tea. coffee. chocolate. flavourings and extracts, such as: kola. guarana. yerba mate. Caffeine can have a number of benefits, including: Improved mood Caffeine can boost the production of neurotransmitters like dopamine, serotonin, and noradrenaline, which can improve your mood. Better brain function Caffeine can improve alertness, short-term recall, and reaction time. Reduced risk of depression Some studies have found that people who consume caffeine have a lower risk of depression. Lower risk of suicide One study found that people who drank 2 to 3 cups of caffeinated coffee per day had a 45% lower risk of suicide. Reduced risk of chronic illnesses Caffeine may reduce the risk of developing chronic illnesses like cardiovascular disease, diabetes, Parkinson's disease, and some cancers. Improved physical performance Caffeine can stimulate your nervous system, which can help with muscle contractions and boost endurance, speed, and strength. Lower risk of liver disease Some studies have found that coffee drinkers have a lower risk of liver disease, including liver cancer. Caffeine is a natural stimulant found in many foods and beverages, including coffee, tea, chocolate, and energy drinks. The FDA recommends that caffeine intake be limited to 400 mg per day Bones and joints Digestive health Immunity and ENT Stress and sleep Vitality and cognition