Respuesta :

Answer:

1)Dark chocolate. Dark chocolate contains cocoa, also known as cacao. ...

2)Berries.

3)Nuts and seeds

Answer:

Vitamin B, C and E, Magnesium, Beta Carotene.

Those vitamins help to improve brain function if a person has deficiency in any of them. If a person deficiency these supplements are unlikely to improve mental perfomance..

Explanation:

Hope its help you...