Vitamin B12 is what is known as an essential nutrient. That means two things: First, an essential nutrient is a chemical ...

B12 is available as either oral tablets or prescription vitamin B12 injections, sometimes referred ... see how vitamin B12 ...

Vitamin B12 has several primary functions in the human body, including ... provider will give this as an intramuscular (IM) ...

Initial symptoms of vitamin B12 deficiency, such as fatigue, nausea, and loss of appetite, are often basic and remain ...