Replacement therapy for vitamin B12 deficiency: comparison between the sublingual and oral route
Aims: To compare the efficacy of sublingual and oral administration of 500mg of cobalamin in subjects with cobalamin deficiency. Materials and results: Thirty subjects with low serum concentrations of cobalamin participated in the study. Subjects were randomly allocated to receive one tablet daily of 500mg cobalamin sublingually or orally, [...]