does the b12 injection have side effects Vitamin Injections Near Me: Cost, Benefits & Safety vitamin b12 injections benefits and

Heres how specific conditions can impact the use of B12 shots: Heart Disease: While B12 is essential for overall health, excessive amounts of vitamin B12 in the body may sometimes cause an increase in certain heart disease risk markers, particularly for individuals with pre-existing cardiovascular conditions

Use during the immunization period can promote the production of immunity of chickens, ducks, and geese, and improve the success rate of immunization

And then I would point out that there seems to be something else going on regardless of the amount of B12 in the patients blood

PMID 18843658

Mecobalamin is the active coenzyme form of Vitamin B12 that helps in the regeneration and protection of damaged nerves