Tag: Dunkin donuts caffeine

According to a 2017 study by Labdoor, Starbucks' medium brewed coffee had a higher average caffeine level than competitors like Dunkin' and McDonald's in the US market. This confirms a common perception, but the real answer to 'does Starbucks have higher caffeine?' is more nuanced, depending on the specific drink and preparation.

An average 8-ounce cup of brewed coffee contains approximately 95 mg of caffeine, but the content in a 'medium-size' can vary drastically based on the specific coffee shop, drink, and preparation. A medium from a popular cafe like Starbucks can contain over 300 mg, a significant increase from a standard homemade cup, making it crucial to understand the variables involved.

According to a 2025 analysis by Corner Coffee Store, Starbucks coffees typically contain more caffeine per average cup than Dunkin' Donuts. However, a direct comparison for which coffee has more caffeine, Starbucks or Dunkin Donuts, can be tricky, as the content varies significantly depending on the drink, size, and preparation method.

Reports from consumer experts show that comparing Starbucks' caffeine content to other brands isn't straightforward and varies significantly by drink, size, and region. This challenges the common assumption: does Starbucks have more caffeine than other brands?