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Caffeine Calculator

400 milligrams of caffeine is generally regarded as a safe upper limit of caffeine for adults per day. So let's see how much caffeine some popular beverages have!

Enter the amount of servings in the red box to see how much total caffeine and total calories a beverage will have:

Serving Amount
Product Pic Total Caffeine Total Calories How Many Can
KILL You
Serving Amount Product Pic Total
Caffeine
Total
Calories
How Many Can
KILL You
1 Coffee 80 2 125
1 Espresso 63 9 159
1 Americano 77 15 130
1 Latte 77 135 129
1 Green tea 35 2 286
1 Pills 200 5 50
1 Red Bull 110 90 91
1 Coca Cola 34 140 294
1 Diet Coke 46 0 217
1 Monster Energy 160 101 63
1 5 hour energy 242 4 41
1 Chews 100 25 100
1 Gum 100 10 100
1 Awake Chocolate 140 40 71
1 Chocolate Beans 180 60 167



How much caffeine would KILL you??

Caffeine to kill you too much


This can greatly vary by person, but it generally takes a very very very large amount of caffeine alone to kill a person. Since large doses of caffeine can raise a persons heart rate, if there are pre-existing medical conditions this can be a problem. Otherwise if you stay within the 400mg/day of caffeine, the average healthy adult should be fine.

However keep in mind many caffeinated drinks have lots of calories and lots of sugar in them. The "other stuff" in these drinks is often more a problem than the caffeine alone.

So enjoy your caffeine in moderation, and you should be fine :)
If you need more official health advice about caffeine, please refer to the Mayo Clinic or the US Gov Report on caffeine.

Sincerely,
Neville Medhora
Drinking caffeine
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