Back كوليكالسيفيرول Arabic Халекальцыферол Byelorussian কোলেক্যালসিফেরল Bengali/Bangla Holekalciferol BS Cholekalciferol Czech Colecalcifferol Welsh Cholecalciferol German Χοληκαλσιφερόλη Greek Colecalciferol Spanish Kolekaltziferol Basque

Cholecalciferol

Cholecalciferol
INN: Colecalciferol
Clinical data
Pronunciation/ˌkoʊləkælˈsɪfərɒl/
Other namesvitamin D3, calciol, activated 7-dehydrocholesterol
AHFS/Drugs.comProfessional Drug Facts
License data
Routes of
administration		By mouth, intramuscular
ATC code
Legal status
Legal status
Identifiers
  • (3S,5Z,7E)-9,10-secocholesta-5,7,10(19)-trien-3-ol
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.000.612 Edit this at Wikidata
Chemical and physical data
FormulaC27H44O
Molar mass384.648 g·mol−1
3D model (JSmol)
Melting point83 to 86 °C (181 to 187 °F)
Boiling point496.4 °C (925.5 °F)
Solubility in waterPractically insoluble in water, freely soluble in ethanol, methanol and some other organic solvents. Slightly soluble in vegetable oils.
  • O[C@@H]1CC(\C(=C)CC1)=C\C=C2/CCC[C@]3([C@H]2CC[C@@H]3[C@H](C)CCCC(C)C)C
  • InChI=1S/C27H44O/c1-19(2)8-6-9-21(4)25-15-16-26-22(10-7-17-27(25,26)5)12-13-23-18-24(28)14-11-20(23)3/h12-13,19,21,24-26,28H,3,6-11,14-18H2,1-2,4-5H3/b22-12+,23-13-/t21-,24+,25-,26+,27-/m1/s1 ☒N
  • Key:QYSXJUFSXHHAJI-YRZJJWOYSA-N

Cholecalciferol, also known as vitamin D3 and colecalciferol, is a type of vitamin D that is made by the skin when exposed to UV-B light; it is found in some foods and can be taken as a dietary supplement.[3]

Cholecalciferol is made in the skin following UVB light exposure.[4] It is converted in the liver to calcifediol (25-hydroxyvitamin D) which is then converted in the kidney to calcitriol (1,25-dihydroxyvitamin D).[4] One of its actions is to increase calcium uptake by the intestines.[5] It is found in food such as some fish, beef liver, eggs, and cheese.[6][7] Plants, cow milk, fruit juice, yogurt, and margarine also may have cholecalciferol added to them in some countries, including the United States.[6][7]

Cholecalciferol can be taken as an oral dietary supplement to prevent vitamin D deficiency or as a medication to treat associated diseases, including rickets.[8][9] It is also used for familial hypophosphatemia, hypoparathyroidism that is causing low blood calcium, and Fanconi syndrome.[9][10] Vitamin-D supplements may not be effective in people with severe kidney disease.[11][10] Excessive doses in humans can result in vomiting, constipation, weakness, and confusion.[5] Other risks include kidney stones.[11] Doses greater than 40000 IU (1000 μg) per day are generally required before high blood calcium occurs.[12] Normal doses, 800–2000 IU per day, are safe in pregnancy.[5]

Cholecalciferol was first described in 1936.[13] It is on the World Health Organization's List of Essential Medicines.[14] In 2021, it was the 65th most commonly prescribed medication in the United States, with more than 10 million prescriptions.[15][16] Cholecalciferol is available as a generic medication and over the counter.[10][17][18]

  1. ^ "Health product highlights 2021: Annexes of products approved in 2021". Health Canada. 3 August 2022. Retrieved 25 March 2024.
  2. ^ "Regulatory Decision Summary for Vitamin D3 Oral Solution". Health Canada. 5 February 2021. Retrieved 25 March 2024.
  3. ^ Coulston AM, Boushey C, Ferruzzi M (2013). Nutrition in the Prevention and Treatment of Disease. Academic Press. p. 818. ISBN 9780123918840. Archived from the original on 30 December 2016. Retrieved 29 December 2016.
  4. ^ a b Norman AW (August 2008). "From vitamin D to hormone D: fundamentals of the vitamin D endocrine system essential for good health". The American Journal of Clinical Nutrition. 88 (2): 491S–499S. doi:10.1093/ajcn/88.2.491S. PMID 18689389.
  5. ^ a b c "Cholecalciferol (Professional Patient Advice) - Drugs.com". www.drugs.com. Archived from the original on 30 December 2016. Retrieved 29 December 2016.
  6. ^ a b "Office of Dietary Supplements - Vitamin D". ods.od.nih.gov. 11 February 2016. Archived from the original on 31 December 2016. Retrieved 30 December 2016.
  7. ^ a b Ross AC, Taylor CL, Yaktine AL, Del Valle HB, et al. (Institute of Medicine (US); Committee to Review Dietary Reference Intakes for Vitamin D and Calcium) (2011). Dietary Reference Intakes for Calcium and Vitamin D (PDF). National Academies Press. doi:10.17226/13050. ISBN 978-0-309-16394-1. PMID 21796828. S2CID 58721779.
  8. ^ British national formulary : BNF 69 (69 ed.). British Medical Association. 2015. pp. 703–704. ISBN 9780857111562.
  9. ^ a b World Health Organization (2009). Stuart MC, Kouimtzi M, Hill SR (eds.). WHO Model Formulary 2008. World Health Organization. hdl:10665/44053. ISBN 9789241547659.
  10. ^ a b c Hamilton R (2015). Tarascon Pocket Pharmacopoeia 2015 Deluxe Lab-Coat Edition. Jones & Bartlett Learning. p. 231. ISBN 9781284057560.
  11. ^ a b "Aviticol 1 000 IU Capsules - Summary of Product Characteristics (SPC) - (eMC)". www.medicines.org.uk. Archived from the original on 30 December 2016. Retrieved 29 December 2016.
  12. ^ Vieth R (May 1999). "Vitamin D supplementation, 25-hydroxyvitamin D concentrations, and safety" (PDF). The American Journal of Clinical Nutrition. 69 (5): 842–56. doi:10.1093/ajcn/69.5.842. PMID 10232622.
  13. ^ Fischer J, Ganellin CR (2006). Analogue-based Drug Discovery. John Wiley & Sons. p. 451. ISBN 978-3-527-60749-5. Archived from the original on 30 December 2016. Retrieved 29 December 2016.
  14. ^ World Health Organization (2019). World Health Organization model list of essential medicines: 21st list 2019. Geneva: World Health Organization. hdl:10665/325771. WHO/MVP/EMP/IAU/2019.06. License: CC BY-NC-SA 3.0 IGO.
  15. ^ "The Top 300 of 2021". ClinCalc. Retrieved 14 January 2024.
  16. ^ "Cholecalciferol - Drug Usage Statistics". ClinCalc. Retrieved 14 January 2024.
  17. ^ Cite error: The named reference merckvet2014 was invoked but never defined (see the help page).
  18. ^ Rizor SE, Arjo WM, Bulkin S, Nolte DL. Efficacy of Cholecalciferol Baits for Pocket Gopher Control and Possible Effects on Non-Target Rodents in Pacific Northwest Forests. Vertebrate Pest Conference (2006). USDA. Archived from the original on 14 September 2012. Retrieved 27 August 2019. 0.15% cholecalciferol bait appears to have application for pocket gopher control.' Cholecalciferol can be a single high-dose toxicant or a cumulative multiple low-dose toxicant.

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