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vitamin b12 by intramuscular injection rather than orally Oral vs. in Vitamin B12 Deficiency • The Blood Project B12 Shots vs. IV Infusions:
Description
Kidneys: The kidneys contain significant amounts of vitamin B12
I will do some more research

There are many sites on the body that are safe to give Subcutaneous shots

An autoimmune-induced formation of antibodies, i.e
Pelvic thrusting or overarching of the trunk (opisthotonic posturing)

Discuss baseline B12 testing with your healthcare provider to determine your personalized supplementation needs
