Description of Vitamin D3:
Vitamin D3 is a fat-soluble vitamin, is used as a precursor for calcium, phosphorus metabolic hormones, Vitamin D3 has close relationship with sunshine, so also called the "sunshine vitamin".Vitamin D3 is fat-soluble, insoluble in water, can dissolve in fat or fat solvents, high temperature and oxidation in neutral and alkaline solution.

Product Name:Vitamin D3 40M IU/G
Name of Active Substance:Cholecalciferol
CAS NO.:67-97-0
Formual:C27H44O
Molecular Weight:384.65
Packing:500g,1kg, 5kgs as per customer requirement
Appearance:yellowish or cream granula
Assay(VD3+pre-VD3):40M IU/G min. (HPLC method)
Particle size:100% passing 2# sieve (850±29μm)
Loss on drying:≤5%
Stability and storage:
The product should be contained in unopened original package, protected from light in a dry place at low temperature ( ≤15C ). Once it is opened, please use it up in a short time.The shelf life is 24 months for the unopened product stored in recommended condition.

Uses of Vitamin D3:
As pharmaceutical preparations, for the body of vitamin D supplement, preventable and treatment of vitamin D deficiency caused by muscle twitching, osteoporosis, rickets, dental caries and hypoparathyroidism etc, its physiological role is to maintain normal calcium and phosphorus metabolism, promote them to the bone and tissues
Vitamin D3 is fat-soluble. This means that excess amounts of it are stored in the body tissues.
Long-term high doses may be deposited in the soft tissues, irreversibly damage the kidneys and cardiovascular system.