Vitamin D - Wikipedia
WEBSeveral forms (vitamers) of vitamin D exist, with the two major forms being vitamin D 2 or ergocalciferol, and vitamin D 3 or cholecalciferol. [1] . The term 'vitamin D' refers to either D 2 or D 3, or both, and is known collectively as calciferol. [16] Vitamin D 2 was chemically characterized in 1931.
Vitamin D 101 — A Detailed Beginner's Guide - Healthline
WEBMar 6, 2019 · Two main dietary forms exist (5): Vitamin D3 (cholecalciferol). Found in some animal foods, like fatty fish and egg yolks. Vitamin D2 (ergocalciferol). Found in some plants, mushrooms, and...
Understanding the Forms of Vitamin D: Vitamin D3, 25 (OH)D, …
WEBNov 16, 2023 · In this post, we will be discussing the three specific forms of vitamin D illustrated in the diagram below: Vitamin D [as Cholecalciferol (D3)], 25-hydroxyvitamin D [25 (OH)D or Calcifediol], and 1,25-dihydroxyvitamin D [1,25 (OH)2D or Calcitriol]. Click to Enlarge and Print.
Vitamin D - Mayo Clinic
WEBAug 10, 2023 · Vitamin D isn't naturally found in many foods, but you can get it from fortified milk, fortified cereal, and fatty fish such as salmon, mackerel and sardines. Your body also makes vitamin D when direct sunlight converts a chemical in your skin into an active form of the vitamin (calciferol).
15 Vitamin D3 Benefits and Best Uses for Your Health
WEBAug 15, 2024 · Vitamin D3 supports healthy bones and glowing skin, boosts immunity, and promotes heart health. Learn more about the benefits of vitamin D3 and how much you should take.
Vitamin D - Health Professional Fact Sheet - Office of Dietary ...
WEBIntroduction. Vitamin D (also referred to as calciferol) is a fat-soluble vitamin that is naturally present in a few foods, added to others, and available as a dietary supplement. It is also produced endogenously when ultraviolet (UV) rays from sunlight strike the skin and trigger vitamin D synthesis.
Vitamin D vs. D3: What’s the Difference? - Verywell Health
WEBMay 2, 2024 · Vitamin D is an essential micronutrient crucial in maintaining bone health, immune function, and overall health. There are two primary forms of vitamin D: vitamin D2 and vitamin D3. Vitamin D3 is the form of vitamin …
Vitamin D - The Nutrition Source
WEBMay 9, 2024 · Vitamin D supplements are available in two forms: vitamin D2 (“ergocalciferol” or pre-vitamin D) and vitamin D3 (“cholecalciferol”). Both are also naturally occurring forms that are produced in the presence of the sun’s ultraviolet-B (UVB) rays, hence its nickname, “the sunshine vitamin,” but D2 is produced in plants and fungi and ...
Vitamin D2 vs. D3: What’s the Difference? - Healthline
WEBMar 31, 2023 · Vitamin D3 Comes from Animals, Vitamin D2 from Plants. The two forms of vitamin D differ depending on their food sources. Vitamin D3 is only found in animal-sourced foods, whereas D2 mainly comes...
Overview of vitamin D - UpToDate
WEBSep 8, 2023 · Vitamin D is converted enzymatically in the liver to 25-hydroxyvitamin D (25 [OH]D), the major circulating form of vitamin D, and then in the kidney to 1,25-dihydroxyvitamin D, the active form of vitamin D. Vitamin D and its metabolites have a significant clinical role because of their interrelationship with …
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