intrinsic factor test after b12 injection - Intrinsic Factor Antibody Test Intrinsic Factor: The Stomach Protein
Description
Why do I feel so bad after B12 injections? Can this really happen

Journal of the Royal Statistical Society: Series A (Statistics in Society) 2009;172(1):13759

You are advised to consult with a qualified healthcare professional for any medical concerns
If this is the case, then oral vitamin B12 supplementation may not be enough
