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Vitamin D and its effect on weight loss examined in new study

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A new study published online April 18 in the  American Journal of Clinical Nutrition  suggests that healthy or “replete” levels of vitamin D may be associated with weight loss in a certain segment of postmenopausal overweight women. source Scientists at Fred Hutchinson Cancer Research Center looked at the results of Vitamin D supplementation on a group of overweight women ages 50 to 75 who tested low in D. The research was conducted as part of the Vitamin D, Diet and Activity study at the Hutch. Vitamin D has multiple physiologic functions beyond its classically recognized role in calcium homeostasis and bone metabolism. Vitamin D receptors are found in more than 30 cell types and the focus has recently switched from bone health to vitamin D’s effect on cancer, cardiovascular health, and other areas, such as weight loss . “Vitamin D is certainly having its day in the spotlight,” said Dr. Caitlin Mason, researcher at the Hutch’s Public Health Sciences who w...

Vitamin K and Weight Loss

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Vitamin K is a fat-soluble vitamin that's perhaps best known for helping blood clot properly and promoting healthy bones. Weight loss is not mentioned as a potential effect of vitamin K by Medline Plus, a website published by the National Institutes of Health. However, foods rich in vitamin K are typically part of a healthy weight loss plan . Considerations Vitamin K supplements are recommended only for people who have symptoms of a deficiency, the American Cancer Society explains. Abnormal or excessive bleeding or blood in the urine or stools can be a sign of insufficient levels of vitamin K in the body. Alcoholism, ongoing malnutrition or intestinal disorders such as cystic fibrosis can lead to a vitamin K deficiency because they can destroy the bacteria that produce vitamin K. Long-term antibiotic treatment can also rob the body of vitamin K. Healthy Weight Loss Little evidence exists to support claims that taking dietary supplements will result in weight loss. Changes in both...