b12 injection hurt Vitamin Injections why is vitamin b12 injection
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Do not inject the medicine at this time
Frequently Asked Questions What Foods Are High In B12
[127] [128] Synthesis [edit] Biosynthesis [edit] Vitamin B 12 is derived from a tetrapyrrolic structural framework created by the enzymes deaminase and cosynthetase which transform aminolevulinic acid via porphobilinogen and hydroxymethylbilane to uroporphyrinogen III
You might also feel numbness or tingling in the hands and feet , have trouble walking, or notice changes in thinking
