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If a person has a raised MCV, I will go on to check vitamin B12 levels
Summary In summary, Vitamin B12 is an essential nutrient that plays a vital role in maintaining energy levels, cognitive function, metabolism, and overall health
[12] There is no evidence that high-dose biotin provides any benefit in pregnancy, and the safety of large doses has not been established
10.21203/rs.3.rs-6765575/v1 7
[3] Controlled evidence demonstrating clinically meaningful weight loss from these injections is lacking
Takeaways It can take years to see the effects of vitamin B12 deficiency anemia
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