Vitamin B12 Benefits and Best Sources

Forms healthy red blood cells and DNA


Red blood cells deliver oxygen throughout your body, which turns into the energy needed to keep your body functioning in a healthy way.

Helps with brain function


Ever heard of someone catching a stomach bug? This is just that: If you’ve caught a viral or bacterial infection, your whole body is going to go through it. 

Boosts energy levels


If your vitamin B12 level is normal, there isn’t much research that suggests taking vitamin B12 will boost your energy.

May reduce risk of macular degeneration


As vitamin B12 has such an essential role in supporting healthy red blood cells, including more of it into your diet may help reduce your risk.

How do I know if I have a vitamin B12 deficiency?


 that helps your body absorb vitamin B12, or if you don’t eat enough vitamin B12 foods, you may develop a deficiency.


You may not realize it, but vitamin B12 can be found in some of your favorite foods. “There’s no reason to completely change your diet in order to get a healthy dose of vitamin B12,” says Taylor.


If you’re taking vitamin B12 supplements in addition to the vitamin-rich foods you’re consuming, you could experience diarrhea, nausea, vomiting and headache.

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