Vitamin
Vitamin
World Aids Day videos...project with the Guardian, photographer Gideon Mendel travels to Kenya to ask young people with HIV what it means to them How vitamin entrepreneur Matthias Rath persuaded South African Aids patients to stop taking their prescribed drugs... In this article: World AIDS Day, Vitamin, HIV, and Kenya |
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AP Online | 1 day ago
Flu season, ailing economy aiding Mich. drug maker
...Ltd. for $818 million in 2005. Perrigo also has grown at home. In September 2008, the company agreed to pay $44 million for drug and vitamin maker JB Laboratories Inc. of Holland. A month later, Perrigo announced a $25 million plant...
In this article: Perrigo Co, Michigan, Revenue, United States, and Cough
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St. Petersburg Times | 3 days ago
Santas' wish: no swine flu
...Bearded Santas, a trade group, featured a seminar on swine flu at a recent conference in Philadelphia. It urged members to take vitamins and use hand sanitizer. The 200 or so Saint Nicks who volunteer to visit sick or grieving children...
In this article: Saint Nick and Centers for Disease Control
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WebMD | 3 days ago
Herbs, Vitamins, and Supplements Used to Enhance Mood
This content is selected and controlled by WebMD's editorial staff and is funded by GNC. Herbs, Vitamins, and Supplements Used to Enhance Mood Some supplements reportedly boost mood -- but what does the evidence show for mood...
In this article: Depression, Vitamins, Vitamin D, Mood disorder, B vitamins, Anxiety, St. John's wort, and Biophysics
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New Kerala | 4 days ago
Genetic defect linked to vitamin A deficiency in women
However, University of Newcastle team has identified a genetic variation that blocks the ability beta-carotene to produce vitamin A. "Vitamin A is very important, particularly now when we are all trying to fight off winter colds and...
In this article: University of Newcastle, Genetic defect, Daily Express, and London
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Fox News | 4 days ago
Vitamin D for Everything from A to Z
...like diabetes, fibromyalgia, psoriasis, and schizophrenia. The interesting thing about it - Vitamin D isn't a vitamin at all. "Vitamin D is not a vitamin - it's a misnomer. It's not really a nutrient either. Vitamin D is a hormone that...
In this article: Vitamin D, Multiple sclerosis, Depression, Vitamin D3, Cancer, and Psoriasis
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AP Online | 4 days ago
Better not cough: Santas lobby for swine flu shots
...a seminar on the illness at a recent conference in Philadelphia. The group also urged its members to use hand sanitizer and take vitamins to boost their immune systems. The president of the organization said he also hopes parents will keep...
In this article: Obesity, New Hampshire, Cough, Asthma, and Dartmouth College
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ChicagoNow | 4 days ago
Hey cheater! Coupons and deals from this weeks Tribune!
...about the way you look. Don't show up like a hot mess! Jewel-Osco has 25% off of Loreal Cosmetics, 33% off of Nature's Bounty Vitamins (I love taking fish oil for my skin, Yup seriously!) They also have Loreal excellence hair color...
In this article: Gillette, Coupons, Vitamins, Chicago Tribune, Jewel-Osco, Loreal, and Walgreens
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OrlandoSentinel.com - Florida News | 6 days ago
Magic's Gortat may miss Monday game with illness
...positive for an elevated level of testosterone after taking what he said was an over the counter supplement, said he doesn't take any vitamin, supplement or medication without first taking it to the Magic's trainer and having him clear it.
In this article: Orlando Magic, Stan Van Gundy, Jameer Nelson, Matt Barnes, Testosterone, Marcin Gortat, and Charlotte Bobcats
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San Antonio News | November 09, 2009
Vitamins tied to tumors?
...told him not to take any vitamins because they feed the cancerous tumor. So he threw away all his vitamins. Is this true, that vitamins cause a tumor to grow? Can this type of tumor be removed by laser? A : According to the National...
In this article: Surgery, Pancreatic cancer, and Vitamin D
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ABC | November 06, 2009
Are You Getting The Most From Your Vitamins?
...takes your white blood cell and watches those cells over a weekaEURâ„¢s time with each of those 32 vitamins, minerals, antioxidants and watches how the vitamins move in and out of the cells. The results come back in a couple of weeks and...
In this article: Fort Hood, Taylor Lautner, Chris Brown, Rihanna, and Antioxidant
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Description from Wikipedia:
A vitamin is an organic compound required as a nutrient in tiny amounts by an organism. A compound is called a vitamin when it cannot be synthesized in sufficient quantities by an organism, and must be obtained from the diet. Thus, the term is conditional both on the circumstances and the particular organism. For example, ascorbic acid functions as vitamin C for some animals but not others, and vitamins D and K are required in the human diet only in certain circumstances. The term vitamin does not include other essential nutrients such as dietary minerals, essential fatty acids, or essential amino acids, nor does it encompass the large number of other nutrients that promote health but are otherwise required less often.
Vitamins are classified by their biological and chemical activity, not their structure. Thus, each "vitamin" may refer to several vitamer compounds that all show the biological activity associated with a particular vitamin. Such a set of chemicals are grouped under an alphabetized vitamin "generic descriptor" title, such as "vitamin A," which includes the compounds retinal, retinol, and many carotenoids. Vitamers are often inter-converted in the body.
Until the 1900s, vitamins were obtained solely through food intake, and changes in diet (which, for example, could occur during a particular growing season) can alter the types and amounts of vitamins ingested. Vitamins have been produced as commodity chemicals and made widely available as inexpensive pills for several decades, allowing supplementation of the dietary intake.
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