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Topic: Cholecalciferol


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In the News (Fri 10 Jul 09)

  
  Vitamins : Cholecalciferol (Vitamin D3)
Cholecalciferol is the most widely known of the vitamin D series and is a fat soluble vitamin that is stored to some degree in the body.
Cholecalciferol is transferred to the liver where it is converted to calcifediol (25-hydroxycholecalciferol), which is then transferred to the kidneys and converted to calcitriol (1,25-dihyroxycholecalciferol, thought to be the most active form) and 24,25-dihydroxycholecalciferol.
Cholecalciferol and ergocalciferol are hydroxylated in the liver by the enzyme vitamin D 25-hydroxylase to form 25-hydroxycholecalciferol (calcifediol) and 25-hydroxyergocalciferol respectively.
www.greatvistachemicals.com /vitamins-vitamin/cholecalciferol-vitamin-d3.html   (764 words)

  
 cholecalciferol-council.com
Cholecalciferol is the naturally occurring form of vitamin D. It is sometimes called vitamin D3.
Cholecalciferol is the naturally occurring form of vitamin D. Whenever I use the term "vitamin D," I am referring to cholecalciferol.
Cholecalciferol is available at most health food stores and on the Internet as 400 or 1,000 unit capsules.
www.cholecalciferol-council.com /pharmocology.shtml   (1448 words)

  
 Cholecalciferol
Cholecalciferol increases the serum calcium concentrations by: increasing GI absorption of phosphorus and calcium, increasing osteoclastic resorption, and increasing distal renal tubular reabsorption of calcium.
Normally, epidermal cells that are exposed to sunlight will produce cholecalciferol which is then bound to a serum vitamin D binding protein and transported to the liver.
In the liver, cholecalciferol is metabolized to 25-hydroxycholecalciferol which is the major form of vitamin D in the circulation.
www.the-piedpiper.co.uk /th15(h).htm   (605 words)

  
 NZPPS paper - Field Evaluations Of Cholecalciferol, Gliftor, And Brodifacoum For The Control Of Brushtail Possums ...   (Site not responding. Last check: 2007-10-11)
Cholecalciferol, gliftor, and brodifacoum were evaluated in bait stations in a series of replicated field trials to assess their efficacy in controlling possums.
Cholecalciferol with or without calcium carbonate, and gliftor together with 0.5% cinnamon oil and 0.02% acid brilliant green dye, were blended into a mixture of ground maize, pollard, and sugar (used by Animal Control Products to manufacture the RS5 Possum Bait).
For cholecalciferol and gliftor 10 - 15 g of bait is lethal to possums.
www.hortnet.co.nz /publications/nzpps/proceedings/94/94_112.htm   (1879 words)

  
 cholecalciferol Drug Information
Vitamin D is important for the absorption of calcium from the stomach and for the functioning of calcium in the body.
Cholecalciferol is used as a dietary supplement to treat and/ or prevent low levels of vitamin D in the body.
Symptoms of a cholecalciferol overdose include irregular heartbeats, abdominal pain, nausea, vomiting, dry mouth, decreased appetite, constipation, weakness, headache, and a metallic taste in the mouth.
www.drugs.com /MTM/cholecalciferol.html   (976 words)

  
 Vit. D Section 3   (Site not responding. Last check: 2007-10-11)
Although this molecule is generally plentiful in skin, reduction with aging can diminish cholecalciferol production, necessitating vitamin D supplementation in the elderly.
Cholecalciferol leaves the dermal cells to be picked up by DBP (vitamin D binding protein) when sites on the protein are available.
Excess vitamin D is toxic, but toxicity can only arise from vitamin supplements; it is not believed that toxicity can arise from ingestion of natural sources of vitamin D. Toxicity from excess vitamin D supplements arises from overproduction of the active metabolite, calcitriol, and its exaggerated effects.
mywebpages.comcast.net /swaneyj/Netrition/VitD/VDp3.htm   (472 words)

  
 Dynamic Chiropractic: New Study Confirms Value of Vitamin D Supplementation in the Adjunctive Treatment of Prostate ...
The good news is that the ingestion of 2,000 IU of vitamin D (cholecalciferol) is nontoxic, and the associated blood level rise in 25-hydroxycholecalciferol resulting from the ingestion of this dosage of vitamin D supplementation, which is usually in the range of 50 nmol/L, is well within normal limits.
The most recent study to investigate the use of cholecalciferol in the treatment of prostate cancer was published in Nutrition and Cancer in 2005, by TCS Woo and fellow researchers.1 In this study, 15 prostate cancer patients were given 2,000 IU (50 ug) of cholecalciferol daily and monitored prospectively every two to three months.
The key aspect of the work presented by TCS Woo and fellow researchers is that the common form of vitamin D (cholecalciferol), which is readily available from retail outlets and other sources, may be the most useful form of vitamin D to use in the prevention and treatment of prostate cancer.
www.findarticles.com /p/articles/mi_qa3987/is_200506/ai_n13642144   (1031 words)

  
 Vitamin D-3 (Cholecalciferol) 400 IU 90 tab | Discount Health Supplements from DrugNatural.com   (Site not responding. Last check: 2007-10-11)
Vitaline supplies vitamin D in the form of cholecalciferol.
Vitamin D supports absorption of calcium and phosphorus supports healthy bone formation.It is also an important cofactor in maintaining proper neurological and cardiological health.
Calcium (as calcium carbonate) 200 mg 20%, Vitamin D (as cholecalciferol) 400 IU 100%.
www.drugnatural.com /p/155560   (197 words)

  
 Light-dependent synthesis of cholecalciferol in a green plant   (Site not responding. Last check: 2007-10-11)
Light-dependent synthesis of cholecalciferol in a green plant
In contrast to the synthesis of ergocalciferol, the vitamin D of plant origin, cholecalciferol synthesis has been considered to be confined to skin lipids of vertebrates.
Recently, however, a metabolite of cholecalciferol, 1,25-dihydrocholecalciferol, previously known to be synthesised only in mammalian and avian kidneys, has been detected in at least two species of Solanaceae
www.nature.com /nature/journal/v283/n5742/abs/283068a0.html   (316 words)

  
 Vitamin D (Cholecalciferol, Calcitriol)   (Site not responding. Last check: 2007-10-11)
, also known as cholecalciferol is generated in the skin of animals when light energy is absorbed by a precursor molecule 7-dehydrocholesterol.
Vitamin D is thus not a true vitamin, because individuals with adequate exposure to sunlight do not require dietary supplementation.
In most cases studied, the effect is to activate transcription, but situations are also known in which vitamin D suppresses transcription.
arbl.cvmbs.colostate.edu /hbooks/pathphys/endocrine/otherendo/vitamind.html   (1029 words)

  
 Cholecalciferol
If you have an allergy to cholecalciferol or any other part of the medicine.
This medicine is used as a dietary supplement in the treatment of vitamin D deficiency or prevention of deficiency.
Cholecalciferol is a form of vitamin D. Vitamin D acts as a hormone in the body.
www.umm.edu /altmed/ConsDrugs/Cholecalciferolcd.html   (483 words)

  
 Cholecalciferol and placental calcium transport.   (Site not responding. Last check: 2007-10-11)
Cholecalciferol and placental calcium transport.No relationship has been shown between 1,25(OH)2D and placental Ca-ATPase in any species.
In the pregnant rat (and perhaps human), 1,25(OH)2D is a critical factor in the maintenance of sufficient maternal calcium for transport to the fetus and may play a role in normal skeletal development of the neonate.
The role of cholecalciferol metabolites, with specific emphasis on 1,25-dihydroxycholecalciferol (1,25(OH)2D), in placental calcium transport and maintenance of the fetomaternal gradient has been extensively investigated.
www.pdg.cnb.uam.es /UniPub/iHOP/gp/5163290.html   (246 words)

  
 British Journal of Pharmacology - Abstract of article: Recovery of impaired K+ channels in mesenteric arteries from ...   (Site not responding. Last check: 2007-10-11)
The mechanism responsible for blood pressure reduction in spontaneously hypertensive rats (SHR) after prolonged cholecalciferol treatment was studied.
The treatment with cholecalciferol also normalized the smooth muscle cell membrane potential of de-endothelialized mesenteric arteries of SHR and their hyperpolarizing responses to
Our results indicate that the hypotensive effect of cholecalciferol in the SHR is probably due to the normalization of vascular reactivity, by restoring the functioning of apamin- and ATP-sensitive K
www.nature.com /bjp/journal/v127/n3/abs/0702581a.html   (374 words)

  
 Vitamin D3: D Max
What is Vitamin D? Vitamin D (cholecalciferol) is a pre-hormone that has long been known for its important role in regulating body levels of calcium and phosphorus, and in mineralization of bone.
In humans, Vitamin D3 (cholecalciferol) is converted from it's basic building block (cholesterol) when ultraviolet light hits Pro-Vitamin D (a squalene metabolite) in the cells of our skin.
It does not occur in humans, is only half as potent as cholecalciferol, has been associated with most of the Vitamin D toxitity cases.
www.vitamin-d-max.com   (1270 words)

  
 Cholecalciferol - Compare Prices, Reviews and Buy at NexTag - Price - Review
Description:Jarrow Formulas Vitamin D3 (cholecalciferol) is from purified fish liver oil and is free of Vitamin A. Rating: No user ratings [rate this item]
Ingredients: Vitamin A (palmitate) 5,000 I.U., beta carotene (pro-vitamin A) 5,000 I.U., vitamin C (calcium ascorbate) 1000 mg., vitamin D3 (cholecalciferol) 400 I.U., vitamin E...
Allergy D (Cholecalciferol) may be used for cancer prevention, chrons disease, epilepsy, high blood pressure, kidney disease, liver disease, osteoporosis, skin ailments, nervous...
www.nextag.com /cholecalciferol/search-html   (332 words)

  
 Bread Fortified with Cholecalciferol Increases the Serum 25-Hydroxyvitamin D Concentration in Women as Effectively as a ...   (Site not responding. Last check: 2007-10-11)
Bread Fortified with Cholecalciferol Increases the Serum 25-Hydroxyvitamin D Concentration in Women as Effectively as a Cholecalciferol Supplement -- Natri et al.
Bread Fortified with Cholecalciferol Increases the Serum 25-Hydroxyvitamin D Concentration in Women as Effectively as a Cholecalciferol Supplement
dispersion of cholecalciferol in bread, and the bioavailability
www.nutrition.org /cgi/content/abstract/136/1/123   (269 words)

  
 Nutrition Research Newsletter: Effect or four monthly oral vitamin [D.sub.3] supplementation on fractures and mortality ...
One capsule containing 100,000 IU vitamin [D.sub.3] (cholecalciferol) or matching placebo was sent by post every four months for five years (15 doses in total).
Participants were asked to take the capsule immediately on receipt, complete a form indicating that they had done so, and return the form.
Effect of four monthly oral vitamin [D.sub.3] (cholecalciferol) supplementation on fractures and mortality in men and women living in the community: randomized double blind controlled trial.
www.findarticles.com /cf_dls/m0887/3_22/99374387/p1/article.jhtml   (702 words)

  
 Nutrition Research Newsletter: Bone mineral loss in men: effects of calcium and cholecalciferol - research at Portland ...
Eighty-six normal white males aged 30 to 87 years were recruited from the Portland community to participate in a randomized, double-blind, placebo-controlled trial of supplementation with calcium (1000 mg/day) and cholecalciferol (25 [micro]g/day), the latter to ensure that 25-(OH)D levels were adequate.
The rate of decline at the vertebral site (2.3%/year) was twice as rapid as that at the radial sites, and was more rapid at all sites than predicted from cross-sectional data.
The administration of calcium or cholecalciferol supplements did not alter the rates of bone loss in this study.
www.findarticles.com /p/articles/mi_m0887/is_n3_v9/ai_8841805   (422 words)

  
 Alendronate and cholecalciferol - Drugs & Vitamins - Drug Library - DrugDigest
Take alendronate; cholecalciferol tablets by mouth in the morning after you have risen for the day.
It is very important to take alendronate; cholecalciferol with a full glass of water (6—8 ounces).
You should make sure you get enough calcium in your diet while you are taking alendronate; cholecalciferol, unless directed otherwise by your health care provider.
www.drugdigest.org /DD/PrintablePages/Monograph/0,7765,8480|,00.html   (959 words)

  
 Vitamin D
Both are similar biochemically, though cholecalciferol is absorbed in the body more rapidly and more completely.
This is a fat-soluble vitamin, and body stores remain higher and longer than for the water-soluble vitamins.
Although this vitamin was formerly measured in International Units (IU), the currently recognized measurement is micrograms (mcg) of cholecalciferol.
www.preventivehealthtoday.com /nutrition/vit_d.html   (711 words)

  
 Effect of four monthly oral vitamin D3 (cholecalciferol) supplementation on fractures and mortality in men and women ...
Effect of four monthly oral vitamin D3 (cholecalciferol) supplementation on fractures and mortality in men and women living in the community: randomised double blind controlled trial -- Trivedi et al.
(cholecalciferol) supplementation on fractures and mortality in men and women living in the community: randomised double blind controlled trial
Contributors: KTK and DPT originated and designed the trial, with help from RD. DPT coordinated the study and managed all aspects of the trial, including conduct and initially blinded data analyses, which were planned and checked with KTK and RD. DPT wrote the paper with KTK and RD. KTK is guarantor for this paper.
bmj.bmjjournals.com /cgi/content/full/326/7387/469   (3816 words)

  
 cholecalciferol (vitamin D3) - Connecticut
Contact your doctor if you experience weakness, headache, nausea and vomiting, dry mouth, abdominal cramps, diarrhea, constipation, a metallic taste in your mouth, increased thirst and/or urination, decreased appetite, or muscle or bone pain.
Cholecalciferol is used as a dietary supplement to treat and/or prevent low levels of vitamin D in the body.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
www.saintfranciscare.com /18405.cfm   (842 words)

  
 Vitamin D3 - Cholecalciferol
Vitamin D3 Vitamin D3 is cholecalciferol, one of the vitamin D family.
One microgram of cholecalciferol has 40 IU of vitamin D activity.
Activated 7-dehydrocholesterol, cholecalciferol, also called activated 7-dehydrocholesterol, cholecalciferol.
www.greatvistachemicals.com /pharmaceutical_intermediates/vitamin_D3.html   (260 words)

  
 Clinical Trial: Arsenic Trioxide and Cholecalciferol (Vitamin D) in Treating Patients With Myelodysplastic Syndromes
Cholecalciferol (vitamin D) may help cancer cells become normal cells.
PURPOSE: This phase II trial is studying how well giving arsenic trioxide together with cholecalciferol (vitamin D) works in treating patients with myelodysplastic syndromes.
Determine the complete response rate and the rate of hematological improvement in patients with myelodysplastic syndromes treated with arsenic trioxide and cholecalciferol (vitamin D).
www.clinicaltrials.gov /ct/show/NCT00104806   (538 words)

  
 Vitamin D and Depression
Forty-four subjects were given 400 IU cholecalciferol, 800 IU cholecalciferol, or placebo for 5 days during late winter in a random double-blind study.
Most recently, a direct correlation was found between 25(OH)D levels and mental health scores in a group of healthy, elderly adults, but 1,000 IU of cholecalciferol did not improve mental health scores of these highly-functional subjects.
We were unable to find any studies in the literature in which patients with depression were treated with enough natural sunlight, artificial sunlight or plain old cholecalciferol to raise their levels to 35ng/ml or higher.
www.cholecalciferol-council.com /major_depression.htm   (1563 words)

  
 Cholecalciferol Use
For detailed chemical information see the chemical detail page.
Top 50 Crops and Sites for for Cholecalciferol use in California in 2003
Regional Use for Cholecalciferol on All Sites in 2003
www.pesticideinfo.org /Detail_ChemUse.jsp?Rec_Id=PC34709   (921 words)

  
 New Drugs - Lexi-Comp, Inc.
No animal data are available for the use of cholecalciferol in pregnancy; however, high-dose ergocalciferol has demonstrated abortifacient properties and aortic abnormalities in rabbits.
Hypersensitivity to alendronate, other bisphosphonates, vitamin D derivatives, or any component of the formulation; hypocalcemia; abnormalities of the esophagus which delay esophageal emptying such as stricture or achalasia; inability to stand or sit upright for at least 30 minutes; malabsorption syndrome; evidence of vitamin D toxicity
Must be taken with plain water first thing in the morning and at least 30 minutes before the first food or beverage of the day.
www.lexi.com /web/content/newdrugs/chapter/mono/newdrugsdisp.jsp?id=hf002087   (539 words)

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