Levels of caffeine in tea depend on the amount of fermentation of the tea leaves. So in general, black tea will have a higher caffeine content than white or green tea.
If caffeine is a concern, then have a look at the chart below. Important to note is that 5 cups of white tea will have less caffeine that drinking one cup of coffee.
| Coffee | 85 mg |
| Cola, Soda or Soft Drinks | 50 mg |
| Black Tea | 40 mg |
| Flavored Tea | 40 mg |
| Oolong Tea | 30 mg |
| Green Tea | 20 mg |
| White Tea | 15 mg |
| Decaf Tea | 7 mg |
| Herbal Tea | 0 mg |
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