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CholecalciferolThis page contains recent news articles, when available, and an overview of Cholecalciferol but does not offer medical advice. You should contact your physician with regard to any health issues or concerns.Overview: Cholecalciferol (when available) Vitamin D3 is a steroid hormone that has long been known for its important role in regulating body levels of calcium and phosphorus, in mineralization of bone, and for the assimilation of Vitamin A. The classical manifestations of vitamin D deficiency is rickets, which is seen in children and results in bony deformaties including bowed long bones. Deficiency in adults leads to the disease osteomalacia. Both rickets and osteomalacia reflect impaired mineralization of newly synthesized bone matrix, and usually result from a combination of inadequate exposure to sunlight and decreased dietary intake of vitamin D. Common causes of vitamin D deficiency include genetic defects in the vitamin D receptor, severe liver or kidney disease, and insufficient exposure to sunlight. Vitamin D plays an important role in maintaining calcium balance and in the regulation of parathyroid hormone (PTH). It promotes renal reabsorption of calcium, increases intestinal absorption of calcium and phosphorus, and increases calcium and phosphorus mobilization from bone to plasma. Used to treat vitamin D deficiency or insufficiency, refractory rickets (vitamin D resistant rickets), familial hypophosphatemia and hypoparathyroidism, and in the management of hypocalcemia and renal osteodystrophy in patients with chronic renal failure undergoing dialysis. Also used in conjunction with calcium in the management and prevention of primary or corticosteroid-induced osteoporosis. Mechanism Of Action: The first step involved in the activation of vitamin D3 is a 25-hydroxylation which is catalysed by the 25-hydroxylase in the liver and then by other enzymes. The mitochondrial sterol 27-hydroxylase catalyses the first reaction in the oxidation of the side chain of sterol intermediates. The active form of vitamin D3 (calcitriol) binds to intracellular receptors that then function as transcription factors to modulate gene expression. Like the receptors for other steroid hormones and thyroid hormones, the vitamin D receptor has hormone-binding and DNA-binding domains. The vitamin D receptor forms a complex with another intracellular receptor, the retinoid-X receptor, and that heterodimer is what binds to DNA. In most cases studied, the effect is to activate transcription, but situations are also known in which vitamin D suppresses transcription. Calcitriol increases the serum calcium concentrations by: increasing GI absorption of phosphorus and calcium, increasing osteoclastic resorption, and increasing distal renal tubular reabsorption of calcium. Calcitriol appears to promote intestinal absorption of calcium through binding to the vitamin D receptor in the mucosal cytoplasm of the intestine. Subsequently, calcium is absorbed through formation of a calcium-binding protein.Vitamin_D3_(Cholecalciferol)NEWSVitamin_D3_(Cholecalciferol).txt" -->Brand Names/Synonyms: Vitamin D3 (Cholecalciferol) is also known by the following brand names and/or synonymsCC; Calciol; Cholecalciferol; Cholecalciferol, D3; Colecalciferol; Delsterol; Delta-D; Deparal; Ebivit; Micro-Dee; Oleovitamin D3; Provitamin D3; Provitamine; Provitina; Ricketon; Trivitan; Vigantol; Vigorsan; Vitamin D3 + Vitamin D (Cholecalciferol) + Vitamin E (D-Alpha Tocopheryl Acetate) + Zinc (Zinc Sulfate)); Prenatal Vitamins and Minerals Tablets (Beta-Carotene + Biotin + Calcium (Calcium Carbonate) + Chromium (Chromic Chloride) + Copper (Cupric Oxide) + D-Pantothen Biotin + Calcium (Calcium Phosphate (Dibasic), Calcium Citrate) + Chromium (Chromic Chloride) + Copper (Copper Gluconate) + D-Pantothenic Acid (Calcium D-Pantothenate) + Folic Acid + Magnesium (Magnesium Oxide, Magnesium Citrate) + Manganese (Manganese Gluconate) + Molybdenum (Sodium Molybdate) + Nicotinic Acid + Phosphorus (Calcium Phosphate (Dibasic)) + Selenium (Selenium Hvp Chelate) + Vanadium (Vanadium Hvp Chelate) + Vitamin B1 (Thiamine Hydrochloride) + Vitamin B12 + Vitamin B2 (Riboflavin, Riboflavin-5-Phosphate) + Vitamin B6 (Pyridoxine Hydrochloride) + Vitamin C + Vitamin D (Cholecalciferol) + Vitamin E (Dl-Alpha Tocopheryl Acetate) + Zinc (Zinc Citrate)); Watkins J.R. (Beta-Carotene (Provitamin a) + Biotin + Chromium (Chromic Chloride) + Copper (Copper Sulfate) + D-Pantothenic Acid (Calcium D-Pantothenate) + Folic Acid + Iodine (Potassium Iodide) + Iron (Ferrous Fumarate) + Manganese (Manganese Sulfate) + Molybdenum (Sodium Molybdate) + Nicotinamide + Selenium (Selenium Hvp Chelate) + Silicon (Silicon Dioxide) + Vitamin B1 (Thiamine Mononitrate) + Vitamin B12 (Cyanocobalamin) + Vitamin B2 + Vitamin B6 (Pyridoxine Hydrochloride) + Vitamin C + Vitamin D (Cholecalciferol) + Vitamin E (Dl-Alpha Tocopheryl Acetate, D-Alpha Tocopheryl Acid Succinate) + Zinc (Zinc Hvp Chelate, Zinc Citrate)); Women's Biomultiple Vitamin and Mineral Supplement (Beta-Carotene (Provitamin a) + Biotin + Calcium (Calcium Carbonate) + Choline Bitartrate + Chromium (Yeast) + Copper (Copper Hvp Chelate) + D-Pantothenic Acid + Folic Acid + Inositol + Iodine (Potassium Iodide) + Iron (Ferrous Fumarate) + Magnesium (Magnesium Oxide) + Manganese (Manganese Hvp Chelate) + Methionine + Molybdenum (Molybdenum Citrate) + Nicotinamide + Selenium (Selenium Hvp Chelate) + Silicon Dioxide + Vanadium (Vanadium Citrate) + Vitamin B1 (Thiamine Mononitrate) + Vitamin B2 (Riboflavin) + Vitamin B6 (Pyridoxine Hydrochloride) + Vitamin C (Ascorbic Acid) + Vitamin D3 (Cholecalciferol) + Vitamin E (D-Alpha Tocopheryl Acetate) + Zinc (Zinc Oxide)); Women's Formula (Biotin + Calcium (Calcium Carbonate, Calcium Ascorbate, Calcium Citrate) + Chromium (Chromium Citrate) + Copper (Copper Gluconate) + D-Pantothenic Acid (Calcium D-Pantothenate) + Folic Acid + Iron (Ferrous Fumarate) + Magnesium (Magnesium Oxide) + Manganese (Manganese Gluconate) + Nicotinamide + Selenium (Selenium Hvp Chelate) + Vitamin a (Beta-Carotene) + Vitamin a (Fish Liver Oil, Vitamin a Palmitate) + Vitamin B1 (Thiamine Hydrochloride) + Vitamin B12 (Vitamin B12) + Vitamin B2 (Riboflavin) + Vitamin B6 (Pyridoxine Hydrochloride) + Vitamin C (Calcium Ascorbate, Ascorbic Acid, Ascorbyl Palmitate) + Vitamin D3 (Cholecalciferol) + Vitamin E (D-Alpha Tocopheryl Acid Succinate) + Zinc (Zinc Sulfate, Zinc Gluconate)); Women's Timed Release Ultra Mega Without Iron (Beta-Carotene (Provitamin a) + Biotin + Calcium (Calcium Carbonate, Calcium Hvp Chelate) + Choline (Choline Bitartrate) + Chromium (Chromium Hvp Chelate) + Copper (Copper Hvp Chelate) + D-Pantothenic Acid (Calcium D-Pantothenate) + Folic Acid + Inositol + Iodine (Kelp) + Magnesium (Magnesium Oxide, Magnesium Hvp Chelate) + Manganese (Manganese Sulfate) + Nicotinamide + Nicotinic Acid + Potassium (Potassium Chloride) + Selenium (Selenium Hvp Chelate) + Silicon Dioxide + Vitamin a (Vitamin a Palmitate) + Vitamin B1 (Thiamine Mononitrate) + Vitamin B12 (Cyanocobalamin) + Vitamin B2 + Vitamin B6 (Pyridoxine Hydrochloride) + Vitamin C + Vitamin D (Cholecalciferol) + Vitamin E (D-Alpha Tocopheryl Acetate) + Zinc (Zinc Hvp Chelate)) Drug Category: Vitamin D3 (Cholecalciferol) is categorized under the following by the FDA: ATC:A11CC05; Antihypocalcemic Agents; Antihypoparathyroid Agents; Essential Vitamin; Vitamins (Vitamin D) Dosage Forms: CAPSULE; TABLET Absorption: Readily absorbed Interactions: [an error occurred while processing this directive] Chemical IUPAC Name: 3-[2-[7a-methyl-1-(6-methylheptan-2-yl)-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidene-cyclohexan-1-ol Oral Vitamin D Induces Skin Antimicrobial Peptide Production to ... - 21 Oct 2008 Baseline levels of calcium and 25-hydroxyvitamin D were recorded, and a daily oral dose of 4000 IU vitamin D3 (cholecalciferol) was administered to all Medi News Direct, Oral Vitamin D May Help Prevent Some Skin Infections - Oct 6, 2008 Study participants (14 with atopic dermatitis and 14 without) were all given 4000 IUs of oral Vitamin D3 (cholecalciferol) per day for 21 days. Science Daily (press release) American Academy Of Pediatrics Urges Doubling Vitamin D For Children - Oct 14, 2008 Of interest are especially vitamin D2 (or ergocalciferol) and vitamin D3 (or cholecalciferol). The latter is the actual “sunshine vitamin� which is produced eFluxMedia More Aggressive Vitamin D Treatment May Be Needed in Pediatric ... - Oct 13, 2008 Other options may be even more frequent dosing, use of cholecalciferol instead of ergocalciferol, or UV lights to stimulate endogenous production of the MedPage Today, Oral Vitamin D may help fight skin infections - Oct 8, 2008 These participants were administered 4000 IUs of oral Vitamin D3 (cholecalciferol) per day for 21 days. A biopsy of the skin lesions of these volunteers was HealthJockey.com, Oral Vitamin D Fights Skin Infection - Oct 7, 2008 All subjects were given 4000 IU/d of oral vitamin D3 (cholecalciferol) for 21 days. After supplementation, the skin lesions in AD patients showed Inside Cosmeceuticals.com, The wonder vitamin you are simply not getting enough of - Oct 4, 2008 New benefits of D are being discovered faster than you can say cholecalciferol (that's science-geek speak for the active form of vitamin D, also known as Telegraph-Journal, Eating For A Better Mood - Oct 3, 2008 Check labels to make sure you get the most potent form of the vitamin, which is D3 or cholecalciferol. A carbohydrate overhaul is another way to help banish Parade Magazine Vitamin D again linked to breast cancer protection - Sep 29, 2008 Vitamin D refers to two biologically inactive precursors - D3, also known as cholecalciferol, and D2, also known as ergocalciferol. NEWSFOOD.com, Parkinson’s Disease Linked to Vitamin D Insufficiency - Oct 14, 2008 People older than 50 need a higher dose because the body’s ability to convert the vitamin D into its active form (cholecalciferol) begins to decline at age eFluxMedia Cholecalciferol Therapy Boosts Serum Vitamin D to Allow Women With ... - 15 Sep 2008 By Louise Gagnon MONTREAL -- September 15, 2008 -- The administration of cholecalciferol boosts serum levels of vitamin D in women with osteoporosis, DG News How Vitamin D May Help CKD Patients - Aug 28, 2008 With natural food sources of vitamin D (D3, cholecalciferol) limited mainly to fatty fish and fish oils, the body's ability to convert ultra-violet B (UVB) Renal and Urology News, Light shines on vitamin D deficiency epidemic - Sep 8, 2008 ..."Vitamin D3 (cholecalciferol) is up to three times more readily absorbable than Vitamin D2 (ergocalciferol). Vitamin D3 is the form from animal products and Scarlet Scuttlebutt, Low Vitamin D Status in a Representative Sample of Youth From ... - Sep 5, 2008 Ultraviolet activation of 7-dehydrocholesterol in the epidermis is the predominant source of cholecalciferol or vitamin D3 (7). RedOrbit, Extra, extra! Get your free vitamin D! - Sep 4, 2008 This activity involves the skin, the liver, and the kidneys, and about 36 hours after the sun exposure the synthesized vitamin D (known as cholecalciferol, What Doctors Don't Tell You, Vitamin D benefits tested in kidney disease - Aug 28, 2008 ...stage three chronic kidney disease and vitamin D deficiency, will be provided with thrice-weekly doses of vitamin D3, also known as cholecalciferol. Renal Business Today, Vitamin D: are you feeling the deficit? - Aug 24, 2008 Be sure that your supplement contains cholecalciferol (vitamin D3) which stays in the body longer. Vitamin D2 is depleted in the body more quickly. NewsoftheNorth.Net, Vitamin D Comes in Various Forms - Aug 20, 2008 There are many different forms of "vitamin D." Two forms that are important to the human body are ergocalciferol (vitamin D2) and cholecalciferol (vitamin RedOrbit, A-to-Z Buyer's Guide - Aug 26, 2008 Dosages: 2000 ill daily of vitamin D3 (cholecalciferol) from supplements and fortified foods. Zinc is an essential trace mineral found in every cell and RedOrbit, Vitamin D senkt das Brustkrebsrisiko junger Frauen - Sep 8, 2008 Vitamin D (Cholecalciferol) spielt besonders bei der Regulierung des Kalziumhaushalts und somit beim Knochenaufbau eine große Rolle. Lifeline, Lifetime Liquid D3 Targets Vitamin D Deficiencies in US Population - Jul 16, 2008 LifeTime’s Liquid D3 provides vitamin D3 (cholecalciferol) in an easy-to-take, once-daily dose. Vitamin D3 is the preferred form, due to its high level of Business Wire (press release), Osteoporosis Medication FOSAMAX PLUS 5600IU Now Registered - Jul 9, 2008 FOSAMAX PLUS 5600IU contains a weekly dose of two therapies – FOSAMAX™(alendronate sodium, 70mg) and Vitamin D³ (cholecalciferol, 5600 IU). New Zealand Doctor Online, Grillo: Researching Vitamin D - Aug 4, 2008 ...be supplemented by Vitamin D2 (ergocalciferol) or Vitamin D3 (cholecalciferol). Dermatologists have concerns about being in the sun without protection. Daily Camera, Beware calories in digestive aid, muscle builder - Jul 23, 2008 ...cholecalciferol, d-alpha-tocopherol acetate, ascorbic acid, folate, thiamine mononitrate, riboflavin, niacinamide, pyridoxine hcl, cyanocobalamin, Seattle Times, Merck Reports Second-Quarter 2008 Financial Results - Jul 21, 2008 Worldwide sales of FOSAMAX and FOSAMAX PLUS D (alendronate sodium/cholecalciferol), which is marketed as FOSAVANCE throughout the European Union, MarketWatch Don't miss your daily dose of the D - Jul 22, 2008 Two forms of the vitamin are valuable to humans: ergocalciferol (vitamin D2), made by plants, and cholecalciferol (vitamin D3), generated from skin exposure Myrtle Beach Sun News, Mum's vitamin D during pregnancy strengthens kid's teeth - Jul 9, 2008 Vitamin D refers to two biologically inactive precursors - D3, also known as cholecalciferol, and D2, also known as ergocalciferol. NutraIngredients.com, Geriatric Screening and Preventive Care - Jul 16, 2008 Bischoff-Ferrari HA, Oorav EJ, Dawson-Hughes B. Effect of cholecalciferol plus calcium on falling in ambulatory older men and women: a 3-year randomized RedOrbit, Vitamin D: Wie viel Sonne brauchen wir? - Jul 31, 2008 Vitamin D3 oder Cholecalciferol (kurz Calciol) ist das physiologisch im Menschen vorkommende Vitamin D. Es wird im Körper mit Hilfe von ultraviolettem Licht Medizin-Aspekte, Prevenzione delle cadute negli anziani: tra il dire e il fare ... - Aug 2, 2008 Effect of Cholecalciferol Plus Calcium on Falling in Ambulatory Older Men and Women. A 3-Year Randomized Controlled Trial . Arch Intern Med. Pillole.org, Vitamin D: Facts & Figures - 03 Jul 2008 The two major forms of vitamin D are D2 (or ergocalciferol) and D3 (or cholecalciferol). Vitamin D3 is produced physiologically and is more effective at Looking Fit, Vitamin D Facts and Figures - Jul 1, 2008 The two major forms of vitamin D are D2 (or ergocalciferol) and D3 (or cholecalciferol). Vitamin D3 is the one which is produced physiologically and is more Irish Medical Times, DoC eyes levy if groups want to avert 1080 use - Jun 18, 2008 Cholecalciferol, a concentrated form of Vitamin D, is being laid in bait stations between Otama and Kuaotunu in an operation targeting possums and testing New Zealand Herald, Fortified cheese as good as supplements for vitamin D: study - Jun 25, 2008 Vitamin D refers to two biologically inactive precursors - D3, also known as cholecalciferol, and D2, also known as ergocalciferol. NutraIngredients.com, Study: Most Adults Don't Get Enough Vitamin D - Jun 23, 2008 Just make sure you're getting D3 or cholecalciferol. Look for that word in the tiny print. Most supplements contain 400 international units: the daily MyFox Kansas City, 25-Hydroxylation of vitamin D 3 : relation to circulating vitamin ... - Jun 9, 2008 Results: In the acute study, subjects receiving a single 100000-IU dose of vitamin D 3 had a rise in serum cholecalciferol to a mean of 521 nmol/L at 1 d Am J Clin Nutr (subscription), Vitamin D Guidelines, Pills, Liquids - Jun 11, 2008 The best form of vitamin D supplementation is vitamin D3, also known as cholecalciferol. The other form is now rarely seen. Though there is some advantage Christian Broadcasting Network, New Insights into the Role of Vitamin D and Calcium in ... - Jun 26, 2008 It is generally thought that ergocalciferol is less effective than cholecalciferol in maintaining serum 25(OH)D levels because of its more rapid RedOrbit, Suffering from pain? Pop vitamin D - Jun 21, 2008 ...and persons with chronic musculoskeletal pain would benefit from 2000 IU or more per day of supplemental vitamin D3 (also called cholecalciferol). Times of India, Back Pain? Vitamin D is a Surprising Champion of Pain Relief ... - Jun 25, 2008 ...and persons with chronic back pain would benefit from 2000 IU or more per day of supplemental vitamin D3 (also called cholecalciferol). PR-CANADA.net (press release), Vitamin D recommendations for teens may be too low - Jun 12, 2008 8-week safety study in which 25 adolescents were given either a weekly dose of 14000 IU of vitamin D3 -- also known as cholecalciferol -- or a placebo. Reuters India, Lack of "Sunshine" Vitamin D Linked to Death - Jun 24, 2008 Of interest are especially vitamin D2 (or ergocalciferol) and vitamin D3 (or cholecalciferol). The latter is the actual "sunshine vitamin" which is produced eFluxMedia High-Dose Vitamin D For People With Diabetic Neuropathy - Jun 18, 2008 The participants, average age 62 years, were given high daily doses of vitamin D^sub 3^ (cholecalciferol) in tablet form (mean dose, 2059 IU). RedOrbit, Novel Vitamin D2 Yeast Preparation, a Method for Producing - Jun 13, 2008 The human body is capable of producing sufficient vitamin D, specifically Vitamin D3 (cholecalciferol), during exposure of the skin to the UV rays found in FLEXNEWS, Choline-stabilized orthosilicic acid supplementation as an adjunct ... - Jun 11, 2008 136 women out of 184 randomized (T-score spine <-1.5) completed the study and received, daily, 1000 mg Ca and 20 microg cholecalciferol (Vit D3) and 7thSpace Interactive (press release), Low vitamin D levels may raise heart attack risk - Jun 10, 2008 Vitamin D refers to two biologically inactive precursors - D3, also known as cholecalciferol, and D2, also known as ergocalciferol. NutraIngredients.com, Vitamin D offers variety of health benefits - Jun 10, 2008 Vitamin D is a group of fat-soluble prohormones, the two major forms of which are vitamin D2 (or ergocalciferol) and vitamin D3 (or cholecalciferol). Pravda, Are You Vitamin D Deficient? - Jun 4, 2008 ...a Vitamin D researcher at the University of Wisconsin presented his important discovery that "the body doesn't start storing cholecalciferol (D3), Natural News.com, Vitamin D levels should be multiplied by ten for children: study - May 28, 2008 Vitamin D refers to two biologically inactive precursors - D3, also known as cholecalciferol, and D2, also known as ergocalciferol. NutraIngredients.com, EPA Issues New Rodenticide Regs.; Manufacturers Must Respond by ... - 02 Jun 2008 ...difenacoum, chlorophacinone, diphacinone (and its sodium salt), warfarin (and its sodium salt), zinc phosphide, bromethalin, and cholecalciferol. Occupational Health Safety, Vitamin D is hot! Here's how to get it - May 20, 2008 When this occurs, dehydrocholesterol can be transformed into previtamin D3 (cholecalciferol), the most readily absorbed form of vitamin D. Another form, CNN Here comes the sunshine vitamin - May 27, 2008 Vitamin D3 (cholecalciferol) is formed in the skin from 7-dehydrocholesterol in a photochemical reaction brought about by the ultra violet (UV) part of Huddersfield Examiner, Expert: Vitamin D dilemma solved by diet - May 26, 2008 In addition, be sure to take the form called cholecalciferol, or vitamin D3, because it results in the most active vitamin D in the body, she said. United Press International Vitamin D and cancer: maintaining levels key to protection? - May 12, 2008 Vitamin D refers to two biologically inactive precursors - D3, also known as cholecalciferol, and D2, also known as ergocalciferol. NutraIngredients.com, Vitamin D Council Special Report: First Successful Use Of Vitamin ... - May 31, 2008 ...clearly seasonal, who had a low serum 25-hydroxy-vitamin D, and who appeared to rapidly respond to treatment with 2000 IU of cholecalciferol per day. PR Web (press release), EPA gives manufacturers three years to adjust to new regulations ... - May 30, 2008 Cholecalciferol is vitamin D3, which in small dosages is needed for good health in most mammals, but in massive doses is toxic, especially to rodents. Grist Magazine, 1080 drop `cruelty' says SPCA - May 23, 2008 Following consultation with deerstalkers, an alternative poison, cholecalciferol, will be applied by ground staff in the remaining 4200ha of the Cobb Valley Nelson Mail, EPA limits use of toxic rat poisons - May 29, 2008 The 10 rodenticides -- brodifacoum, bromadiolone, bromethalin, chlorophacinone, cholecalciferol, difethialone, difenacoum, diphacinone, warfarin and zinc United Press International Vitamin D levels should be multiplied by ten for children: study - May 28, 2008 Vitamin D refers to two biologically inactive precursors - D3, also known as cholecalciferol, and D2, also known as ergocalciferol. NutraIngredients.com, Calcium supplements similar except for fillers - May 7, 2008 The label lists vitamin D3 (as cholecalciferol) 400 IU calcium (as calcium citrate) 630 milligrams, starch, magnesium stearate croscarmellose sodium, The Grand Rapids Press - MLive.com, Let the sunshine in to build vitamin D - May 13, 2008 Most of us need 1000 IU of vitamin D a day; both vitamin D2 (ergocalciferol, which is added to milk) and vitamin D3 (cholecalciferol, which is found in some Atlanta Journal Constitution, Becoming a vegan - May 5, 2008 I recommend a daily supplement of 1000 IU of vitamin D3 -- cholecalciferol -- for everyone (vegan or not). Dr. Andrew Weil is director of the program of Calgary Herald, Vitamin D and breast cancer: sunlight or supplements? - May 19, 2008 Vitamin D refers to two biologically inactive precursors - D3, also known as cholecalciferol, and D2, also known as ergocalciferol. NutraIngredients.com, Transient Osteoporosis of the Knee - May 21, 2008 La Montagna et al 31 reported a case in which intramuscular aminobisphosphonate, oral calcium carbonate, and cholecalciferol caused symptom regression 2 Ortho SuperSite, Prostates protected by vitamin D: study - May 14, 2008 Vitamin D refers to two biologically inactive precursors - D3, also known as cholecalciferol, and D2, also known as ergocalciferol. NutraIngredients.com, PROJECT LEAN: Ensure bone health for a lifetime - May 14, 2008 It is also called cholecalciferol. In addition to milk, vitamin D can be obtained from egg yolks, saltwater fish, liver and supplements. Times-Standard, What's that word on the ingredient list? - May 11, 2008 A few examples of words that indicate added vitamins and minerals are beta carotene (a precursor to vitamin A), ascorbic acid (vitamin C), cholecalciferol Portsmouth Herald News, Vitamin D to boost mood in older adults: study - May 6, 2008 Vitamin D refers to two biologically inactive precursors - D3, also known as cholecalciferol, and D2, also known as ergocalciferol. NutraIngredients.com, Low Levels of Vitamin D Associated With Depression In Adults - May 5, 2008 Vitamin D is a group of fat-soluble pro-hormones, and two major forms of which are vitamin D2 (or ergocalciferol) and vitamin D3 (or cholecalciferol). Best Syndication, Expert: Don't exercise in bad air - May 26, 2008 DALLAS, May 26 (UPI) -- Swimsuit season is around the corner, but a US allergist suggests checking air conditions before heading outside to work off United Press International : |
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