👉 Tonnin, also known as nontannin (pronounced "no-ta-nink"), is a type of tea that originated in India and is made using a method called "tannin isolation" or "tannin extraction". The process involves breaking down the tannins present in the leaves to release their essential chemical constituents, which are then used to create a variety of teas. Tonnin is commonly consumed as an herbal tea and is known for its strong, earth