where are b12 injections given vitamin Store How to inject B12 in your arm B12 Injection Dosage and Frequency:

They consider the patients health history, how severe the deficiency is, and any conditions that might affect how well the body absorbs B12

The goal is to keep the deficiency from coming back

Since your body naturally does not make vitamin B12 on its own, you will have to take it from another source like animal-based foods, pill supplements, or injections

Any findings referenced are derived from experimental models and controlled research settings and should not be interpreted as therapeutic or clinical outcomes

Rarely, people might have allergic reactions like hives or swelling

High doses of B12 may worsen the disease and cause irreversible damage to the optic nerve