Tetley Green Tea is a fantastic source of antioxidants. With the new Tetley Green Tea Immune Range, all of the goodness now comes with the added immunity strength of added Vitamin C. Vitamin C helps boost your body's immune system, while anti-oxidants assist detoxify your body from within. This calorie-free green tea has a long list of advantages, including improving fat metabolism, keeping you hydrated, and making you feel light and lively. These green tea bags are 100% plastic-free and staple-free, with a focus on sustainability. The flavour varieties are made entirely of natural ingredients. # A cup of green tea contains 5 times (5X) the antioxidants found in an apple. (USDA Flavonoid Content of Selected Foods Database, Rel 3. 3 March 2018) Green Tea Tetley is unquestionably a good source of antioxidants. With the new Tetley Green Tea Immune Range, all of the goodness now comes with the added immunity strength of added Vitamin C. Vitamin C helps boost your body's immune system, while anti-oxidants assist detoxify your body from within.