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It could be anything, from bad nutrition habits to co-morbidities: Lower serum vitamin B12 levels have been related to adverse metabolic health profiles, including adiposity
For Research Use Only
10.1038/cdd.2010.80 Cell Death Differ
A systematic review of enteric dysbiosis in chronic fatigue syndrome/myalgic encephalomyelitis
Methylcobalamin : A naturally occurring, bioactive form of B12 preferred for neurological conditions
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