administering a b12 injection Site For Shot Is it better to inject B12 into muscle or fat? Ivy Grove Surgery : Self-administration

Retrieved 4 July 2015

Verify that the elevated B 12 test result is not in error due to test interference (e.g., macroB 12 or heterophile antibody interference) by ordering another test (e.g., total homocysteine)

Deficiency can also be caused by poor absorption

Injections are far more effective, especially for anyone with an absorption issue like pernicious anemia, Crohns disease, or a history of gastric surgery

Early signs include tingling or 'pins and needles' in the feet and hands, numbness in the extremities, burning pain (often worse at night), balance problems, and muscle weakness

Use In Driving And Operating Machinery I VIT 12 COMBINATION PACK INJECTION 2.5ML does not usually affect your ability to operate machines or drive