What is the deal with vitamin B12?


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What is vitamin B12? What does it do? Can you become deficient? Does it affect athletic performance? 

What is Vitamin B12 and what does it do?

Vitamin B12 is a water-soluble vitamin required for proper red blood cell production, neurological function and DNA synthesis.

Because of vitamin B12's influence on red blood cells and oxygen transport in the body, it plays a vital role in a triathlete's energy levels, health, training and performance.

Recommended dietary intake of Vitamin B12?

The National Institutes of Health (NIH) recommends an adequate intake of 2.4 micrograms (mcg) of vitamin B12. However, depending on your diet and activity levels, you may consider supplementing your diet with a B12 vitamin or multivitamin.

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