[51] Diagnosis [edit] According to one review: "At present, no 'gold standard' test exists for the diagnosis of vitamin B 12 deficiency and as a consequence the diagnosis requires consideration of both the clinical state of the patient and the results of investigations." [52] The vitamin deficiency is typically suspected when a routine complete blood count shows anemia with an elevated mean corpuscular volume (MCV)
Its normal for the solution to be yellow
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I commonly see iron deficiency with its symptoms of fatigue, restless legs, insomnia, cold intolerance, moodiness, and the upsetting thyroid hair loss results in many of my clients, even after they start thyroid medications like levothyroxine, Synthroid, and even Tirosint
Metformin , used in type 2 diabetes management, reduces B12 absorption through unclear mechanisms