Vitamin B12 (Cyanocobalamin) is an essential water-soluble vitamin that plays a key role in cell metabolism, DNA synthesis and neurological function. It is supplied as a high-purity research-grade preparation in sealed vials for laboratory use. Vitamin B12 is widely applied in cell-culture media, nutritional and biochemical research, and is frequently used as a supplement in various experimental systems. The stable liquid presentation supports convenient dosing and consistent results in research protocols. Every batch is quality-controlled to ensure reliable and reproducible laboratory outcomes. Every batch undergoes strict quality control, and a Certificate of Analysis (COA) is available for specific batches upon request to support reproducible laboratory work. For storage, keep the unopened reagent sealed at 2-8 degree C and protected from light and moisture; for long-term storage, store at -20 degree C and avoid repeated freeze-thaw cycles. We support both small trial orders and large-volume bulk orders. OEM and private-label packaging services are available for research projects, and secure neutral packing is used for all shipments with worldwide delivery to the USA, Europe, Canada, Australia, the UK and many other regions. Please note that this product is intended for laboratory research use only and is not for human or veterinary application.