Vitamin B is often given as a standalone injection when needed, because B has a large molecular size and specific storage dynamics
Chitosan, as a natural cationic polysaccharide, has excellent biocompatibility, biodegradability and low immunogenicity
If you have a cat, they are very good at hiding any symptoms of feeling unwell so if you aren't sure if your cat is sick read this post on the signs of how to identify a sick cat and do what you can for them
For best preservation, many peptides should be stored at 4C or colder and kept away from bright light
One report of severe chest tightness in the 50 mcg/kg IV arm was deemed possibly related
If that magnitude of benefit doesn't justify the cost and inconvenience, MIC B12 injections are not the right intervention