9. Coffee improves mental sharpness
caffeine is found in many over-the-counter health supplements. These include supplements for general health, and supplements for improving mental sharpness. Caffeine is known to be able improve circulation, your eye health, and your mental sharpness.
Coffee can help you wake up, use your brain and improve circulation. It also helps your brain fire in ways you never thought possible. Many people use coffee to get up in the morning because of its mental sharpness.