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How many milligrams of caffeine are in a refresher? A full breakdown by size and brand

3 min read

According to Starbucks, a Grande (16 oz) Refresher contains approximately 45 to 55 milligrams of caffeine, a significantly lower amount compared to their standard brewed coffee. This mild energy boost comes from green coffee extract, making the popular fruity drinks a caffeinated but less intense alternative to traditional coffee.

Quick Summary

The caffeine content in refreshers depends on the brand and size, with Starbucks Grande sizes containing 45-55mg and Dunkin's small having 66mg. The caffeine comes from green coffee extract, offering a milder lift than traditional coffee.

Key Points

  • Starbucks Grande Refresher contains 45–55mg of caffeine: The specific amount varies by size, with a Tall having less and a Venti/Trenta having more.

  • Caffeine comes from green coffee extract: The green coffee extract provides a natural energy boost without the bitter coffee flavor.

  • Dunkin' Refreshers use green tea extract: A small Dunkin' Refresher contains 66mg of caffeine from its green tea base.

  • Refreshers have significantly less caffeine than coffee: A Grande Refresher (45–55 mg) has a fraction of the caffeine found in a Grande brewed coffee (315–390 mg).

  • Caffeine content can be customized: For a lower caffeine amount, ask for less base and more water or lemonade at Starbucks.

  • Some fruit inclusions are caffeine-free: Dried fruit pieces added to the drinks do not contain caffeine.

In This Article

Understanding the Caffeine in Starbucks Refreshers

Starbucks Refreshers are a popular line of fruity, iced beverages that offer a gentle energy lift without the classic bitter taste of coffee. The caffeine is derived from unroasted, or 'green,' coffee beans, which are extracted to provide a boost of natural energy. The specific amount of caffeine varies depending on the drink's size, not the flavor itself. This section will detail the breakdown for the standard Starbucks Refresher, such as the Strawberry Açaí or Mango Dragonfruit.

Starbucks Refresher Caffeine by Size

  • Tall (12 oz): Contains approximately 35–45 milligrams of caffeine. This is a good option for those seeking a minimal boost, roughly equivalent to a small amount of coffee or a can of soda.
  • Grande (16 oz): Features 45–55 milligrams of caffeine, making it the most common order size for a moderate pick-me-up.
  • Venti (24 oz): Ups the caffeine content to 70–85 milligrams, providing a more substantial dose for those needing extra energy.
  • Trenta (30 oz): The largest size, containing 90–110 milligrams of caffeine, brings the level closer to a standard cup of home-brewed coffee.

It's important to remember that these are approximate values, and the exact content can fluctuate slightly. The base concentrate, which includes the green coffee extract, is mixed with water, lemonade, or coconut milk, which does not contain additional caffeine.

Decoding the Caffeine in Dunkin' Refreshers

Dunkin' also offers a line of Refreshers, which are caffeinated differently than Starbucks' offerings. Dunkin' Refreshers get their energy kick from a green tea base and B vitamins. Unlike Starbucks where flavor doesn't impact caffeine, Dunkin's caffeine content is tied to the base of green tea extract and varies depending on the size of the drink.

Dunkin' Refresher Caffeine by Size

  • Small (16 oz): Typically has around 66 milligrams of caffeine.
  • Medium (24 oz): Contains approximately 99 milligrams of caffeine.
  • Large (32 oz): Delivers roughly 132 milligrams of caffeine, a potent option for a significant energy lift.

Comparison: Refreshers vs. Other Caffeinated Drinks

To put the caffeine content of refreshers into perspective, the following table compares a standard Grande (16 oz) Starbucks Refresher with other popular beverages.

Beverage Serving Size Approximate Caffeine Content (mg)
Starbucks Refresher 16 oz (Grande) 45–55
Dunkin' Refresher 16 oz (Small) 66
Starbucks Brewed Coffee 16 oz (Grande) 315–390
Starbucks Espresso Shot 1.5 oz (Solo) 75
Can of Cola 12 oz 32–42
Matcha Latte 16 oz (Grande) 65

As the table clearly shows, a refresher offers a significantly lower caffeine dose than a standard brewed coffee. This makes it an ideal option for those who are sensitive to caffeine or prefer a more subtle boost of energy during the day.

Customizing Your Refresher's Caffeine Level

For those who wish to moderate their caffeine intake even further, there are several customization options available. At Starbucks, since the caffeine is in the Refresher base, you can ask for 'less base' and 'more water or lemonade' to reduce the caffeine. You can also order a completely caffeine-free drink by choosing a Passion Tea Lemonade instead, as the Passion Tango tea does not contain caffeine. At Dunkin', you can also modify your order by altering the amount of green tea base used, though customization options may vary.

Conclusion

In summary, the number of milligrams of caffeine in a refresher depends on the brand and size, but it is generally much lower than a typical brewed coffee. A Grande Starbucks Refresher contains 45–55 mg, while a Small Dunkin' Refresher has around 66 mg. Both are caffeinated using extracts from green coffee beans or green tea, respectively, offering a milder, fruitier energy source. For individuals mindful of their caffeine consumption, understanding these differences is key to making an informed choice for their daily beverage intake.

For additional nutritional information, you can always visit the official websites of the respective coffee chains or inquire with a barista.

Frequently Asked Questions

No, a standard Starbucks Refresher has significantly less caffeine than a brewed coffee. For example, a Grande (16 oz) Refresher contains 45–55 mg of caffeine, whereas a Grande brewed coffee has 315–390 mg.

The caffeine in Starbucks Refreshers comes from green coffee extract, which is an extract from unroasted coffee beans.

A small (16 oz) Dunkin' Refresher contains about 66 milligrams of caffeine, which comes from a green tea base.

Yes, you can order caffeine-free versions of Refreshers by asking for a drink made with lemonade and fruit inclusions instead of the caffeinated base. You can also get a Passion Tango Tea Lemonade, which is naturally caffeine-free.

No, the caffeine content in Starbucks Refreshers is based on the size of the drink, not the flavor. All flavors use the same caffeinated base.

No, the rumor that refreshers are more caffeinated than coffee is false. The caffeine level is much lower, and the 'buzz' can feel more gentle due to the green coffee extract, which is different from the effects of roasted coffee.

For healthy adults, consuming up to 400 mg of caffeine daily is generally considered safe. Since refreshers have moderate caffeine, it's possible to have more than one. However, individual tolerance varies, and it's best to monitor your own body's reaction.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.