This active form of vitamin B12 aids in the production of neurotransmitters like dopamine and norepinephrine

https://www.slideserve.com/bobbiehrjo/what-you-should-know-about-vitamin-b12-and-bone-density

This active form of vitamin B12 aids in the production of neurotransmitters like dopamine and norepinephrine, which are essential for mood regulation and focus