self administered vitamin b12 injections at Home - Safety Guide for Self-Administration Vitamin b12 Injection | CardioMender,

5-amino-1MQ is a small molecule that inhibits the activity of the enzyme called nicotinamide N-methyltransferase (NNMT)

That second pathway explains why prolonged deficiency causes neurological damage and not simply anaemia

A study in the Journal of Clinical Biochemistry says, Vitamin B12 deficiency can cause big problems with nerves and blood. Vitamin B12 is key for making DNA, fatty acids, and energy. Source: Journal of Clinical Biochemistry Common Signs of Deficiency A Vitamin B12 shortage can show in many ways, like: Fatigue and weakness Numbness or tingling in hands and feet Difficulty walking Mood changes, such as depression Spotting these signs early is key for quick action

Practitioner Roles & Responsibilities

Children may be given a total of 1 to 5 mg over a period of 2 or more weeks in doses of 100 mcg, then 30 to 50 mcg every 4 weeks for maintenance