vitamin b12 injection strength B-12 1000 (VetOne), 100 mL vitamin b12 injection dose once
Description
Injectable forms have better bioavailability and more consistent absorption compared to oral versions
Extremely fast service

B12 also protects the nervous system and without it someone can develop tingling in the hands or feet

If you use another B12 injection kit (hopefully not cyano B12), aim for at least 1 mg of B12 per shot, which is plenty