caffeine

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The researchers investigated how caffeine consumed at different times of day influences inhibition and impulsivity using fruit flies.

From Science Daily • Mar. 31, 2026

Kirkland Signature energy drinks mimic Celsius’s look, flavors, and 200 milligrams of caffeine, causing Celsius shares to fall.

From The Wall Street Journal • Mar. 25, 2026

Both brands’ 12-ounce cans carry the same 200 milligrams of caffeine, too.

From The Wall Street Journal • Mar. 25, 2026

“For the Baja Blast die-hard, infused with caffeine and a refreshing boost of citrus,” Taco Bell said in a news release, “these patches energize skin and deliver cooling hydration.”

From Los Angeles Times • Mar. 18, 2026

Judging from his dilated eyes and his maniacal grin, he didn’t need any more caffeine.

From "The House of Hades" by Rick Riordan