What vitamin is good for mental focus?

What vitamin is good for mental focus? Like vitamin D, vitamin B12 has so many mental benefits. Getting enough vitamin B12 may give you more energy, improve memory, and make learning new things easier. It also has been shown to help improve mood and lessen depressive symptoms.

Like vitamin D, vitamin B12 has so many mental benefits. Getting enough vitamin B12 may give you more energy, improve memory, and make learning new things easier. It also has been shown to help improve mood and lessen depressive symptoms.