how safe are vitamin b12 injections Compounded Cyanocobalamin (Vitamin B12) Injection Vitamin B12 injections for MTHFR:

If youre given a prescription, youll get all critical information, including: How frequently to give yourself an injection (usually once or twice a week) How to self-inject (many customers tell us its easy and relatively painless)

DNA repair and cellular maintenance NAD fuels enzymes like PARPs (poly ADP-ribose polymerases) that repair damaged DNA

However, clinical evidence tells a more nuanced story

Discuss any medical conditions or allergies with your provider

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However, a study found that taking 1,000 mcg of B12 by mouth or injecting the vitamin achieved similar results in treating the deficiencies