Anti-Fatigue, Circulation, and Immune Supporting Siberian Wild Tea Siberian Green Ivan Chai with Aronia Berry Tea is a premium blend of herbal fireweed (Ivan Chai) and aronia berry sourced from the crystal clean Altai region of Siberia. Its earthly and rich taste is enhanced by the purest herbal infusion, giving it a smooth aftertaste. The tea is free from any caffeine which means it would help increase energy, sipping during circulation and boost immunity without feeling jittery which coffee and traditional teas have. Why Choose Siberian Green Ivan Chai with Aronia Berry Tea? * Natural and Pure Ingredients – Rosebay Ivan Chai along with the aronia berries are wild harvested from deep within the Siberian wilderness without touching any processes.