Injections : Often necessary for severe deficiencies, injections deliver B12 directly to the body and offer longer-lasting benefits
They are effective in combatting fatigue, anemia, mood swings, and "brain fog
Here's how we walk patients through it
[DOI] [PubMed] [Google Scholar] 44.Sikiric P., Seiwerth S., Mise S., Staresinic M., Bedekovic V., Zarkovic N., Borovic S., Gjurasin M., Boban-Blagaic A., Batelja L., et al
But leaving a vial on the counter overnight, or in a warm car, or in a non-climate-controlled room can cause measurable potency loss
Persistently high results could signal a blood disorder, a malignancy or a problem with the liver or kidneys