The majority of people drink coffee to start their day. Many would also drink coffee to wrap up their work each day. Coffee consumption is therefore a significant aspect of contemporary daily life. Coffee is said to have an alerting effect on the human brain, which is why scientists believe that humans are driven to develop science. Coffee intolerance may vary from person to person, though, as some claim to have irregular heartbeats or headaches as a result of drinking coffee. Coffee contains more caffeine than any other food item because it is a naturally occurring alkaloid. Diterpenes, phenolic chlorogenic acid, and caffeine are among the many compounds that make up this complex mixture. Coffee contains potassium, niacin, magnesium, and antioxidants like tocopherols in addition to these and other ingredients, which may be involved in its biological activity. Green coffee contains polyphenol compounds, which are a natural source of antioxidants and primarily consist of chlorogenic acid. Coffea Arabica (Arabica) and Coffea canephor (Robusta) are the two commercially available varieties of green coffee beans. Green coffee's abundance of potent phytochemicals gives it its characteristics. This investigation aimed to identify the components and properties of green coffee bean extracts.