Skip to content

    Osteoporosis Health Center

    Font Size
    A
    A
    A

    Vitamin C: Good for Your Bones

    Vitamin C linked to Reduced Bone Loss in Older Men
    By
    WebMD Health News
    Reviewed by Louise Chang, MD

    Sept. 19, 2008 -- A high intake of vitamin C may help reduce bone loss, at least in elderly men, according to a new study.

    "Vitamin C had an effect on the [bone density of] hips in men, but it didn't have an effect on women," says Katherine L. Tucker, PhD, a senior scientist at the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University and senior author of the study. It is published in the Journal of Nutrition.

    Vitamin C and Bones: Background

    For years, researchers have known that vitamin C is needed for normal bone development and for the formation of collagen, the fibrous protein part of bone, cartilage, and other structures.

    But few studies have looked at the relationship between vitamin C intake from food and supplements and bone density, Tucker says.

    Vitamin C is an antioxidant vitamin and reduces oxidative stress, which has a negative effect on all cells in the body, she says. "Antioxidants are needed to protect against oxidative stress, therefore protecting against inflammation. Inflammation drives bone resorption, which is basically taking calcium away from the bones. Vitamin C, theoretically, should help slow that resorption."

    Vitamin C and Bones: Study Detail

    Tucker and her colleagues evaluated the bone density of 213 men and 393 women, average age 75 at the start, over a four-year period to see what association their vitamin C intake had with their bones.

    The participants were part of the long-running Framingham Osteoporosis study. The researchers looked at a diet questionnaire given to participants in 1988 or 1989 and again four years later. They evaluated the change in bone density in the hips, spine, and arm over the follow-up. Besides looking at their vitamin C and vitamin E intake, they took into account whether participants smoked and whether the women were on hormone replacement therapy.

    Vitamin C and Bones: Study Results

    Men with the highest vitamin C intake had the least bone loss in the hip. A similar finding in women was not significant, Tucker says.

    The effect became most significant, she says, at the highest level, about 314 milligrams of vitamin C daily from supplements and food. The recommended intake is 75 milligrams daily for women and 90 milligrams daily for men.

    Today on WebMD

    Women working out and walking with weights
    Reduce bone loss and build stronger muscles.
    Chinese cabbage
    Calcium-rich foods to add to your diet.
     
    woman stretching
    Get the facts on osteoporosis.
    Porous bone
    Causes, symptoms, risk factors, and treatment.
     
    senior woman
    Article
    Woman holding plate of brocolli
    Article
     
    wrist xray
    Quiz
    Superfood for Bones
    Slideshow
     
    mature woman
    Article
    sunlight in hands
    Article
     
    man and woman in front of xray
    Quiz
    woman with dumbbells
    Article