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Light to moderate alcohol is usually fine, but heavy drinking can lower B12 levels and slow recovery
Initial investigations typically include a full blood count (including MCV), serum B12 and folate levels
Once you are finished, you should no longer see any powder in the HCG vial
For observational studies reporting serum vitamin B12 levels, the certainty of evidence was upgraded from low to moderate due to the large and consistent magnitude of effect across studies, despite heterogeneity
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