why vitamin b12 injections versus oral supplemnets vs. Supplements: Which is Better? B12 Injections vs Supplements: Which
Description
Vitamin B-12 shots are injections containing high levels of cyanocobalamin

Consumers should read labels carefully to ensure these fortified foods are included as part of their balanced diet, allowing them to achieve the recommended vitamin B12 intake without consuming animal products

A 2009 rat study by Sever et al

What happens if you take Vitamin B complex injections too frequently
