Cancerwise

Vitamin B12, also known as cyanocobalamin or cobalamin, is a water-soluble vitamin. It plays a role in many bodily functions including:

• Blood cell function
• Brain function
• Nerve function 
• Metabolism
• DNA synthesis

Many people can get enough vitamin B12 through diet. However, some people can’t get enough B12 through the foods they eat due to health conditions or cancer treatments such as chemotherapy and surgery.

Here, I’ll answer common questions about vitamin B12, including its sources, how to tell if you’re getting enough and what to do if you have a deficiency.