Green Tea Supplements: Market Outlook Green tea is the most commonly consumed tea all around the globe. Like green tea, Green Tea Supplements is also a great source of antioxidants. A green tea leaf consists of four key epicatechin derivatives: epicatechin (EC), epigallocatechin (EGC), epigallocatechin gallate (EGCG), and epicatechin gallate (ECG). Green tea supplements is …