how often do you give b12 injections Shots at Home: How, Where & to Inject Yourself How Often Should I Get

A fixed stock concentration or solution-storage period should not be stated unless it has been supported by solubility and stability data for the exact salt form and batch

The elevated B12 appears to be a consequence of disease activity, likely resulting from increased production of B12-binding proteins by tumor cells or from liver involvement in the cancer process

"GHRP and its analogs: biological activity and clinical potential." Trends Endocrinol Metab

Proper storage is essential to preserve stability, integrity, and research reliability

That did not happen here and nobody claims it did

The shoulder Experienced doctors commonly administer B12 injections into the upper arm area by inserting the injection into the deltoid (shoulder) muscle