In that case, the safest option is to contact your supplier about a replacement
In biochemical and cellular research systems, cagrilintide interacts with amylin receptors formed by calcitonin receptor complexes, activating downstream signalling pathways involved in appetite regulation, gastric emptying, and metabolic homeostasis
They fall instead under the general remit of the Human Medicines Regulations 2012, which is why unlicensed injectable preparations cannot lawfully be supplied for human administration regardless of "research use only" labelling [3][4]
B12 injections are also used to treat people with malabsorption (gastrointestinal conditions that prevent proper absorption of B12 from the gut), for example, people with atrophic gastritis (stomach inflammation) and intrinsic factor deficiency (pernicious anemia) or those who have undergone surgical procedures such as gastrectomy or small bowel resection (stomach or intestine removed), autoimmune diseases, etc
These are claim patterns and personal reports, not clinical evidence
One vial contains 5,000mcg (enough for 10-20 doses depending on protocol)