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Vitamin D Shrinks Fibroid Tumors In Resaerch Study

Vitamin D!!!!!!!!!!!!!

Vitamin D!!!!!!!!!!!!! (Photo credit: BaileyRaeWeaver)

Treatment with vitamin D reduced the size of uterine fibroid tumors in laboratory subjects predisposed to developing the benign tumors, reported researchers funded by the NIH (National Institutes of Health.)

Uterine fibroids are the most common noncancerous tumors in women of childbearing age. Fibroids grow within and around the wall of the uterus. Thirty percent of women 25 to 44 years of age report fibroid-related symptoms, such as lower back pain, heavy vaginal bleeding or painful menstrual periods.

Uterine fibroids also are associated with infertility and such pregnancy complications as miscarriage or preterm labor. Other than surgical removal of the uterus, there are few treatment options for women experiencing severe fibroid-related symptoms and about 200,000 U.S. women undergo the procedure each year.

A recent analysis by NIH scientists estimated that the economic cost of fibroids to the United States, in terms of health care expenses and lost productivity, may exceed $34 billion a year.

Fibroids are three to four times more common in African-American women than in white women. Moreover, African-American women are roughly 10 times more likely to be deficient in vitamin D than are white women. In previous research, the study authors found that vitamin D inhibited the growth of human fibroid cells in laboratory cultures.

“The study results provide a promising new lead in the search for a non-surgical treatment for fibroids that doesn’t affect fertility,” said research scientists from the Reproductive Sciences Branch of the NIH’s Eunice Kennedy Shriver National Institute of Child Health and Human Development, which funded the study.

The findings appeared online in the journal “Biology of Reproduction.”

For the study, the researchers tested the vitamin D treatment on a strain of laboratory subjects genetically predisposed to developing fibroid tumors. After examining the subjects and confirming the presence of fibroids in 12 of them, the researchers divided the subjects into two groups of six each: those that would receive vitamin D and those that would not.

In the first group, small pumps implanted under the skin delivered a continuous dose of vitamin D for three weeks. The researchers then examined the subjects in both groups.

Fibroids increased in size in the untreated subjects, but, in the subjects receiving vitamin D, the tumors had shrunk dramatically. On average, uterine fibroids in the group receiving vitamin D were 75 percent smaller than those in the untreated group.

 

The amount of vitamin D the subjects received each day was equivalent to a human dose of roughly 1,400 international units.

The recommended amount of vitamin D for teens and adults age 70 and under is 600 units daily, although up to 4,000 units is considered safe for children over age 9, adults, and for pregnant and breast-feeding females.

“Additional research is needed to confirm vitamin D as a potential treatment for women with uterine fibroids,” said the scientists. “But it is also an essential nutrient for the health of muscle, bone and the immune system, and it is important for everyone to receive an adequate amount of the vitamin.”

Vitamin D is  produced when ultraviolet rays from sunlight reach the skin. Fatty fish such as salmon, mackerel and tuna are the best natural food sources of the vitamin. Supplements are often recommended because very few foods naturally contain vitamin D. Fortified milk and other fortified foods are the most common to provide an additional source.

Story Source: NIH / National Institute of Child Health and Human Development.

Journal Reference: 1,25-Dihydroxyvitamin D3 Treatment Shrinks Uterine Leiomyoma Tumors. Biology of Reproduction, 2012;

 

This article is for informational and educational purposes only;  It is not intended to provide medical advice, diagnosis or treatment.  Consult your doctor or healthcare professional.

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