Barista Life Blog

Does Decaf Have Caffeine? The Lab-Tested Numbers

Quick answer: yes, decaf has caffeine, just not much. Independent lab tests published in the Journal of Analytical Toxicology measured 12 to 13.4 mg per 16 oz cup of brewed...

Does Decaf Have Caffeine? The Lab-Tested Numbers

Quick answer: yes, decaf has caffeine, just not much. Independent lab tests published in the Journal of Analytical Toxicology measured 12 to 13.4 mg per 16 oz cup of brewed...

Best Zero Retention Grinders (2026): Single-Dos...

This post may contain affiliate links. If you buy through them, Barista Life earns a small commission at no cost to you. Quick answer: a zero retention grinder holds back...

Best Zero Retention Grinders (2026): Single-Dos...

This post may contain affiliate links. If you buy through them, Barista Life earns a small commission at no cost to you. Quick answer: a zero retention grinder holds back...

Keurig Descale Light Stays On? The Fix for Ever...

This post may contain affiliate links. If you buy through them, Barista Life earns a small commission at no cost to you.Quick answer: on K-Supreme and K-Slim machines, the descale...

Keurig Descale Light Stays On? The Fix for Ever...

This post may contain affiliate links. If you buy through them, Barista Life earns a small commission at no cost to you.Quick answer: on K-Supreme and K-Slim machines, the descale...

Starbucks Refreshers Caffeine: Classic vs the N...

Quick answer: a classic grande Starbucks Refresher carries roughly 45 to 55 mg of caffeine from green coffee extract. The new Energy Refreshers, launched nationwide April 7, 2026, step that...

Starbucks Refreshers Caffeine: Classic vs the N...

Quick answer: a classic grande Starbucks Refresher carries roughly 45 to 55 mg of caffeine from green coffee extract. The new Energy Refreshers, launched nationwide April 7, 2026, step that...

Iced Shaken Espresso Caffeine: The Starbucks Nu...

Quick answer: a grande Iced Shaken Espresso at Starbucks has 225 mg of caffeine, and the grande Iced Brown Sugar Oatmilk Shaken Espresso has 255 mg, both per Starbucks' own...

Iced Shaken Espresso Caffeine: The Starbucks Nu...

Quick answer: a grande Iced Shaken Espresso at Starbucks has 225 mg of caffeine, and the grande Iced Brown Sugar Oatmilk Shaken Espresso has 255 mg, both per Starbucks' own...

Celsius Caffeine Content: Every Line and Flavor...

Quick answer: a standard 12 oz Celsius has 200 mg of caffeine. Celsius Essentials jumps to 270 mg per 16 oz can, On-The-Go powder packets match the standard 200 mg,...

Celsius Caffeine Content: Every Line and Flavor...

Quick answer: a standard 12 oz Celsius has 200 mg of caffeine. Celsius Essentials jumps to 270 mg per 16 oz can, On-The-Go powder packets match the standard 200 mg,...