What should my daily caffeine intake be

A survey study from The Pennsylvania State University found that on average, those ages consume the most caffeine daily. Your Weight Pounds. For healthy adults with no medical issues, it is generally agreed that mg — mg of caffeine can be consumed daily without any adverse effects. Use the caffeine calculator to find your daily maximum for any drink.

Need help with caffeine levels? Check out our list of caffeine amounts. References 1. Heckman, M. Journal of Food Science, R77—R Leading image credit. Health effects of energy drinks on children, adolescents, and young adults.

Pediatrics, , PDF 7. Caffeine in energy drinks can range from mg per 8 fluid ounces. Decaf coffees and teas have less caffeine than their regular counterparts, but they still contain some caffeine.

For example, decaf coffee typically has milligrams in an 8-ounce cup. If you react strongly to caffeine in a negative way, you may want to avoid these beverages altogether. For healthy adults, the FDA has cited milligrams a day—that's about four or five cups of coffee—as an amount not generally associated with dangerous, negative effects. However, there is wide variation in both how sensitive people are to the effects of caffeine and how fast they metabolize it break it down.

The FDA has not set a level for children, but the American Academy of Pediatrics discourages the consumption of caffeine and other stimulants by children and adolescents. For example, you may drink caffeinated beverages because you have trouble staying awake during the day.

But the caffeine keeps you from falling asleep at night, shortening the length of time you sleep. Whether it's for one of the reasons above or because you want to trim your spending on coffee drinks, cutting back on caffeine can be challenging.

An abrupt decrease in caffeine may cause withdrawal symptoms, such as headaches, fatigue, irritability and difficulty focusing on tasks. Fortunately, these symptoms are usually mild and get better after a few days. If you're like most adults, caffeine is a part of your daily routine. Usually, it won't pose a health problem. But be mindful of caffeine's possible side effects and be ready to cut back if necessary.

There is a problem with information submitted for this request. Sign up for free, and stay up-to-date on research advancements, health tips and current health topics, like COVID, plus expert advice on managing your health.

Error Email field is required. Error Include a valid email address. To provide you with the most relevant and helpful information and to understand which information is beneficial, we may combine your e-mail and website usage information with other information we have about you. If we combine this information with your PHI, we will treat all of that information as PHI, and will only use or disclose that information as set forth in our notice of privacy practices.

You may opt-out of e-mail communications at any time by clicking on the Unsubscribe link in the e-mail. Our Housecall e-newsletter will keep you up-to-date on the latest health information.

Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below.

A single copy of these materials may be reprinted for noncommercial personal use only. This site complies with the HONcode standard for trustworthy health information: verify here. This content does not have an English version. This content does not have an Arabic version. See more conditions. Not getting your usual coffee fix? You might have a caffeine headache, courtesy of caffeine withdrawal. Learn more about caffeine headache symptoms…. Music is the universal language, but it can also be a universal healing agent.

We take a look at how the right sounds can enhance and improve moods. This pillow claims to relieve stress, tension, and anxiety — but does it work? We put it to the test. Ready to play air guitar with a rake? We've got some pacey, uplifting autumnal vibes you can dig while digging. Health misinformation runs rampant on social media. We debunked 8 popular health myths to give you the real story. Daily limit Adverse effects Caffeine gets loads of us through that make-or-break first half of the day.

How much is too much? Is caffeine bad for you?