b12 subcutaneous injection needle size what do i need for injections what gauge needle/size syringe for B12 what gauge needle to use

After injecting, wait a moment before withdrawing the needle to ensure all medication is delivered

synthesized by certain bacteria Although the intestinal flora of humans is able to synthesize vitamin B 12 , humans are not able to absorb bacteria-generated vitamin B 12 since the location of synthesis (the colon) is too distal from the location of absorption (the small intestine)

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Without treatment, vitamin B12 deficiency can cause physical, neurological and psychological problems

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