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

Mar 8, 2017 ... Up to 400 milligrams (mg) of caffeine a day appears to be safe for most healthy adults. That's roughly the amount of caffeine in four cups of ...

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

Dec 3, 2018 ... A safe caffeine limit is the amount of caffeine a person can consume without experiencing any negative caffeine overdose symptoms. It's difficult ...

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

Aug 14, 2017 ... What's more, individuals who aren't used to caffeine may experience symptoms after consuming what is typically considered a moderate dose ...

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

Dec 13, 2018 ... How do you know how much caffeine a food or beverage contains? ... For healthy adults, the FDA has cited 400 milligrams a day—that's about ...

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

Apr 17, 2018 ... Caffeine's safety is relative — it depends on the dose, of course, but also on your health. Some people display no unwanted symptoms from ...

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

Unlike vitamins, minerals and other nutrients, there is no set limit for a maximum daily dose of caffeine. Depending on your own sensitivity to caffeine, you could ...

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

... of Caffeine, advising that caffeine intakes from all sources up to 400 mg per day and ... EFSA also advised that single doses of 100mg of caffeine may increase sleep ... As with many elements of our daily diet, over-consumption may in some ...

https://www.webmd.com/vitamins/ai/ingredientmono-979/caffeine

Learn more about Caffeine uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain Caffeine.

https://www.ncbi.nlm.nih.gov/books/NBK223789/

Only one fraction of boiled coffee was found to significantly increase blood cholesterol and low-density cholesterol in a dose-dependent manner (Pirich et al. , ...

https://www.menshealth.com/health/a19546105/caffeine-recommendations/

Apr 24, 2017 ... Guidelines recommend no more than 400 milligrams of caffeine a day. Here's how easy it is to reach that.