(redirected from Vitamin D-3)
Also found in: Thesaurus, Medical, Encyclopedia.


 (kō′lĭ-kăl-sĭf′ə-rôl′, -rōl′)


(Biochemistry) a compound occurring naturally in fish-liver oils, used to treat rickets. Formula: C27H44O. Also: vitamin D3 See also calciferol

vitamin D

any of the several fat-soluble, antirachitic vitamins D1, D2, D3, occurring in milk and fish-liver oils, esp. cod and halibut: essential for the formation of normal bones and teeth.

vitamin D1

a form of vitamin D obtained by ultraviolet irradiation of ergosterol.

vitamin D2


vitamin D3

a form of vitamin D, C27H43OH, occurring in fish-liver oils, that differs from vitamin D2 by slight structural differences in the molecule. Also called cholecalciferol.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cholecalciferol - a fat-soluble vitamin that prevents ricketscholecalciferol - a fat-soluble vitamin that prevents rickets
ergosterol - a plant sterol that is converted into vitamin D by ultraviolet radiation
fat-soluble vitamin - any vitamin that is soluble in fats
References in periodicals archive ?
ISLAMABAD -- By probing the effect that vitamin D-3 has on the cells that make up the lining of blood vessels, scientists at Ohio State University in Columbus have identified for the first time the role that the "sunshine vitamin" plays in preserving cardiovascular health.
Vitamin D-3 is also important--aim for 1,000 IU daily from a supplement until you have your number measured.
There is a vegan Vitamin D-3 that will be indicated as "vegan" on the label.
I just read that we should be taking 10 times more vitamin D-3 than the current recommendations.
There's also insufficient evidence, it said, on whether large doses of the supplements could prevent fractures in older women, but it noted that lower doses - less than 400 international units (IU) of vitamin D-3 and less than 1,000 milligrams of calcium - do not prevent fractures in older women but do make the development of kidney stones more likely.
Other good buys included GNC Vitamin D-3, Nature Made D3 Liquid Softgels, Now Vitamin D3, Rite-Aid Vitamin D-3, The Vitamin Shoppe Vitamin D3, Walgreens D3 and Whole Foods Market Vitamin D3.

Full browser ?