fda warning letter bpc-157 peptide not approved Approval Status: Is It for Human Use? Injectable Peptides: Out of the
Description
"Comparative Bioavailability and Utilization of Particular Forms of B12 Supplements With Potential to Mitigate B12-related Genetic Polymorphisms", Integrative Medicine: A Clinician's Journal (Encinitas)

Use bacteriostatic water, added slowly against the vial wall

Sarton, E

Clinical B12 deficiency with classic haematological and neurological manifestations is relatively uncommon
[7] The reconstituted NAD+ is not preserved for long periods at room temperature, so refrigeration is necessary to slow any breakdown of the product