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More on this: Vegan and vegetarian sources of B12 To diagnose a vitamin B12 deficiency, doctors A doctor may order blood tests if they suspect a person has a vitamin B12 deficiency, including a complete blood count and tests to check levels of B12 and folate in the blood
Research on its long-term safety remains insufficient
Discuss the potential advantages and disadvantages with the healthcare physician if one is expecting or nursing
Think of it like pouring a beer along the side of a glass to prevent foam
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