how much caffeine in starbucks black tea

how much caffeine in starbucks black tea

Starbucks and the Amount of Caffeine it Contains in the Black Tea

Starbucks is a worldwide known coffee chain that also offers tea drinks. One of their most popular and classic teas is the black tea. But how much caffeine it really contains?

Caffeine Content in a Starbuck’s Black Tea

The caffeine content in Starbucks black tea depends on multiple factors. Those include:

  • Size – the bigger the drink, the higher the caffeine
  • Brewing style – for example, espresso drinks have a higher caffeine content than regular coffee
  • Brand – the amount of caffeine may vary from brand to brand

Starbucks tall black tea has about 50-65mg of caffeine per serving. This is equivalent to one or two cups of regular brewed coffee. Comparatively, Starbucks grande black tea has 65-100mg of caffeine per serving. Finally, a Starbucks venti black tea has 75-125mg of caffeine per serving.

Caffeine Content in Black Tea vs Coffee

Starbucks black tea has significantly less caffeine than coffee. For instance, a Starbucks tall coffee has 230mg of caffeine per serving while a tall black tea only has 50-65mg of caffeine. Similarly, grande and venti sizes of coffee have more than double the amount of caffeine than that of black tea.

Additional Caffeine Information

When it comes to caffeine consumption, moderation is key. Too little and you don’t experience the effects of caffeine, too much can cause unpleasant side-effects such as heart palpitations, headaches, irritability, and insomnia. It is recommended that most adults should have no more than 400mg of caffeine per day.

Knowing the caffeine content of beverages such as Starbucks black tea and coffee can help you keep your daily intake in check.

As a general rule, if you’re looking for a low caffeine beverage to enjoy, black tea is an excellent option.


Starbucks black tea varies in caffeine depending on size and brewing style. Tall black teas usually have 50-65mg of caffeine, while grande has 65-100mg and venti contains 75-125mg of caffeine. This is much lower than the caffeine found in most coffee drinks. Knowing the caffeine content of Starbucks’ beverages can help you make informed choices when it comes to your caffeine intake.


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