are b12 injections effective Vitamin Injections: Benefits for Your Health b12 injections good for you

The first step is confirming that B12 is genuinely needed

It is found in meat, fish and dairy products and has an important role in many cell functions

While vitamin B12 deficiency is associated with optic neuropathy, its presentation typically involves gradual, painless, bilateral central vision loss due to damage to the optic nerve, and it is rarely associated with the acute, painful onset characteristic of optic neuritis

Some contraindications (reasons not to take B12 shots) include: Allergies to cyanocobalamin or methylcobalamin Kidney or liver disease Eye issues, especially if you have Lebers disease A current infection If youre taking medication related to bone marrow You should talk to your doctor about the above conditions before getting B12 injections