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But what about coffee? A registered dietitian weighs in on how much is too much. ## Media Contact [Cleveland Clinic News Service](mailto:CCnewsservice@ccf.org) \| [216\.444.0141](tel:2164440141) We’re available to shoot custom interviews & b-roll for media outlets upon request. ## Media Downloads [CCNS health and medical content](https://newsroom.clevelandclinic.org/cleveland-clinic-news-service-ccns/) is consumer-friendly, professional broadcast quality (available in HD), and available to media outlets each day. [**CLICK HERE to download soundbites, b-roll, script and web article.**](https://www.dropbox.com/scl/fo/h2x6mih6gakd23r24rxzf/AMW48FO1QooisdPQkrCzSJ4?rlkey=8ukxrhaqe31pdtpaakmr6itat&st=1m4ct5ss&dl=0) **For download password, contact ccnewsservice@ccf.org.** CLEVELAND - As the old saying goes, sometimes too much of a good thing can be bad. But what about when it comes to coffee? Millions of Americans drink at least one cup of joe every day, and of course many are drinking a lot more than that. “Guidelines are that we keep our caffeine intake under 400 milligrams a day. So, on average, an eight-ounce coffee has about 95 to 100, so that’s about close to four or five cups a day depending on the strength of the coffee,” said Julia Zumpano, RD, registered dietitian for Cleveland Clinic. Zumpano said it’s important to remember these guidelines from the FDA are for your overall daily caffeine intake, not just for coffee. Meaning, that amount includes any soda or energy drinks you have too. And while 400 milligrams of caffeine is the recommended limit, some people have a much lower threshold. Zumpano said when a person consumes too much caffeine, it can cause a headache, make you feel jittery or anxious, and increase your heartrate. It can also disrupt your sleep. “If you’re looking to scale back on caffeine, I would do it slowly. Let’s say for example, you’re drinking four cups of coffee, maybe you go down to three and then that fourth one is a half decaffeinated, half regular. And then you slowly make that fourth one a fully decaf. If you go cold turkey you may experience headaches or unpleasant side effects from completely eliminating caffeine.” Zumpano said if you like the idea of sipping on a warm beverage, you could also drink tea instead, but make sure you check the caffeine content. Another alternative is hot chocolate. ## Latest Daily Health Stories [](https://newsroom.clevelandclinic.org/2026/04/01/giving-hope-young-girl-with-autism-finds-voice-thanks-to-therapy) ### [Giving Hope: Young Girl with Autism Finds Voice Thanks to Therapy](https://newsroom.clevelandclinic.org/2026/04/01/giving-hope-young-girl-with-autism-finds-voice-thanks-to-therapy) https://newsroom.clevelandclinic.org/2026/04/01/giving-hope-young-girl-with-autism-finds-voice-thanks-to-therapy [](https://newsroom.clevelandclinic.org/2026/03/31/why-a-dose-of-laughter-is-good-for-you) ### [Why a Dose of Laughter is Good for You](https://newsroom.clevelandclinic.org/2026/03/31/why-a-dose-of-laughter-is-good-for-you) https://newsroom.clevelandclinic.org/2026/03/31/why-a-dose-of-laughter-is-good-for-you [](https://newsroom.clevelandclinic.org/2026/03/30/what-is-the-craze-with-cottage-cheese) ### [What Is the Craze with Cottage Cheese?](https://newsroom.clevelandclinic.org/2026/03/30/what-is-the-craze-with-cottage-cheese) https://newsroom.clevelandclinic.org/2026/03/30/what-is-the-craze-with-cottage-cheese [](https://newsroom.clevelandclinic.org/2026/03/27/teaching-kids-about-sportsmanship) ### [Teaching Kids about Sportsmanship](https://newsroom.clevelandclinic.org/2026/03/27/teaching-kids-about-sportsmanship) https://newsroom.clevelandclinic.org/2026/03/27/teaching-kids-about-sportsmanship [](https://newsroom.clevelandclinic.org/2026/03/26/should-you-wash-new-clothes-before-wearing-them) ### [Should You Wash New Clothes Before Wearing Them?](https://newsroom.clevelandclinic.org/2026/03/26/should-you-wash-new-clothes-before-wearing-them) https://newsroom.clevelandclinic.org/2026/03/26/should-you-wash-new-clothes-before-wearing-them [](https://newsroom.clevelandclinic.org/2026/03/25/preventing-tick-bites-this-spring) ### [Preventing Tick Bites This Spring](https://newsroom.clevelandclinic.org/2026/03/25/preventing-tick-bites-this-spring) https://newsroom.clevelandclinic.org/2026/03/25/preventing-tick-bites-this-spring [](https://newsroom.clevelandclinic.org/2026/03/24/when-feeling-tired-could-be-something-more) ### [When Feeling Tired Could Be Something More](https://newsroom.clevelandclinic.org/2026/03/24/when-feeling-tired-could-be-something-more) https://newsroom.clevelandclinic.org/2026/03/24/when-feeling-tired-could-be-something-more [](https://newsroom.clevelandclinic.org/2026/03/23/is-it-ok-to-snooze-your-alarm) ### [Is It Ok To Snooze Your Alarm?](https://newsroom.clevelandclinic.org/2026/03/23/is-it-ok-to-snooze-your-alarm) https://newsroom.clevelandclinic.org/2026/03/23/is-it-ok-to-snooze-your-alarm Rendered: Thu Apr 02 2026 08:23:31 GMT+0000 (Coordinated Universal Time) #### Cleveland Clinic [Home](https://my.clevelandclinic.org/)[About Cleveland Clinic](https://my.clevelandclinic.org/about)[Careers at Cleveland Clinic](https://jobs.clevelandclinic.org/)[Giving](https://my.clevelandclinic.org/giving)[Community Outreach](https://my.clevelandclinic.org/about/community/government-relations)[Research & Innovations](https://my.clevelandclinic.org/research)[Health Library](https://my.clevelandclinic.org/health)[Free Health eNewsletters](https://my.clevelandclinic.org/health-essentials-newsletter?utm_medium=email&utm_source=jotform&utm_campaign=he&utm_content=signuppage)[Resources for Medical Professionals](https://my.clevelandclinic.org/professionals)[Media Relations](https://newsroom.clevelandclinic.org/) #### Site Information & Policies [Send Us Feedback](https://my.clevelandclinic.org/webmail)[About this Website](https://my.clevelandclinic.org/about/website)[Advertising Policy](https://health.clevelandclinic.org/advertising/)[Social Media Policy](https://my.clevelandclinic.org/about/website/social-media)[Copyright, Reprints & Licensing](https://my.clevelandclinic.org/about/website/reprints-licensing)[Website Terms of Use](https://my.clevelandclinic.org/about/website/terms-of-use)[Website Privacy Policy](https://my.clevelandclinic.org/about/website/privacy-security)[Notice of Privacy Practices](https://my.clevelandclinic.org/about/website/privacy-practices)[Non-Discrimination and Availability](https://my.clevelandclinic.org/about/website/non-discrimination-notice) #### Resources [Buildings](https://newsroom.clevelandclinic.org/photography-2)[Facts & Figures](https://newsroom.clevelandclinic.org/facts-figures)[Press Contacts](https://newsroom.clevelandclinic.org/press-contacts)[Studio & Live Shot Locations](https://newsroom.clevelandclinic.org/journalist-guide) 9500 Euclid Avenue, Cleveland, Ohio 44195 \| [800\.223.2273](tel:8002232273) \| © 2026 Cleveland Clinic. 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[**CLICK HERE to download soundbites, b-roll, script and web article.**](https://www.dropbox.com/scl/fo/h2x6mih6gakd23r24rxzf/AMW48FO1QooisdPQkrCzSJ4?rlkey=8ukxrhaqe31pdtpaakmr6itat&st=1m4ct5ss&dl=0) **For download password, contact ccnewsservice@ccf.org.** CLEVELAND - As the old saying goes, sometimes too much of a good thing can be bad. But what about when it comes to coffee? Millions of Americans drink at least one cup of joe every day, and of course many are drinking a lot more than that. “Guidelines are that we keep our caffeine intake under 400 milligrams a day. So, on average, an eight-ounce coffee has about 95 to 100, so that’s about close to four or five cups a day depending on the strength of the coffee,” said Julia Zumpano, RD, registered dietitian for Cleveland Clinic. Zumpano said it’s important to remember these guidelines from the FDA are for your overall daily caffeine intake, not just for coffee. Meaning, that amount includes any soda or energy drinks you have too. And while 400 milligrams of caffeine is the recommended limit, some people have a much lower threshold. Zumpano said when a person consumes too much caffeine, it can cause a headache, make you feel jittery or anxious, and increase your heartrate. It can also disrupt your sleep. “If you’re looking to scale back on caffeine, I would do it slowly. Let’s say for example, you’re drinking four cups of coffee, maybe you go down to three and then that fourth one is a half decaffeinated, half regular. And then you slowly make that fourth one a fully decaf. If you go cold turkey you may experience headaches or unpleasant side effects from completely eliminating caffeine.” Zumpano said if you like the idea of sipping on a warm beverage, you could also drink tea instead, but make sure you check the caffeine content. Another alternative is hot chocolate.