what is vitamin b12 injection used for Best Sites Vitamin B12 Injections | Energy

Because 10 to 30 percent of older people may be unable to effectively absorb vitamin B 12 naturally occurring in foods, those older than 50 years should meet their RDA mainly by consuming foods fortified with vitamin B 12 or a supplement containing vitamin B 12

The needle is inserted at a 45-degree angle, just below the skin, as opposed to deep into a muscle

"Unexpected high plasma cobalamin: proposal for a diagnostic strategy"

Waiting less than 30 minutes introduces competing substrates that reduce effective dose

Asymptomatic : In asymptomatic patients with risk factors (see Table 1: Patient Risk Factors Associated with B 12 Deficiency above) consider supplementation in lieu of testing