vitamin D3 n. A colorless crystalline compound, C27H44O, found in fish, eggs, and fortified foods and formed in the skin of humans and other vertebrates upon exposure to ultraviolet radiation, as in sunlight. It is often used as a dietary supplement. Also calledcholecalciferol. ...
Definition of Vitamin D Vitamin D:Asteroidvitamin which promotes the intestinal absorption andmetabolismof calcium and phosphorus. Under normal conditions of sunlight exposure, no dietary supplementation is necessary because sunlight promotes adequatevitamin Dsynthesis in the skin. Deficiency can lead to bon...
“Vitamin D3.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/vitamin%20D3. Accessed 10 Jan. 2025. Copy Citation Share Post the Definition of vitamin D3 to Facebook Facebook Share the Definition of vitamin D3 on Twitter Twitter Love...
The meaning of VITAMIN D is any or all of several fat-soluble vitamins chemically related to steroids, essential for normal bone and tooth structure, and found especially in fish-liver oils, egg yolk, and milk or produced by activation (as by ultraviolet
"Although it has been previously reported that mushrooms have the ability to produce both vitamin D2 and vitamin D4, through our own research we were able to detect several types of vitamin Ds and provitamin Ds in mushroom samples including vitamin D3 which is also made in human skin," add...
Lancet Diabetes & EndocrinologyReid IR. Towards a trial-based definition of vitamin D deficiency. The lancet. Diabetes & 4 5 6 7 8 9Reid IR. Towards a trial-based definition of vitamin D deficiency. Lancet Diabetes Endocrinol. 2016;4(5):376-7....
vitamin D noun /ˌvɪtəmɪn ˈdiː/ /ˌvaɪtəmɪn ˈdiː/ [uncountable] any one of a group of vitamins found in meat such asliver, fish oils and eggs that are essential for healthy bones and teeth.Vitamin Dis also produced by the action of the sun on ...
Skin pigmentation, vitamin D inactivation and genetic variation of vitamin D binding protein (DBP) are all essential mechanisms for adaptive vitamin D metabolism in African children living near the equator. The widely used measurement of total serum 25-hydroxyvitamin D (25OHD) test ignores their in...
In 2003, however, a group of Japanese researchers reported that supplemental doses of vitamin K2 given together with vitamin D3 appeared to reduce bone turnover and sustain bone density in postmenopausal women with mild osteoporosis. Chronically low levels of vitamin K are correlated with higher ri...
1.Symbol for the vitamin D potency of cod liver oil, multiples of which (for example, 5D, 100D) are used to designate the vitamin D potency of irradiated ergosterol (viosterol) or other substances. Also, symbol fordeuterium; dihydrouridine in nucleic acids; diffusing capacity;aspartic acid;di...