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person looking at phone sitting at a cafe table with to-go coffee cup

How much caffeine is in coffee, tea, soda, and other foods?

Caffeine in foods and drinks isn’t always labeled. Here’s our guide to how much you can expect in coffee, tea, soda, chocolate, and more.

Healthy EatingApril 29, 2025Lindsay Moyer, MS, RDN, Marlena Koch
question marks on green background

Take our quiz to help you stay healthy

It may be easy to remember to load up on fruits and vegetables and limit junk food. Here’s a quiz to remind you about some less-obvious links between diet and health. Each question has only one correct answer. Good luck!

Preventing DiseaseMay 22, 2024Bonnie Liebman, MS
Panera Bread is an American chain store of bakery-café fast food restaurants with over 2,000 locations, all of which are in the United States and Canada. Taken at Durham, NC USA on October 26, 2023

Panera to stop selling Charged Lemonade following lawsuits

Panera will phase out Charged Sips following lawsuits alleging the highly caffeinated drinks are causing dangerous health effects—and even death.

Industry AccountabilityMay 14, 2024Lindsay Moyer, MS, RDN
A middle school aged boy watching a video on his phone

Logan Paul’s new Energy drink gets the wrong kind of attention

This summer’s hottest ‘energy’ drink, endorsed by a pair of high-profile influencers, contains an alarming amount of caffeine—and it’s marketed directly to teens and kids. Here’s what you should know about the beverage, marketing to kids, caffeine labeling, and Senator Schumer’s call for the FDA to investigate.

Food LabelingJuly 12, 2023Adrienne Crezo
woman sipping from coffee mug

Can coffee impact your heart rhythm?

Researchersrecruited 100 coffee drinkers without heart rhythm irregularities. (Most typically drank about ½ cup to 3 cups of coffee a day.) For 2 weeks, each participant got a text saying that they should either consume coffee or avoid all caffeine the next day, in random order.

Healthy EatingApril 27, 2023
woman in a thinking position on blurred green background

5 things to know about lower urinary tract symptoms

More than half of middle-aged and older adults have lower urinary tract symptoms (LUTS). That can include urinary leakage, urgency, and frequent visits to the bathroom, day or night. Others experience recurrent urinary tract infections or painful kidney stones. Here’s what to know about keeping your urinary tract in shape.

Preventing DiseaseFebruary 23, 2023Bonnie Liebman, MS
medical display

What to know about fending off AFib

Atrial fibrillation—aka AFib or AF—is an irregular heartbeat (arrhythmia) in the upper chambers (atria) of the heart. In AFib, random irregular electrical signals cause the atria to quiver. So some of the blood stays behind in the atria, which makes the blood more likely to clot. AFib can cause rapid, fluttering, or pounding heartbeats, lightheadedness, extreme fatigue, shortness of breath, chest pain...or no symptoms at all.

Preventing DiseaseJanuary 26, 2022Bonnie Liebman, MS
a woman drinking coffee

Coffee and the risk of irregular heart rhythms

In a study that tracked roughly 386,000 people for 4½ years, drinking coffee wasn’t linked to a higher risk of irregular heart rhythms like atrial fibrillation or ventricular tachycardia.

Preventing DiseaseOctober 21, 2021
CSPI logo

Caffeine

Because caffeine appears to increase the risk of adverse pregnancy outcomes, including miscarriages, preterm delivery, stillbirth, and childhood leukemia (and possibly birth defects) and inhibits fetal growth, women who are pregnant or may become pregnant should avoid caffeine.

Food SafetyJanuary 4, 2021
FDA Finally Takes Enforcement Action against Distributors of Deadly Powdered Caffeine

FDA must ban sales of highly concentrated caffeine products

In September 2015, FDA issued enforcement letters to five companies that sold pure, powdered caffeine. While those companies stopped marketing the product, the problem is bigger than those companies.

Food SafetyApril 26, 2016
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