is b12 tablets as good as injections Vitamin for MTHFR: Injection or sublingual B12? – Methyl-Life® Supplements Can you take a B12

Additionally, excessive alcohol consumption can affect vitamin B12 absorption and metabolism, potentially reducing the efficacy of the cyanocobalamin component

This one instance where one would need a lifetime treatment of vitamin B12 injections

doi:10.3390/nano11030743

A 2020 study found that those with vitamin B12 deficiency may present with cognitive disorder, though the deficiency was not shown to be a direct risk factor for cognitive decline ( However, results have been mixed and treatment with vitamin B12 wasnt effective at improving brain function in people with normal brain function ( Depression Its been suggested that there may be a link between low vitamin B12 levels and depression