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News Related to Vitamins and Supplements

  1. Is Workout Supplement Ingredient DMAA Safe?

    May 7, 2012 -- About one week after the FDA asked 10 manufacturers to provide safety information on DMAA, a speed-like ingredient found in some supplements, a Harvard researcher is calling for an out-and-out ban on DMAA. DMAA, short for dimethylamylamine, is popular among people looking to build the

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  2. Can Supplements Increase a Woman’s Risk of Dying?

    Oct. 10, 2011 -- Some of the supplements that older women take to improve their health may actually raise their risk of death. In a new study, multivitamins, folic acid, iron, copper, magnesium, zinc, and vitamin B6 supplements all increased an older woman’s risk of dying from any cause. The greates

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  3. Most Americans Get Enough Vitamin D

    March 30, 2011 -- Two-thirds of Americans are getting enough vitamin D, according to a new analysis by researchers from the National Center for Health Statistics. Vitamin D is often called the "sunshine vitamin" because our bodies make it when exposed to sunlight. It is found in some fatty fish such

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  4. Obesity Linked to Lower Vitamin D Levels

    Dec. 17, 2010 -- New research adds to the evidence linking obesity with lower levels of vitamin D, and the finding could help explain why carrying extra pounds raises the risk for a wide range of diseases, researchers say. The study suggests that people who are obese may be less able to convert vita

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  5. Genes May Play a Role in Vitamin D Deficiency

    June 9, 2010 -- Having too little vitamin D may not be due solely to diet or lack of sunlight, but may be due to your genes. An international consortium of researchers and doctors has identified four gene variants that may play a role in vitamin D deficiency, a condition which may affect up to half

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  6. Flawed Results on Some Vitamin D Tests

    Jan. 8, 2009 -- Quest Diagnostics, a company that performs lab tests for patients nationwide, says some of the vitamin D tests it conducted in 2007 and part of 2008 yielded incorrect results. Quest Diagnostics has already sent letters to the doctors of the patients with suspicious results on their v

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  7. Shedding Light on Herbal Supplements

    Aug. 28, 2000 -- As herbal supplements have grown into a multibillion dollar industry in the last few years, medical science has struggled to keep up, leaving many consumers and health care professionals with more questions than answers about the safety and effectiveness of these products. Now, priv

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  8. Training Guru Blames Supplement for Baseball Team's Woes.

    June 8, 2000 (Cleveland) -- When the Cleveland Indians' usually red-hot right fielder, Manny Ramirez, pulled up limping just a third of the way to first base during a Memorial Day match-up with the Anaheim Angels, all of Cleveland sighed, "Not again." Faced with several key players on the disabled l

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  9. Ginseng May Enhance Immune Function

    June 5, 2000 -- Stop before you pop that ginseng tablet if you're taking it to boost physical endurance. Ginseng seems to enhance certain components of the immune system, but claims that it boosts physical endurance in healthy people do not hold up, according to researchers at the University of Illi

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