Question: how much caffeine is in a lipton diet green tea?
Answer: This tea is calorie-free and contains a number of ingredients in addition to green tea, including aspartame, citric acid, sodium hexametaphosphate and ascorbic acid, which is vitamin C. Diet Lipton Mixed Berry Green Tea also has 9 milligrams of caffeine per 8-ounce serving, but doesn't specify the amount of catechins.