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Regular B12 injections can be particularly beneficial for individuals who are unable to absorb vitamin B12 adequately from their diet or supplementsa challenge that may arise due to several medical conditions or lifestyle factors

Symptoms depend on dose and form and can be subtle, so anyone concerned about exposure should be evaluated by a healthcare provider promptly

Zhou J, Hao J, Wang D, Wu J, Wang Z, Lin P

Before injection, that powder must be dissolved into a liquid carrier and bacteriostatic water is the standard choice because the 0.9% benzyl alcohol in it prevents microbial contamination during the multi-week dosing period

Tsermpini EE, Plemenita Ilje A, Dolan V