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**Neurological Disorders:** Supportive treatment in certain neurological disorders associated with vitamin B12 deficiency, such as peripheral neuropathy

Energy Levels: Vitamin B12 is essential for energy production and can help combat the fatigue and low energy levels that some people experience during the dark, cold months of winter

V.HabashiN.McCunnM.ShihD.McQuillanK.et al (2007)

Neuroactive multifunctional tacrine congeners with cholinesterase, anti-amyloid aggregation and neuroprotective properties

Epithelial cells lose their tolerance to commensal bacteria when they exhibit mitochondrial dysfunction [86]

Analysis is usually performed using culture, biochemical and sometimes optical methods