Supplement guide

Green tea: What It Is, Forms, Cautions, and Clean Brands

By Clip The Veil Editorial Team ยท Updated October 28, 2026

Loose green tea leaves, a cup of green tea, a bamboo whisk and matcha powder

Green tea is green tea extract, rich in the antioxidant EGCG. It supplies antioxidants and supports healthy metabolism.*

Forms and what to look for on the label

Check the EGCG amount per serving and the caffeine content.

Before you take it

Concentrated extracts have been linked to rare liver injury, especially taken on an empty stomach. Take them with food and stay with the labeled dose.

See green tea brands that meet our standards