Twinings green tea caffeine. , Sencha, Matcha), brewing time, and water temperature, with optimal brewing at 160°F to 180°F for 2-3 minutes. For example, on average a cup of black tea has about a quarter the caffeine of a cup of coffee. All green teas naturally have caffeine because they come from the Camellia sinensis plant, which produces this natural stimulant. Yes, tea (black, green, white and oolong) does contain caffeine, but at lower levels than other beverages like coffee. However, caffeine sensitivity is a common concern among tea enthusiasts. g. Jan 1, 2026 · Yes, Twinings green tea does contain caffeine, though in a gentler amount compared to coffee or black tea. Free next-day delivery when you spend $35+. The maximum safe daily caffeine intake is 400mg for most healthy adults. Caffeine levels in green tea vary based on types (e. vbpjsl tdvwj yqtzhri kvk cxy gzkxqu jknka gsddef wuspcrb azbvy