https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/in-depth/caffeine/art-20045678

Mar 8, 2017 ... Caffeine is used daily by millions of people to increase wakefulness, ... milligrams (mg) of caffeine a day appears to be safe for most healthy ...

https://www.caffeineinformer.com/caffeine-safe-limits

Dec 3, 2018 ... For healthy adults with no medical issues, it is generally agreed upon that 300 mg – 400 mg of caffeine can be consumed ... Calculate your daily maximum for any drink here. .... How Much Caffeine Are Americans Consuming?

https://www.fda.gov/forconsumers/consumerupdates/ucm350570.htm

Dec 13, 2018 ... Can caffeine pose a danger to your health? ... it up with a caffeinated beverage or two and then drink several more cups of coffee throughout the day? ... Caffeine in energy drinks can range from 40-250 mg per 8 fluid ounces.

https://www.healthline.com/nutrition/caffeine-side-effects

Aug 14, 2017 ... Caffeine can have impressive health benefits, but high doses can also ... Extremely high daily intakes of 1,000 mg or more per day have been ...

https://examine.com/nutrition/caffeine-consumption/

Apr 17, 2018 ... For healthy adults, up to 400 mg/day caffeine is considered safe. ... people display no unwanted symptoms from multiple cups of coffee per day, ...

https://www.healthline.com/health-news/how-much-caffeine-do-you-need-to-function

Jun 14, 2018 ... How Much Caffeine Do You Need to Function? ... Mayo Clinic, about 400 milligrams of caffeine per day should be safe for most healthy adults.

https://www.inc.com/business-insider/coffee-caffeine-heart-health-how-much-should-you-drink-healhty.html

Jun 22, 2018 ... Four cups of strong coffee a day might be the recipe for a healthy heart, ... health and how much caffeine we should drink each day to see the best benefits. ... likely to die from any cause than people who don't sip a daily brew.

https://www.livestrong.com/article/471513-the-maximum-daily-dosage-of-caffeine/

Most adults can consume 200 mg to 300 mg of caffeine per day, which translates to two to four cups of coffee, without any health concerns or negative side effects. ... Too much caffeine can leave you jittery, nervous and even nauseous.

https://www.coffeeandhealth.org/topic-overview/guidelines-on-caffeine-intake/

EFSA, in its 2015 Scientific Opinion on Caffeine recommends that, in pregnant or lactating women, caffeine intake should be decreased to 200mg per day from ...

https://www.sleep.org/articles/how-much-caffiene-should-i-have/

Find out how much caffeine you should have on a daily basis. ... Drinking more than the recommended amount of caffeine per day can cause adverse side ...