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Audited Supplier Vitamin D3 can be found in small amounts in a few foods, including fatty fish such as herring, mackerel, sardines and tuna. To make vitamin D3 more available, it is added to dairy products, juices, and cereals that are then said to be "fortified with vitamin D3" But most vitamin D3 - 80% to 90% of what the body gets - is obtained through exposure to sunlight.
Function
1.Vitamin D3 can improve the body's absorption of calcium and phosphorus, so that the levels of plasma calcium and plasma phosphorus reach saturation.
2.Vitamin D3 can promote growth and bone calcification for healthy teeth.
3.Vitamin D3 can increase phosphorus absorption.
4.Vitamin D3 can maintain normal levels of citrate in the blood.
5.Vitamin D3 can prevent amino acid loss through the kidneys.
Delivery:
| Selections | Speed | Duration | Suitable for | Service | Cost |
| By Express | Fast | 3-10 days | <50kg | Door to door | High |
| By Air | Fast | 3-7 days | >50kg | Airport to airport | Lower the express |
| By Sea | Slow | 7-45 days | large quantity | Port to port | Lowest |
Zhejiang Weile Biotechnology Co., Ltd committes to providing domestic and foreign customers with the most cost-effective products, the most specialized solutions, and the most standard pre-sales and after-sales services.
1. A large number of high quality products, manufactured by leading producers, and supported by excellent quality control system.
2. A broad range of Third Party Certifications, including GMP, USP, EP, ISO, KOSHER, HALA, FSSCC and so on, with the fundamental assurance of products quality.
3. Professional product knowledge, providing comprehensive services for customers.
4. Rich market experience, with well-deserved reputation.
5. Regular safety stocks, ensuring sustainable supply.
6. Samples will be free
Suppliers with verified business licenses
Audited Supplier 
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