?
Several studies have shown that people who have higher levels of serum vitamin D have lower rates of colorectal cancer. Vitamin D is a fat soluble vitamin that aids in the absorption of nutrients, promotes immune function, and maintains cell communication throughout the body.
Can vitamin D sufficiency improve survival of colorectal cancer patients?
Conclusions: Higher serum 25(OH)D was associated with lower mortality of patients with colorectal cancer. These results suggest that colorectal cancer patients with deficient levels of serum 25(OH)D should have their levels restored to a normal range (30-80ng/ml).
Does vitamin D and Sun reduce chance of colon cancer?
The strong inverse association of sunlight and colon cancer raises the possibility that vitamin D, which prevents rickets, may also act in the prevention of colon cancer.
Does vitamin D help prevent colon polyps?
Consuming higher amounts of vitamin D — mainly from dietary sources — may help protect against developing young-onset colorectal cancer or precancerous colon polyps, according to the first study to show such an association.
What cancers are linked to vitamin D deficiency?
A vitamin D deficiency has also been documented in patients with prostate cancer, ovarian cancer, as well as multiple myeloma. Larger randomized clinical trials should be undertaken in humans to establish the role of vitamin D supplementation in the prevention of these cancers.
What vitamins help colorectal cancer?
Diets high in n-3 fatty acids, dietary fibre, folate, vitamin D, calcium and polyphenols may protect against colorectal cancer and colorectal adenoma formation.
What vitamins help with colon cancer?
Folic Acid and B Vitamins may also aid in colon cancer prevention. Recent research suggests a deficiency in folic acid has been linked to cancer. Omega-3 Polyunsaturated Fatty Acids-Omega-3 PUFA's are healthy fatty acids and may be linked to colon cancer prevention. They are predominantly found in fish and nuts.
Does vitamin D Help with chemotherapy?
Study: Vitamin D can reduce side effects associated with chemotherapy. As many cancer patients will confirm, the chemotherapy prescribed to kill the disease is often more debilitating than the cancer itself, with a range of horrendous side effects.
Can vitamin D cause colon polyps?
Share on Pinterest It was found that taking calcium supplements, with and without vitamin D, may increase the risk of polyps in the colon or rectum. The data came from a randomized clinical trial that tested the use of calcium and vitamin D supplements to prevent colorectal polyps.
How much Vit D should you take a day?
The recommended daily amount of vitamin D is 400 international units (IU) for children up to age 12 months, 600 IU for people ages 1 to 70 years, and 800 IU for people over 70 years.
Does magnesium prevent colon cancer?
Magnesium supplementation has been demonstrated to reduce the incidence of experimentally induced colon cancer in animals,2,3 which might be related to a decrease in colonic epithelial cell proliferation.
Which cancers are most likely to be diagnosed with vitamin D?
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 ). In contrast, the Women’s Health Initiative randomized trial found ...
What is vitamin D?
Vitamin D is the name given to a group of fat- soluble prohormones (substances that usually have little hormonal activity by themselves but that the body can turn into hormones ). Vitamin D helps the body use calcium and phosphorus to make strong bones and teeth. Skin exposed to sunshine can make vitamin D, and vitamin D can also be obtained ...
What is the vitamin D that is found in the skin?
Skin exposed to sunshine can make vitamin D, and vitamin D can also be obtained from certain foods. Vitamin D deficiency can cause a weakening of the bones that is called rickets in children and osteomalacia in adults. Two major forms of vitamin D that are important to humans are vitamin D 2, or ergocalciferol, and vitamin D 3, or cholecalciferol.
How to determine vitamin D levels?
The most accurate method of evaluating a person’s vitamin D status is to measure the level of 25-hydroxyvitamin D in the blood. Most people get at least some of the vitamin D they need through sunlight exposure. Dietary sources include a few foods that naturally contain vitamin D, such as fatty fish, fish liver oil, and eggs.
What is the Vital trial?
The Vitamin D and Omega-3 Trial ( VITAL) will examine whether vitamin D supplements can prevent the development of a variety of cancer types in healthy older men and women ( 15 ). The organizers of VITAL expect to recruit 20,000 participants and complete the trial by June 2016. Researchers are also beginning to study vitamin D analogs -- chemicals ...
How much IU is recommended for a 71 year old?
For those 71 years or older, the RDA is 20 μg per day (800 IU per day).
Where does vitamin D come from?
Dietary sources include a few foods that naturally contain vitamin D, such as fatty fish , fish liver oil , and eggs. However, most dietary vitamin D comes from foods fortified with vitamin D , such as milk, juices, and breakfast cereals. Vitamin D can also be obtained through dietary supplements. The Institute of Medicine (IOM) ...
Why were participants tested for vitamin D levels in their blood before diagnosis?
Often, this measure was taken when they initially joined the study. They became part of the new analysis because they developed colorectal cancer. Another group was matched to the study group by age, race and date of blood draw.
What is the best diet for colorectal cancer screening?
Eating a healthy diet low in red meat and processed meat, and high in dietary fiber, including whole grains, vegetables, and fruits. Following guidelines for colorectal cancer screening. Adopting healthy lifestyle habits can also lower your risk for other diseases including heart disease and type 2 diabetes. Reviewed by.
What foods contain vitamin D?
These include fatty fish such as salmon, trout, sword fish, and tuna. Eggs and mushrooms also contain small amounts of vitamin D. Milk, including soy and almond milk, is fortified with Vitamin D.
When was the Vitamin D pooling project published?
Circulating Vitamin D and Colorectal Cancer Risk: An International Pooling Project of 17 Cohorts. Published June 14, 2018 in the Journal of the National Cancer Institute. First author Marjorie L. McCullough, ScD, RD, American Cancer Society, Atlanta, Ga.
Is vitamin D good for bones?
Vitamin D has long been known to be needed for bone health. Participants in the study were considered to have enough levels of vitamin D in their blood if they met the National Academy of Medicine (NAM) suggested levels of circulating vitamin D based on evidence for maintaining healthy bones.
Can you get vitamin D from the sun?
People can get vitamin D from their diet, from supplements, and from the sun. However, staying out in the sun without protection exposes people to harmful UV rays, which is a strong risk factor for skin cancer. And getting too much vitamin D, for example, from taking very high doses of supplements, can be harmful.
Do you need to take vitamin D if you take calcium?
Many calcium supplements contain vitamin D. The study does not suggest that high dose supplements are needed and does not suggest that most people need to have their vitamin D levels checked.
