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The comparison with ranitidine, a standard acid-reducing medication, proved particularly instructive

is a Damon Runyon Fellow supported by the Damon Runyon Cancer Research Foundation (DRG-2431-21)

Even with B12 in the diet, absorption depends on stomach acid and a protein called intrinsic factor, both of which decline with age and with certain medications

[DOI] [PMC free article] [PubMed] [Google Scholar] 25.Han X., Fink M

About 70-80% of patients experience significant pain reduction after a series of 4-6 treatments over 4-6 weeks