Audited Supplier
What Is Vitamin D3?
Vitamin D3, a member of the vitamin D family, is primarily synthesized in the human skin from 7-dehydrocholesterol upon exposure to sunlight or ultraviolet light. It is a fat-soluble vitamin.
Product Applications
1. Enhances calcium and phosphorus absorption: After conversion in the body, vitamin D3 significantly increases the absorption of calcium and phosphorus in the small intestine, aiding in maintaining normal levels of blood calcium and phosphorus.
2. Bone health: Promotes bone calcification and osteoblast function, contributing to the healthy growth of teeth and bones, and preventing skeletal diseases such as rickets and osteoporosis.
3. Non-classical roles: Recent studies also reveal that vitamin D3 plays a crucial role in regulating immune function, cell growth, and differentiation, closely linked to the development and progression of various diseases including cancer, cardiovascular diseases, and autoimmune disorders.
PNP Biotech, located in Chengdu, Sichuan Province, China, is an international trading company with over 20 years of experience in supplying nutritional ingredients.
PNP stands for Prudent and Persistent, and with this belief and value in mind, we provide high-quality products and proven, reliable supply chain support to our customers worldwide.
With our manufacturing plants throughout China, we can produce stable quality products and offer a wide range of customized services by directly controlling the quality of our production.
In addition, we are constantly researching new technologies, developing new products, and actively setting up warehouses overseas to reduce our customers' purchasing and shipping costs.
We believe that as long as we put in efforts and sincerity, we can reap long-term and friendly cooperation with our customers, and we believe that soon, we will also start a brand new journey of cooperation with you!
Q: What is the price validation?
Two weeks minimum.
Q: What's your MOQ?
Our price is based on 25kg MOQ. We also accept smaller quantity orders for your R&D purpose, but the price will be higher due to the additional repack process fee and shipping/handling cost.
Q: Can I get free samples?
We provide 50 grams maximum free sample if you can handle the shipping charges.
Q: Is there a discount?
It is negotiable depending on the quantity and demand details.
Q: What is the shipping method and what is the lead time?
We ship by ocean or airfreight for most orders and also use express courier for small orders.
Q: What is the shelf life for the products?
24 months.
Q: Do you accept customized products?
Yes.
Q: What are the payment terms and method?
We require 100% prepay for the first order, meanwhile, we will apply for a credit allowance with our insurance company, and we can negotiate the payment terms after that. For payment methods, we accept international wire transfers and L/C.
