The seed of the kola tree, chewed or brewed in parts of West Africa, provides caffeine and small amounts of theobromine. This entry covers the raw botanical, not the soft drink.
People use kola nut for a mild energy lift and sharper focus. It’s taken as tea, extract, or supplement in the morning or early afternoon to match the caffeine’s timing.
Kola nut raises heart rate and blood pressure. Avoid it if you have arrhythmias, coronary disease, anxiety disorders, or high blood pressure. It can clash with stimulants and heart medications. Do not use during pregnancy or breastfeeding. Late-day use can disturb sleep.