Bitter Kola is the edible seed of a flowering plant found in West Africa, the seeds, stem, and leaves of this plant all have medicinal value. It has a bitter taste when chewed fresh but when dried, the taste becomes milder. It becomes sweeter the longer you chew it and you can chew it daily for a dose of caffeine. Most of the benefits of kola nuts are connected to its high caffeine content, which increases energy and reduces hunger. It helps to give  metabolism a boost. It aids digestion because it promotes the production of gastric acid, which increases digestive enzyme effectiveness in the stomach. The caffeine and theobromine in the kola nut speeds up the heart rate, which increases circulation.