injections of vitamin b12 are used successfully to treat B/D/B12 Near Ne | Wilmington Urgent Care Clinic Vitamin B-12 3000 mcg Injection,
Description
in 2017, it has been the subject of approximately 15-20 peer-reviewed publications spanning metabolic disease, muscle biology, cardiovascular research, neurodegenerative disease, and cancer metabolism
What is Cyanocobalamin (Vitamin B12) Injection for Cats and Dogs

Chromatographic purity does not mean that 99% of the total powder mass in the vial is peptide

I have seen various GPs and been prescribed different medications but didnt see any improvement