can liquid b12 be injected Vitamin Injection Dosage for Adults: Guidelines B12 Injections: Who Should Get
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Vegetarians and vegans

Local administration of methylcobalamin and lidocaine for acute ophthalmic herpetic neuralgia: A single-center randomized controlled trial

"Associations of Maternal Vitamin B12 Concentration in Pregnancy With the Risks of Preterm Birth and Low Birth Weight: A Systematic Review and Meta-Analysis of Individual Participant Data"

This condition is caused by a lack of an intrinsic factor in your system

So whos right

Endocrine Research