The role of green coffee bean in human health is of emerging interest to the nutraceutical field, especially given its role in improving metabolic syndrome. Green coffee bean extract contains a novel antioxidant known as chlorogenic acid which has been shown to positively affect blood pressure, brain health, diabetes and weight management. This book provides information on the diverse health benefits of green coffee bean extract, molecular mechanisms and signaling pathways, safety of green coffee bean, dosage and recommended usage.