Jan 2015;40(1):17-22
Update units at every dose escalation
While these options can be effective and timesaving, patients should ensure any provider is licensed, uses sterile supplies, and offers clear guidance on dosing, frequency, and possible side effects. How Often Are B12 Injections Given
Purchasing from unverified vendors carries documented risk: no guarantee of purity, composition consistency, or absence of contaminants far from the standards expected of regulated products
[1] However, for pernicious anaemia or deficiency with neurological symptoms, intramuscular hydroxocobalamin is the recommended treatment in the UK
It is important to be informed and be sure to talk to your doctor before taking any supplements, as they will be able to give you the best advice on how to get enough of this important nutrient