The answer is yes. While vitamin B complex plays a role in energy, brain health, and other functions, taking too much can ...

B vitamins, or vitamin B complex, include eight nutrients involved in important processes within the body. Vitamin B complex has benefits for metabolism, energy production, and red blood cell ...

But the B vitamin complex is large, and some of these vitamins, like B12, get more attention than others. With that, it’s fair to wonder about the difference between vitamin B vs B12.