Fast Five Quiz: Caffeine Facts vs Fiction

Mary L. Windle, PharmD

Disclosures

September 04, 2019

According to a comprehensive view on the safety of ingested caffeine, the thresholds for caffeine toxicity in various age groups are as follows:

  • Healthy adults (aged ≥ 19 years): 400 mg/d

  • Healthy adolescents (aged 12-18 years): 100 mg/d

  • Healthy children (aged < 12 years): 2.5 mg/d

In the United States, the average daily intake is about 180 mg/d, which is the amount of caffeine in up to two cups of coffee.

Read more about caffeine toxicity.

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