Suppliers with verified business licenses
Audited Supplier Biotin Vitamin H Vitamin B7, also known as vitamin H and coenzyme R, is a water-soluble vitamin and also belongs to the vitamin B family, B7. It is a necessary substance for the synthesis of vitamin C and an indispensable substance for the normal metabolism of fat and protein. Insen Biotin powder is a necessary nutrient to maintain the human body's natural growth, development and normal human function and health.
Vitamin B series
| Vitamin B1: Thiamine Mononitrate; Thiamine Hydrochloride |
| Vitamin B2: Riboflavin |
| Vitamin B3: Nicotinamide; Niacin |
| Vitamin B5: D-Calcium Pantothenate |
| Vitamin B6: Pyridoxine Hydrochloride |
| Vitamin B9: Folic Acid |
| Vitamin B12: Cyanocobalamin pure; 1%; 0.1% |
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 
){kind=link}
){kind=link}