CAFFEINE CALCULATOR
(1) Pick a coffee type.
(2) Move the slider indicating the number of cups of coffee you drink a day.
(3) Move the Scrollbar on the right side up to
the top to see your daily limit of caffenie intake.
Coffee Calculator
And Cost Of Using A Coffee Maker
Up to 400 milligrams of caffeine per day can be part of a
healthful intake for adults.
For coffee to be considered decaffeinated, it needs 97% of its caffeine removed, so 3% of caffeine is still there.
An espresso commonly has lower caffeine content, about 50 mg per shot [1 oz], while a cup of drip coffee easily contains as much as 200 mg of caffeine.
Pregnant women should be sure to limit their caffeine consumption to 200 milligrams per day.
Response to caffeine can vary between individuals. Those who are sensitive can experience overdose symptoms (jitters, insomnia, etc) after consuming much lower amounts of caffeine than others. Recent genetic research has shown a strong genetic component that governs the speed of caffeine metabolism.
It’s also possible to build a tolerance to caffeine over time (more caffeine is needed to achieve the same feelings of alertness).
Caffeine sensitivity is determined by the efficiency of the human body to process and metabolize caffeine.
This shouldn’t be confused with caffeine tolerance, which describes how the body responds to caffeine over time.
Sensitivity has more to do with a person’s unique genetic makeup as this determines to what degree a given amount of caffeine will affect a person.
Caffeine is metabolized by the liver using the enzyme CYP1A2. The ability to produce this enzyme is regulated by the CYP1A2 gene. Slight changes in the DNA sequence of this gene determine how efficiently a person can metabolize caffeine and thus eliminate it from the body.
Some people genetically produce very little of this enzyme while others produce a large amount. The majority of humans are somewhere in the middle.
These people react to very small amounts of caffeine. Even at amounts less than 100 mg, people who are hypersensitive to caffeine can experience overdose symptoms such as insomnia, jitters, and an increased heartbeat.
For these people, it can take as much as twice as long for caffeine to metabolized.
People who show normal sensitivity to caffeine can usually have 200-400 mg of caffeine daily without any adverse reactions. These people have no trouble sleeping as long as the caffeine is consumed early enough in the day.
The majority of humans fall under this category and this group is what the recommended daily safe dose of caffeine has been established for.
About 10% of the human population are hyposensitive to caffeine. They process caffeine so efficiently that these people report taking large doses ( >500 mg) without much effect at all. Those hyposensitive can also consume caffeine shortly before bedtime and still get a good night’s sleep.
In order to safely use caffeine, it’s important to understand your level of caffeine sensitivity.
Based on the three descriptions above, you should be able to identify your level of caffeine sensitivity
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Independent research by scientists worldwide continues to link coffee to significant (and surprising) healthful properties.
SCIENCE: Coffee consumption may offer protective benefits for post-menopausal breast cancer. Consumption of four cups per day was associated with a 10% reduction in postmenopausal cancer risk.
SCIENCE: A study from the International Agency for Research on Cancer (IARC) looked at over 500,000 people, and found that coffee drinking was associated with reduced risk for death from various causes.
SCIENCE: Studies show that coffee drinkers are at a lower risk of developing Type 2 diabetes, which accounts for 90-95% of diabetes cases in the world. They also show that people who drink four or more cups of coffee daily have a 50% lower risk of Type 2 diabetes.
SCIENCE: The results of a survey looking at over 83,000 women over many years showed that coffee consumption may modestly reduce the risk of stroke among women.
Many of these potential benefits are associated with caffeine, a naturally occurring stimulant found in coffee beans. The amount of caffeine in a cup of coffee can vary, depending on factors ranging from the type of bean to how it's brewed.
Caffeinated coffee affects individuals differently, based on heredity, body weight, gender, metabolism (there are “fast caffeine metabolizers” versus slow ones), and coffee drinking habits.
The contents of the caffeine calculator should not be construed as medical advice or medical information.