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.

Genetics also play a role, since some people naturally break down caffeine faster than others.

From Science Daily • May 18, 2026

Regular coffee drinkers also tend to clear caffeine from the body more efficiently.

From Science Daily • May 18, 2026

Once stimulation becomes too high, whether from stress, anxiety, or too much caffeine, performance begins to decline.

From Science Daily • May 13, 2026

Drinking more caffeine than that did not provide additional protection.

From Science Daily • May 13, 2026

I had been cultivating a headache for the last few hours—the kind of headache that felt like it was going to pop my eyes right out of my skull—and caffeine usually helped.

From "Darius the Great Is Not Okay" by Adib Khorram