If you're using a vial with a rubber top, wipe it thoroughly with an alcohol swab and give it about 30 seconds to dry completely
We don't have enough data to draw that conclusion, though
When Would I Need a B-12 Injection for Neuropathy
Cause of Low B12 levels Pernicious anaemia vegan diet malabsorption syndromes coeliac sprue Crohn's ulcerative colitis (UC) "food-bound cobalamin malabsorption syndrome" predisposing factors include atrophic gastritis, long term proton pump inhibitor or H2 antagnoist use, chronic alcoholism, gastrectomy/gastric bypass surgery, pancreatic exocrine failure, AIDS myeloma (paraprotein related assay interference) pregnancy combined oral contraceptive pill/HRT pancreatric insufficiency metformin, acute phase situations
The spectrum of peptide therapy ranges from major FDA-approved prescription drugs such as insulin and GLP-1 analogues used to treat diabetes and metabolic disorders, to specialized, off-label compounds for weight management
Safety-wise, intramuscular B12 is generally well tolerated