Cold-brewed tea from Darjeeling tea leaves. This tea plant from the Darjeeling region of India is seen as exclusive and of high quality. Careful cultivation gives this black tea its characteristic aroma: fruity, spicy, and a touch bitter-sour. The combination of the tannins naturally present in black tea and the healing properties of sarsaparilla means this iced tea boosts your immune system through powerful antioxidants.