how long does a b12 injection take to work It for Injections Work? How Long Does a B12

Seniors are also more vulnerable as their body cant assimilate vitamin B12 well, due to a reduction in gastric acid in the intestines

Some may have difficulty absorbing this form, confer with your provider to discuss what would be best for you

If you are alone, the outer- anterior thigh is likely the easiest way to administer the injection but may cause more discomfort than the upper buttocks

People with Pernicious Anemia : This disorder cripples the bodys ability to absorb vitamin B12, thus causing deficiency and manifestations of deficiency symptoms

However, this storage is not responsible for high vitamin B12 levels and such elevations are rarely due to excessive dietary intake 4 , 5