Guarana extract helps to fight migraines. It boosts concentration and improves memory, therefore, it should be chosen by learners. This extract reduces feelings of physical and mental fatigue.
Additionally, it supports immunity and helps to lose weight, as it contains caffeine, which accelerates the process of burning the fat tissue. A fun fact is that guarana can also be used to treat erection problems, as it improves blood flow and expands the blood vessels.
