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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
Heffernan, M., et al
With B-12 levels replenished, daily energy returns naturally
Beta diversity Beta diversity was determined using the unweighted UniFrac, weighted UniFrac, and BrayCurtis dissimilarity measures
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