What is coffee? 1. Coffee is a widely-consumed stimulant beverage prepared from roasted seed of the coffee plants. 2. Coffee berries are produced by several species of small evergreen bust of the genus coffee. 3. The two most commonly grown species are coffee Robusta and coffee arabica. Coffee helps increase energy levels It is a well-established fact that coffee can refresh you and make you feel less tired. When you drink coffee, the caffeine from it gets absorbed in your blood and from there it travels to your brain. When the caffeine reaches the brain, it blocks adenosine, which restricts the functioning of neurotransmitters and increases the levels of the happy hormones, such as dopamine in the brain, which keep your energy levels spiked up. Neurotransmitters are chemical messengers of the brain Inside the coffee bean. What Is Caffeine? Caffeine is a white bitter, crystalline substance, extracted from different plants, the most popular one i