First of all, it's not unique even to semaglutide
It is billed to Medicare Part B and most commercial payers when a patient receives a medically necessary cyanocobalamin injection for conditions such as pernicious anemia or documented B12 deficiency
People with a personal or family history of medullary thyroid carcinoma (MTC) or Multiple Endocrine Neoplasia syndrome type 2 (MEN2) should not take it
1 Stored primarily in the liver, vitamin B12 plays an important role in several essential bodily functions, including: 2 DNA synthesis Healthy red blood cell formation Central nervous system development and function Enzyme function Interest in vitamin B12s role in long-term health has grown in recent years not only because it helps support neuron function, learning, and memory, but also because some research has explored whether elevated vitamin B12 levels may be associated with certain cancers
Molecular Formula : CHN Molecular Weight : 159.21 g/mol PubChem CID : 950107 CAS Number : 42464-96-0 Synonyms : 5-amino-1-methylquinolinium Source: PubChem NNMT catalyzes the methylation of nicotinamide, a key precursor in the NAD+ salvage pathway
See these diagrams: Source: Clinical Procedures for Safer Patient Care by Doyle & McCutcheon