sore arm after b12 injection Shots at Home: How, Where & How Often to Inject Yourself Why Does Upper Arm Soreness

This machine is equipped with vial washing station, sterilizing station, filling and stoppering station and sealing station

ISBN 9780121818821

Inflammation haptocorrin levels can increase due to granulocyte activation or as an acute phase response Decreased clearance: Renal failure decreased clearance of transcobalaminB12 complexes Mechanism: Most elevated B12 is not free or biologically active , but rather bound to haptocorrin , which has a long half-life and is increased in certain diseases

So far, Im satisfied with how its working." Source: Reddit - r/WeightLoss 6

If your serum B12 level was 0 then I'm guessing you feel really ill