Must Read: Superfoods For The Brain: What YOU Should Eat Before Exam!

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To some students, having the right kind of food before exams is just an option. However, according to dietitian Clare Evangelista, the brain requires essential nutrition to guarantee optimum performance. Think of it like having consistent study habits to gain the best results, the best way to achieve mental sharpness is to incorporate healthy diet every day.

According to LiveStrong, eggs, seeds, nuts, beans, and another source of protein is essential as it produces amino acids. Amino acids are required to make neurotransmitters - "the brain chemicals" - that help maintains mental sharpness and motivation. The best-known brain food is the nuts as it promotes waste removal processes in the brain, helps with the information storing, and enhance problem-solving skills.

On the other hand, foods that are rich in omega-3 are also good not only for the heart but also for the brain. Providing one's self with the adequate amount is important for learning, memory, and focus. This nutrient can be obtained from salmon, trouts, sardines or even on some nuts such as walnuts, cashews, and hazelnuts. It is also available in capsule forms but users should take note of the quality first, rather than focusing on the price as it may not be effective.

Developing Human Brain also noted on the efficacy of apples during an exam. This fibrous fruit contains acetylcholine, a natural chemical that works in the brain to help increase movement and sensory perception. Aside from alleviating anxiety, a study also shows students who have eaten the apples during lunch excel a 7 point increase in their test scores during afternoon exams.

Meanwhile, the "darling of the fruit world" blueberries are one of the best foods for the brain. It contains anti-oxidants that help improve memory, decision-making skills, numerical ability, and verbal comprehension. This superfood is also a protection against Parkinson's and Alzheimer's disease.