Iced Tea

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Iced Tea is a popular beverage made by brewing black tea and then adding additional water and ice.

Some may choose to also add sugar, lemon, or other sweeteners to their iced teabefore drinking. However, this doesn't change the caffeine content by much as these ingredients would only add slightly more volume to the drink.

Caffeine in iced tea can vary due to several factors.

  • Amount of tea bags used
  • Amount of water added
  • Amount of ice added
  • Type and quality of tea used
  • Steeping time

The above caffeine amount reflects 8 fl oz of brewed tea before adding ice. Also the tea bag to water ratio of 1 tea bag per 8 fl oz of water. 

Branded Iced Teas

Caffeine content of other iced teas - listed in order of caffeine concentration.

Iced tea can also be made using other teas such as green tea and white tea. The caffeine content of these iced teas will generally be lower. 

Some branded iced teas can be very high in sugar, and have just a small amount of 'tea extract' - which certainly stretches the definition of iced teas. However with continued moves to lower sugar amounts, more iced teas brands are changing formulations.

Ingredients in Tea (Iced)

Black Tea And Water.

Compared to Other Items

Iced Tea contains 5.88 mg of caffeine per fl oz (19.87 mg per 100 ml). A 8 fl oz cup has a total of 47 mg of caffeine.

Total Caffeine (mg)

Sources

USDA database at https://ndb.nal.usda.gov
Other references. Last updated on 11 Mar 2021.
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