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Compounding and the FDA: Questions and answers
10.1074/jbc.M109.062844 122 TraversoN.RicciarelliR.NittiM.MarengoB.FurfaroA
Evaluate Common Causes Review sleep, anemia, iron and B12 status, thyroid disease, diabetes, medications, infection, heart or lung disease, depression, nutrition, and substance use when symptoms suggest them
Get your B12 levels evaluated and choose the right treatment with your doctor
If your serum B12 level was 0 then I'm guessing you feel really ill
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