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  2. Caffeine: How much is too much? - Mayo Clinic

    www.mayoclinic.org/.../in-depth/caffeine/art-20045678

    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 brewed coffee, 10 cans of cola or two "energy shot" drinks.

  3. Is 200 mg Caffeine a Lot? - MedicineNet

    www.medicinenet.com/is_200_mg_caffeine_a_lot/article.htm

    A healthy adult can consume around 400 milligrams of caffeine daily, which means you can safely have about four cups of coffee in a day unless otherwise advised by your doctor. Consumption of 200 milligrams of caffeine doesn’t cause any significant harmful effects in healthy people.

  4. Caffeine content for coffee, tea, soda and more - Mayo Clinic

    www.mayoclinic.org/.../in-depth/caffeine/art-20049372

    Up to 400 milligrams of caffeine a day is considered safe for most adults. However, people's sensitivity to caffeine varies. If you're bothered by headaches, restlessness or anxiety, you may want to reevaluate your caffeine intake.

  5. How Much Caffeine is Too Much? - Cleveland Clinic Health ...

    health.clevelandclinic.org/how-much-caffeine-is-too-much

    Healthy adults shouldn’t consume more than 400 milligrams (mg) of caffeine per day. That’s equal to about four 8-ounce cups of brewed coffee or 10 cans of cola.

  6. How Much Caffeine Is Too Much? Side Effects and Risks

    www.verywellhealth.com/too-much-caffeine-5207200

    According to the U.S. Food and Drug Administration, adults should not consume more than 400 milligrams (mg) of caffeine a day. This comes out to about four or five cups of coffee. The FDA doesn't have official guidelines for caffeine intake in children and adolescents.

  7. How Much Caffeine is Too Much? A Full Guide on Caffeine ...

    healthnews.com/nutrition/healthy-eating/caffeine-overdose...

    Is 200 mg of caffeine a lot? For many people, 200 mg of caffeine falls within a moderate range and is roughly equivalent to consuming one large cup (12 oz/350 ml) of brewed coffee. While most adults can typically tolerate this level of caffeine well, individual responses vary.

  8. Caffeine: How Long Do Its Effects Last? - WebMD

    www.webmd.com/diet/how-long-caffeine-lasts

    Medical professionals consider moderate consumption to be 200 to 300 milligrams (mg) of caffeine per day. Here’s how much caffeine is in your average food and drinks: Espresso: 127 mg per...

  9. What happens when you take too much caffeine - BBC

    www.bbc.com/future/article/20240605-what-happens-if-you...

    How much is too much caffeine? There are no guidelines in the UK specifically, but the European Food Safety Authority EFSA advises healthy people to drink no more than 400mg per day, and no more...

  10. How Much Caffeine Is Too Much ... - Scientific American

    www.scientificamerican.com/article/how-much-caffeine-is...

    The American College of Obstetricians and Gynecologists recommends that pregnant people limit their caffeine consumption to about 200 mg (about two home-brewed cups of coffee) a day or less....

  11. What Is Caffeine, and Is It Good or Bad for Health?

    www.healthline.com/nutrition/what-is-caffeine

    A caffeine intake of 200 mg per dose, and up to 400 mg per day, is generally considered safe. Pregnant women should limit their daily intake to 200 mg or less.