taking folic acid with b12 injections Curevit-12 Injection Folic Acid Injection 5 mg

8 A case-control study that compared 25,956 patients who had vitamin B 12 deficiency with 184,199 control patients found a significantly increased risk of vitamin B 12 deficiency in patients who had taken proton pump inhibitors (odds ratio = 1.65) or histamine H 2 blockers (odds ratio = 1.25) for at least two years

Bioinformatic and genetic association analysis of microRNA target sites in one-carbon metabolism genes

Vitamin B12 can then be absorbed into the bloodstream via endocytosis in the distal ileum, or by passive diffusion in the absence of intrinsic factor.2 Pernicious anemia (an autoimmune disease) affects the gastric mucosa, leading to destruction of parietal cells and failure to produce intrinsic factor, resulting in vitamin B12 malabsorption and eventually deficiency

You might take B12 for energy, but actually be low in folate