One of the major extract of African Kolanut is Caffeine and this extract is responsible for many of its numerous acclaimed benefits to the human body, as much as kolanut has many benefits for the human body, it also has many adverse effects when consumed excessively. This caffeine works as a stimulant for the tissues of the Central Nervous.......read more on https://alawiiyeyoruba.com/effects-of-kolanuts-caffeine-on-our-health/