Your body can't produce vitamin B12 on its own, so getting it from your diet is important. If you're just starting to study it, we'll help you understand it further.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When it comes to giving your body the key nutrients it needs, how often do you think about vitamin B12?

Vitamin B12 foods are mostly animal-based like salmon or cheese, but it can also be found in fortified plant-based foods like nutritional yeast.

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"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When it comes to giving your body the key nutrients it needs, how often do you think about vitamin B12?