Reconstituted: 28C, used within 30 days
These materials are not intended for human or veterinary use, diagnostic procedures, or clinical applications.
Although most of it is present in the blood, it is not directly available to your body
said hes a fan of peptides, has used them himself on injuries, and plans to move around 14 more peptides back toward legal compounding so people can access them through ethical suppliers (source)
If someone has a diagnosed deficiency, especially due to absorption issues, their provider might start them on weekly injections
The cost differential can be substantial, with cyanocobalamin costing roughly one-tenth the price of methylcobalamin in pharmaceutical quantities