A large reduction of red blood cells means that essential oxygen is not getting to all the tissues and organs that need it
Commonly reported side effects include mild pain, swelling, or itching at the injection site and sometimes nausea
There is no established clinical timeline, because the controlled trials that would establish one have not been done
For that reason, an untreated pernicious anemia often leads to neurological damage, which should explain why so many patients with neurological disorders such as Alzheimer, multiple sclerosis, peripheral neuropathy, and Bells Palsy, benefit from B12 shots
Vitamin B12 (also known as cobalamin) is a single, powerful vitamin that plays a big role in energy production, red blood cell formation, and nerve function