Chemical formula: C₂₇H₄₄O Molecular mass: 384.638 g/mol PubChem compound: 5280795
In its biologically active form vitamin D3 stimulates intestinal calcium absorption, incorporation of calcium into the osteoid, and release of calcium from bone tissue. In the small intestine it promotes rapid and delayed calcium uptake. The passive and active transport of phosphate is also stimulated.
This medicinal substance has been classified in the anatomical therapeutic chemical (ATC) classification according to its main therapeutic use as follows:
| ATC code | Group title | Classification |
|---|---|---|
| A11CC05 | Colecalciferol | A Alimentary tract and metabolism → A11 Vitamins → A11C Vitamin A and D, incl. combinations of the two → A11CC Vitamin D and analogues |
Competent medicine agencies globally have authorized commercialization of this active ingredient according to these medication package inserts (MPIs):
| Title | Information Source | Document Type | |
|---|---|---|---|
| STRIVIT-D3 800 IU Capsule, soft | Medicines & Healthcare Products Regulatory Agency (GB) | MPI, EU: SmPC |
Vitamin D3 is an active ingredient of these brands:
United States (US)
Albania (AL)
Australia (AU)
Austria (AT)
Brazil (BR)
Canada (CA)
Croatia (HR)Ecuador (EC)
Estonia (EE)Finland (FI)
France (FR)
Germany (DE)
Hong Kong (HK)
Ireland (IE)
Italy (IT)
Japan (JP)
Lithuania (LT)
Malta (MT)Mexico (MX)
Netherlands (NL)
New Zealand (NZ)
Nigeria (NG)Poland (PL)
Romania (RO)Singapore (SG)
South Africa (ZA)
Spain (ES)
Tunisia (TN)
Turkey (TR)
United Kingdom (UK)
Note the following: The list of brand names is continuously updated, and thus does not include the total of products circulating worldwide. |
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