B12 is safe on its own, but a few conditions call for extra care, which is why a provider reviews your history before treatment: Leber's hereditary optic neuropathy, a rare inherited eye condition, where certain forms of B12 may be a concern for the optic nerve
While injections are a common method of administering Vitamin B12, there are alternative options available, such as oral supplements and nasal sprays
Unnecessary vitamin B12 shots costing Ontario millions, study finds Most seniors getting B12 shots in province don't need them, researchers say Almost two-thirds of Ontario seniors who received vitamin B12 shots had no evidence of a B12 deficiency, according to a study published in the medical journal JAMA Internal Medicine
For example, individuals with NAFLD exhibit increased intestinal permeability and prevalence of small intestine bacterial overgrowth, and these factors are associated with the severity of hepatic steatosis 19
Potassium replacement therapy should be administered if necessary (10, 13)