Vitamin B12 is commonly taken as a supplement because of certain dietary restrictions, but it may not be right for everyone.

If you're a vegan or vegetarian and don't eat meat, seafood or dairy products, chances are you may have been told to pay attention to your vitamin B12 levels. That's because these types of foods are great sources of vitamin B12. This vitamin plays a significant role in the body by supporting your nerve health, the creation of red blood cells and your energy levels and mood.

Whether you have a vitamin B12 deficiency or want to prevent one, these are the vitamin B12 supplement benefits and risks to consider. Make sure to speak with your doctor first before taking any supplements.

What is vitamin B12?

Vitamin B12 contains cobalt, hence its name, cobalamin. It's a water-soluble vitamin your body uses to create red blood ...