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Relative Caffeine Content |
| Relative Caffeine Content of Beverages1 | The following is the approximate caffeine content of various beverages | Milligrams of Caffeine | | Item | Average per serving | Range | Per ounce* | | Coffee (5 oz. cup) | 80 | 40 - 170 | 16.00 | | Cola (12 oz. can) | 45 | 30 - 60 | 3.75 | | Black Tea (one tea bag) | 40 | 25 - 110 | 5.00 | | Oolong Tea (one tea bag) | 30 | 12 - 55 | 3.75 | | Green Tea (one tea bag) | 20 | 8 - 30 | 2.50 | | White Tea (one tea bag) | 15 | 6 - 25 | 2.00 | | Decaf Tea (one tea bag) | 2 | 1 - 4 | 0.50 | | Herbal Tea (one tea bag) | 0 | 0 | 0.00 | | *Assumes 8 ounces of water per tea bag | 1 From the Stash Tea website
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