If you don't eat animal products, or you have a medical condition that limits how well your body absorbs nutrients, you can take vitamin B12 in a multivitamin or other supplement and foods fortified with vitamin B12
Under the TiC final rule (85 FR 72158), and as described in the TiC GitHub schemas for the In-Network File, Out-Of-Network Allowed Amount File, and the optional Provider Reference File, most group health plans and health insurance issuers must post pricing information, and such pricing information must be associated with a provider's NPI to ensure that consumers have reliable data and can make informed healthcare purchasing decisions
Vitamin B12 Cyanocobalamin Injection by American Regent is a sterile solution used to treat vitamin B12 deficiency and prevent associated conditions such as pernicious anemia and neurological disorders
Vitamin B12 is sensitive to heat, light, and air exposure, so storing the vials properly is essential to maintain potency
(2024b, August 23)
Freezing reconstituted solutions is generally discouraged