Vitamin D3 40000000IU | 511-28-4
Product Description:
Vitamin D is a fat-soluble vitamin and is also regarded as a hormone precursor that acts on calcium and phosphorus metabolism. It is closely related to sunlight, so it is also called "sunshine vitamin".
Vitamin D is a general term for a family of complexes with the same A, B, C, and D ring structures but different side chains. There are at least 10 known types of vitamin D, but the most important are vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol)
The efficacy of Vitamin D3 40000000IU:
Cholecalciferol is converted into 25-hydroxycholecalciferol by hydroxylase system in the liver, and then hydroxylated to 1,25-dihydroxycholecalciferol in the kidney.
The activity of this substance is 50% higher than that of cholecalciferol. , proven to be the true active form of vitamin D in the body.
And 1,25-dihydroxycholecalciferol is a hormone secreted by the kidneys, so cholecalciferol is actually a prohormone.
At the same time, vitamin D is a fat-soluble vitamin and is also regarded as a hormone precursor that acts on calcium and phosphorus metabolism.
It is closely related to sunlight, so it is also called "sunshine vitamin".
![(1S,5R,6S)-Ethyl-5-(pentan-3-yloxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate](https://cdn.globalso.com/colorkem/1S5R6S-Ethyl-5-pentan-3-yloxy-7-oxabicyclo4.1.0hept-3-ene-3-carboxylate-300x300.jpg)
