Pure Leaf black iced tea vs Arizona Green Tea: which has more caffeine?

Pure Leaf black iced tea has more caffeine than Arizona Green Tea on both counts: 54mg per 18.5 oz bottle against 7.5mg per 8 oz serving (23 oz can holds ~21.5mg), and about 3mg per fluid ounce against 1. The serving sizes differ, so the table below shows both ways of counting.

Pure Leaf black iced tea vs Arizona Green Tea: the numbers

Sources: Pure Leaf black iced tea's figure is verified in our Pure Leaf black iced tea caffeine guide against PepsiCo label data (source); Arizona Green Tea's figure is verified in our Arizona Green Tea guide against Arizona published figure / Caffeine Informer (source).

The concentration gap is the striking part: Pure Leaf black iced tea packs roughly 3 times the caffeine per ounce. Sipping speed matters at that density; a 18.5 oz bottle finished in minutes hits differently than the same milligrams spread over a slow cup.

Which one should you pick?

Pick Arizona Green Tea when you want the lighter dose or a slower ramp, and Pure Leaf black iced tea when you actually need the bigger hit and know your tolerance. If you are stacking either with other caffeinated drinks through the day, run the math against the 400mg reference rather than guessing.

For context, the FDA cites 400mg of caffeine a day as an amount generally not associated with negative effects in healthy adults. Tolerance and health vary, so treat these numbers as information, not advice.

Related reading

• Pure Leaf black iced tea: the full caffeine guide
• Arizona Green Tea: the full caffeine guide
• The verified caffeine database

FAQ

Does Pure Leaf black iced tea or Arizona Green Tea have more caffeine? Pure Leaf black iced tea: 54mg per 18.5 oz bottle versus 7.5mg per 8 oz serving (23 oz can holds ~21.5mg) for Arizona Green Tea.

Which is stronger per ounce? Pure Leaf black iced tea, at about 2.9mg per fluid ounce versus 0.9mg for Arizona Green Tea.