Manufacturer Supply 99% Vitamin D3 40M for human nutrition CAS NO.67-97-0

Vitamin D3 Powder is undergoes sequential hydroxylations, and reaches its final active form, 1,25-dihydroxyvitamin D [1,25(OH)2D].1,25(OH)2D interacts with its nuclear receptor to modulate gene expression and biological actions. The vitamin D receptor (VDR) is present in a wide variety of cells including enterocytes, osteoblasts, and renal tubular cells. Vitamin D3 Powder is crucial for proper functions of a wide variety of organ systems, and its deficiency is highly prevalent in the general population and also among kidney stone formers.

Functions:

1.Vitamin D3 Powder Promoting phosphorus metabolism inducing bone calcium and phosphorus calm
2.Vitamin D3 Powder Helping promote bone growth and prevent rickets
3.Vitamin D3 Powder has the physiological function to promote intestinal calcium absorption, regulate calcium
Applications:

Vitamin D3 Powder is widely used in medicine, nutrition fortifier in nutraceutical and food product.

Q&A:

1.Are you a manufacturer or trade company
We have our own factory which located in Zhejiang,China.Meanwhile,we also have many parter factorier,so we can supply many kinds of relative products with very competitive price and good quality.

2.How  to start an order

After negoation and communication about the price,quantity,incoterm,etc.,you give me the order contract with stamp,then I sealed it ,send back to you,also give you the proforma invoice,you can arrange the payment according the PI.

3.What’s your payment terms

If sample,small amount: T/T in advance, ,Paypal.
If commercial order ,big amount: T/T in advance,L/C at sight.

4.Can I get a free sample

If this product is not very expensive,and you demand a small sample,we can supply free sample,but not including the shipping cost,you can provide a freight collect account or arrange the shipping cost by Paypal/Westunion.

5.What's the lead time
Generally we send out your order ASAP after payment,normally

small quanitity,3-5days.

big quanitity with stock,5-7days,

if without stock,we have to calculate the production period,then give you the lead tme.

6.How do you ship the order normally

If less than 50kg,will be shipped by express,such as FEDEX,DHL.

If above 50kg,we can ship it by air or sea
For very large quantity,ship it by sea will be the best choice.

7.How do you ensure the quality of your products
Strict QC with 6 steps testing from raw material purchase to finished product.

Meanwhile,we will responsible for the goods quality after be sold.