In bacteriostatic water, most peptides maintain acceptable stability for four to six weeks
A quick search on the internet revealed clinics offering private treatments for people who have not necessarily been diagnosed as being vitamin B12 deficient: $30 for Five Week Wellness Package with Vitamin B6 and B12 Injections at Fit Medical Weight Loss ($150 Value) Here is a London based clinic offering Vita Boost injection injections of vitamins B12 into the body, helping keep energy levels up as well as general well being
For laboratory and research use only not for human or veterinary use
PubMed Tkalcevic, V.I., Cuzic, S., Brajsa, K., Mildner, B., Bokulic, A., Situm, K., Perovic, D., Glojnaric, I., Parnham, M.J
It could indicate bacterial contamination, that the peptide has not fully dissolved, or that it has crashed out of solution due to improper reconstitution or a pH issue