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You can speak to the doctor and get a blood test to check your levels of B12
Jenssen, H
Improved mood and cognition: Adequate B12 helps regulate neurological and cognitive function, which can elevate mood, sharpen memory, and reduce brain fog
Meanwhile, overall aging indicators were significantly improved: locomotor activity and endurance were enhanced, hair gloss increased, levels of aging-related inflammatory factors (such as TNF-, IL-6) decreased, and the average lifespan of mice was prolonged
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