While headlines in the past two weeks warned consumers that calcium supplementation could increase the risk of cardiovascular disease, authors of the study that prompted those headlines — published last month in the peer-reviewed journal Heart — identified four significant confounding factors in the design of the study.
Older adults who don’t get enough vitamin D — either from diet, supplements or sun exposure — may be at increased risk of developing mobility limitations and disability, according to new research from Wake Forest Baptist Medical Center released Tuesday.
Overall, the U.S. population has good levels of vitamin A and folate in the body, but some groups still need to increase their levels of vitamin D and iron, according to the "Second National Report on Biochemical Indicators of Diet and Nutrition," released Monday by the Centers for Disease Control and Prevention.
Vitamin D deficiency or insufficiency may be even more common than previously thought and a risk factor for more than just bone diseases, according to new research published Friday in the American Chemical Society journal Analytical Chemistry.
A study published online earlier this month by the American Journal of Cardiology concluded that supplementation with vitamin D conferred substantial survival benefits, specifically in patients with documented deficiency.
Vitamin D has been one of the fastest-growing segments in the VMS market since 2010, a factor that has been in step with the number of positive clinical studies establishing the need for vitamin D supplementation.
More than three-quarters of cancer patients have insufficient levels of vitamin D, and the lowest levels are associated with more advanced cancer, according to a study presented Oct. 2 at the 53rd Annual Meeting of the American Society for Radiation Oncology.
People taking oral steroids are twice as likely as the general population to have severe vitamin D deficiency, according to a study of more than 31,000 children and adults by scientists at Albert Einstein College of Medicine of Yeshiva University released last week.
Vitamin D deficiency may increase the chance of muscle injuries in elite athletes, specifically NFL football players, suggested a recent study presented last week at the American Orthopaedic Society for Sports Medicine’s annual meeting.
Physician’s Preference, Vitamins and Supplements wellness experts on Wednesday announced an initiative to educate Americans on the importance of obtaining optimal vitamin D status — as the “sunshine vitamin” is coupled with numerous health benefits — by setting the facts straight about sunscreen use and offering quick tips for increasing one’s vitamin D level.
A survey for Vitamin Shoppe found that 60% of Americans currently take a vitamin or supplement. Of those who take vitamins, more than 70% of respondents said they feel more confident about their health when they are taking a vitamin. Multivitamins are the most popular supplements, with 75% of respondents taking a multivitamin regularly.
The vitamin D category continues to grow. Category leader Nature Made from Pharmavite is on the cusp of launching a host of new products, including a Super D-Complex with magnesium, vitamin D chewable tablets and vitamin D with vitamin C and zinc.
There is really no one factor driving sales of supplements today; there are a lot of factors. Consumer awareness and positive perception is on an upward trajectory, thanks in part to a number of published studies establishing the health benefit and need for supplements like vitamin D. The recession also has fostered consumer gravitation toward more self-care solutions.
Overweight or obese women who have less-than-optimal levels of vitamin D and lose more than 15% of their body weight experience significant increases in circulating levels of this fat-soluble nutrient, according to a study released last week by researchers at Fred Hutchinson Cancer Research Center.
Two associations representing dietary supplement companies criticized a British Medical Journal meta-analysis published April 20 that concluded calcium and vitamin D supplementation may increase risk of heart attack and stroke.
Calcium causes heart attacks! Vitamin E kills! Vitamin D makes your eyeballs explode! OK, the last headline was just made up, but these are the kind of B-movie headlines many of these inaccurate meta-analyses generate, especially across the dietary supplement industry.