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Category Archive for 'Vitamin D'

The Institute of Medicine (IOM) recently released their assessment of current data on health outcomes as they related to calcium and vitamin D after being commissioned by the U.S. and Canadian governments. The new reference values, expressed Dietary Reference Intakes (DRIs), are based on an abundance of information and higher quality published studies than were […]

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Reference: Anderson L, Cotterchio M, Vieth R, Knight J. Vitamin D and calcium intakes and breast cancer risk I npre- and postmenopausal women. Am J Clin Nutr 2010; 91(6): 1699-1701. A recent study on vitamin D and breast cancer risk was published that once  again points the way to vitamin D as a safe and […]

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This prospective study of 512 women with early breast cancer evaluated the role of serum vitamin D levels as a potential factor influencing breast cancer prognosis. The average age was 50 and the average vitamin D levels was 58.1 nmol/L. Vitamin D levels were deficient (<50 nmol/L) in 192 women, insufficient (50 to 72 nmol/L) […]

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An association between vitamin D deficiency and many mood disorders has been suggested in several studies. These associations include major depressive disorder, seasonal affective disorder (SAD), premenstrual syndrome and other depressive disorders. Peer-reviewed research studies were located in various data-bases searching for studies investigating vitamin D and depression, seasonal affective disorder, PMS, postpartum depression, perinatal […]

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1739 offspring (Caucasian) of the original Framingham Heart Study were eligible for the Framingham Offspring Cohort.  Mean age was 59 years, 55% were women (947) were without prior cardiovascular disease.  25-hydroxyvitamin D levels were measured and deficiency groups were identified as < 15 ng/mL and < 10 ng/mL. 28% of individuals had levels < 15 […]

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36,282 postmenopausal women were enrolled in a Women’s Health Initiative clinical trial to determine the effects of calcium and vitamin D on the incidence of hip fracture. Invasive breast cancer was a secondary outcome measure. Patients were randomly assigned to 1000 mg of calcium with 400 IU of vitamin D3 daily, or placebo for an […]

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As the saying goes, you usually get what you pay for. But just so you know what you’re paying for, multivitamin-mineral supplements vary in four basic ways: ingredients potency quality manufacturing process In general, however, basic mass-market multiples are often sold at a lower price because they are inferior in one or more of those […]

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Vitamin D deficiency is a very common problem in the U.S., and especially in an aging population. Older individuals are at greater risk for deficiency because aging lowers the amount of 7-dehydrochlesterol in the skin and thus lowers the ability to produce vitamin D, as well as lower absorption. Most of our vitamin D comes […]

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