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Examples of foods with vitamin B12 include: eggs cheese fish shellfish liver kidney red meat Learn more about daily vitamin B12 intake

Another reliable approach is taking a high-quality B12 supplement , which ensures consistent intake

Relying on any single metric can be misleading

Try keeping track of exactly how much vitamin B12 you are consuming on a weekly basis and promptly consult your primary care physician if you start experiencing any adverse symptoms, like trouble sleeping at night or gastrointestinal discomfort you might want to lower your dosage if nothing else but your weekly vitamin B12 consumption has changed

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