Caffeine

Key Messages
- What is caffeine? Caffeine is a natural stimulant found in familiar favorites like coffee and tea. It can also be produced synthetically and added to foods and beverages. As one of the most studied ingredients in the world, caffeine is known for its ability to enhance alertness – and when consumed in moderation, it’s considered safe for most healthy adults.[1],[2],[3]
- What are some foods with caffeine? Coffee and tea are the most well-known foods with caffeine, but they are not the only ones. You can also find it in sodas, energy drinks, chocolate and coffee-flavored treats.
- How much is safe, and what is the caffeine content for certain foods? The Food and Drug Administration says up to 400 milligrams of caffeine per day is safe for most people to consume.[4] That’s roughly four 8-ounce cups of coffee. Other common sources include espresso (60 mg per 1 oz) and black tea (50 mg per 8 oz).
Research
Caffeine plays a familiar role in many of our daily routines. Explore what consumers think about this mainstay ingredient.
IFIC Spotlight Survey: Americans’ Perceptions Of Food Ingredient Safety
Learn MoreIFIC Spotlight Survey: Americans’ Perceptions Of Caffeine
Learn More2024 IFIC Food & Health Survey
Learn MoreIFIC Spotlight Survey: Public Perceptions Of Food Ingredients
Learn MoreIFIC Spotlight Survey: Caffeine Consumer Consumption Habits & Safety Perceptions
Learn MoreResources
From myths and facts to safety and effects, our Insights collection tackles some of the tougher questions surrounding caffeine consumption in our daily lives.
Caffeine Myths and Facts
March 5, 2024
Beyond Tea and Coffee—New Sources of Caffeine
March 20, 2020
Coffee and Tea Can Hydrate, Too
March 5, 2020
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In the News
Catch up on the latest headlines about caffeine for inspiration around this everyday ingredient.
- FORBES 16 top coffee alternatives, according to experts
- MIAMI HERALD Worried you’re drinking too much coffee? Here are the health facts behind caffeine
- HARVARD HEALTH PUBLISHING Energy-boosting coffee alternatives: what to know