are b12 injections better than oral supplements Vitamin vs Injection Vitamin Injections vs. Oral Supplements:
Description
doi: 10.1186/s13045-022-01395-0 83 PagetS

But the signs of liver damage usually remain unnoticed until the disease has reached an advanced stage

Emergency-Trained Leadership All IVs are administered by licensed nurses with extensive clinical experience

In summary A vitamin B12 injection is not something that you can easily buy from a grocery store
