how much caffeine in unsweet tea

how much caffeine in unsweet tea

How Much Caffeine is in Unsweetened Tea?

Regular, unsweetened tea contains between 14-60mg of caffeine per 8oz cup. The level of caffeine can vary significantly depending on the type of tea and the brewing method.

Factors that Affect the Level of Caffeine in Tea

  • Type of Tea: The type of tea used has a big impact on the caffeine level. Generally, black teas have the highest levels of caffeine, with oolong, green and white teas following behind.
  • Brew Time: The longer you brew the tea, the more caffeine you will extract from it.
  • Brew Temperature: Brewing tea at higher temperatures will help to extract more caffeine from it than if you use cooler water.
  • Number of Leaves: Using more leaves will increase the amount of caffeine in the tea.

Unsweetened Tea Varieties

Here are some of the most popular unsweetened tea varieties and their approximate caffeine levels per 8oz cup:

  • Black Tea: 40-60mg
  • Green Tea: 25-50mg
  • Oolong Tea: 30-50mg
  • White Tea: 15-30mg
  • Herbal Tea: 0mg

Remember that these are just estimates. Variations in brewing method, temperature, and number of leaves used can all affect the actual amount of caffeine in the tea.


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