before you give a b12 injection questionaire Vitamin Screen 3 monthly injections : r/B12_Deficiency
Description
How might genetic factors affect my MIC B12 response

It is also used for the treatment of optic neuropathies, such as tobacco amblyopia and Leber's optic atrophy

While the implications for SARM1 in regulating axonal fate are well-established, the sensing mechanisms of this protein complex toward NAD + , NMN, or even possibly toward other NAD + metabolites are not fully understood, and may suggest that also the other NAD + metabolites could regulate more biological processes than initially thought 54

If sedation is planned, drugs such as benzodiazepines or opioids are sometimes given to help you relax
