Avocado and matcha

Avocado is a source of vitamin E, which supports brain function and concentration. It is also a source of potassium. Unsaturated fatty acids and fiber, which can lower blood sugar levels, are also present.
Matcha tea is a concentrated green tea which is rich in antioxidants and helps the body to detoxify in a natural way. Positive effects on the mind such as calming one and helping with concentration are also features of green tea.
Chlorella is a type of algae that contains the essential vitamin B12, which is very rarely found in vegetarian diets.
Avocado
Matcha
Chlorella