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.

As a vehicle for jitters, Diet Coke also contains significantly more caffeine than both regular Coca-Cola and Coke Zero.

From The Wall Street Journal • May 20, 2026

Genetics can also play a role in how much coffee people enjoy, influencing both caffeine metabolism and the brain's reward system.

From Science Daily • May 18, 2026

Research reviews show caffeine from coffee, cola, energy drinks, and chocolate can raise systolic blood pressure by 3-15 and diastolic blood pressure by 4-13 after consumption.

From Science Daily • May 18, 2026

Researchers say there are several reasons why very high caffeine intake may stop being beneficial.

From Science Daily • May 13, 2026

“She’s not supposed to drink caffeine yet,” Dad says.

From "Liar & Spy" by Rebecca Stead