vitamin B12 shots contain a synthetic version of B12, otherwise known as cyanocobalamin. Although even high dosages of ...

The following are potential health benefits of vitamin B12 supplementation ... will give this as an intramuscular (IM) ...

you will see no benefits from high dose B12 shots, says Dr. Jorge Moreno, a Yale Medicine internist and assistant professor of medicine. Here's what you need to know about vitamin B12 injections ...

Here's what you need to know about vitamin B12, from the science-backed health benefits to recommended daily intake. Red blood cells carry oxygen from our lungs to tissues throughout our body.