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 plan to continue investigating how caffeine influences memory consolidation and memory retrieval.

From Science Daily • May 30, 2026

The drink's bright emerald colour has attracted the TikTok generation, and the milder caffeine hit from its green tea powder is suited to health-conscious drinkers who want good sleep.

From BBC • May 28, 2026

At the other end, robusta beans, known for their high levels of caffeine, are mass harvested by machines.

From BBC • May 28, 2026

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

But for the glucose and caffeine tablets in his survival pack, he would have ground to a halt hours ago.

From "Stormbreaker" by Anthony Horowitz