b12 painful injection joint pain after Do you feel easily tired, lack energy, or experience high stress pain at b12 injection site

J Pept Res

MIC B12 injections may be a good option for those with B12 deficiency, as well as those with certain medical conditions that may benefit from increased B12 levels

And anyway the authors of the Cochrane Review state that the patient should absorb the 1% passively should, not will

The published research on oral B12 bioavailability consistently shows around 1% absorption meaning of a 1000mcg oral dose, only about 10mcg actually reaches your cells

The systematic review of various evidence and studies suggests that a higher dietary intake of B vitamins could lower the risk of advanced macular degeneration