There are 55 milligrams of caffeine in each 8-ounce serving of Lipton Black Tea. The Pure Green Tea variety contains 35 milligrams of caffeine in an 8-ounce serving.
Lipton offers a variety of teas, each containing a different amount of caffeine. The lowest amount of caffeine, 0 milligrams per serving, can be found in Lipton's herbal teas. Decaffeinated versions of the teas contain small amounts of caffeine, typically 5 to 10 milligrams in each serving. The brew length and amount of tea used to brew a single serving of tea can affect the amount of caffeine found in each serving.