45 votes
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How can I figure out how much caffeine is in my cup?

I read everyone's answer and did some of my own research to find an estimation method that satisfies me and might be helpful to others too. I think it should be roughly ±20% accurate. For any amount ...
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  • 1,753
19 votes

How can I figure out how much caffeine is in my cup?

Estimation is all well and good, but if you really want to know exactly how much caffeine is in your cup, you're going to have to measure it! Basic Mode You can get caffeine testing strips that you ...
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  • 6,995
16 votes
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Is there more caffeine with an AeroPress?

Aeropress coffee (hearby called Aerpresso in this post) is more concentrated than regular drip coffee. However, if you are using similar amounts of grounds as you would in a drip machine, you shouldn'...
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15 votes
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What type of roast has the lowest caffeine content?

In general, darker, arabica roasts have less caffeine. Arabica (as opposed to robusta) inherently has less caffeine in it naturally, and darker coffees have less caffeine since they have been roasted ...
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  • 1,589
14 votes

How can I figure out how much caffeine is in my cup?

Well I am not sure how thay did it but here is the website about the amount of caffeine there is in certain cups of coffee (types will vary): Caffeine In Coffee There will be caffeine intake of other ...
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  • 1,852
12 votes

How can I figure out how much caffeine is in my cup?

Determine what kind of coffee you are working with. Different kinds of coffee have different amounts of caffeine. USDA-accredited values are: Normal - 40 mg Decaffeinated - 1 mg Espresso - 212 mg ...
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  • 1,222
12 votes
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Does a decaffeinated coffee have zero or little caffeine in it?

We have yet to invent a process that removes 100% of the caffeine. When drinking decaf, the important question to consider is how likely you are to feel the effects of the trace amounts of caffeine ...
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  • 2,706
12 votes

Will I be addicted to caffeine?

According to this review published in Psychopharmacology, it is very much not a myth. The caffeine-withdrawal syndrome has been well characterized and there is sufficient empirical evidence to ...
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12 votes

How can I maximize the time the "high" lasts?

Without considering the amount or potency of the coffee as well as setting personal metabolism aside, you could adjust your coffee schedule according to your natural circadian rhythm, a methodology ...
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  • 381
11 votes

What preparation method yields the most caffeine?

The first thing you want to do is choose the right bean and the right roast. Longer roasting removes some of the caffeine from the bean, so a lighter roast would be preferred. Additionally you should ...
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  • 391
10 votes
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How much caffeine is in an espresso shot?

According to caffeineinformer, there is 77 mg of caffeine in 1½ shots of espresso. Comparatively, an 8 oz. cup of brewed coffee comes in at 163 mg of caffeine. There is roughly 1/2 as much caffeine ...
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  • 777
10 votes
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Can caffeine be extracted by the body when digesting coffee grounds?

Yes. Coffee grounds are simply the ground up seeds found inside the berry of the coffea plant, so eat up! Even after the beans have been ground and extracted into your favorite coffee beverage, they ...
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10 votes
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Is coffee really useful for alcohol hangovers

No. Coffee is often offered to people perhaps about to pass out so that they will stay awake long enough that they can be kicked out of an establishment. Alcohol causes dehydration, electrolyte ...
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10 votes

Which of these espresso variant contain more caffeine?

Lets's do some Espresso math: Taking an espresso12 as base unit, we can conclude: A ristretto3 uses less (typically: half as much) water than an espresso for the same amount of grounds. This means ...
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  • 3,853
10 votes

Which of these espresso variant contain more caffeine?

To say which of these has the most caffeine is a little bit complex, as it depends on if you mean how much caffeine per ounce vs. how much caffeine in the drink in its entirety. To start, let's ...
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10 votes
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How much caffeine is lost after 24 hours?

Caffeine does not break down (at any appreciable rate) when left alone in a drink. It requires the enzymes in your body to break it down, so when you take the drink out of the fridge, it'll be just as ...
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  • 6,995
9 votes
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Is it okay to compost used grounds?

As an avid composter I can say that I have always used lots of coffee grounds and my compost has always done well with it. There are a few reasons why it is beneficial: used grounds are fairly pH ...
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  • 1,142
9 votes
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What are the side effects of drinking too much coffee?

Caffeinated beverages like coffee and soft drinks give short bursts of energy, but can actually cause fluid loss. Caffeine has been shown to temporarily raise blood pressure, and reduces blood flow to ...
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  • 923
9 votes

Is coffee really useful for alcohol hangovers

A hangover is the body reacting to being poisoned. Coffee, like any other liquid you might drink, will help with the dehydration. If your drunkenness has caused you to sleep in, and you normally drink ...
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9 votes

Does coffee consumption cause continuous chest pain?

Similar questions have been answered in Coffee SE several times. So please check these previous questions first. I'm enlisting the most related ones I can think of below: How many cups of coffee is ...
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  • 7,583
9 votes
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How much does caffeine concentration in a cup of coffee decrease as a function of time (roughly)?

Caffeine is quite stable, it doesn’t evaporate or break down at room temperature (or coffee temperature), apart from dissolving in the water used to brew your coffee. So after an hour or two, the ...
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  • 3,853
8 votes

How can I figure out how much caffeine is in my cup?

It really varies by size, bean origin, roast method and other factors. To get some general idea, here is full table according to Wikipedia: And here is a full list according to Center for Science in ...
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  • 923
8 votes
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Why does coffee heal headaches in some people but causes it in others?

Different people react to chemicals and stimulants in slightly different manners. It's entirely possible that the raise in blood pressure caused by caffeine may be exaggerated in some individuals (...
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8 votes
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Instant coffee has less caffeine than percolated and filter drip?

With instant coffee, you are not "practically eating the beans;" you are drinking reconstituted dried coffee. To create instant coffee granules, the manufacturer first brews the coffee using ...
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8 votes

How can I stay off coffee after I quit?

I kicked it by switching to caffeine pills so that I could carefully taper down. Before I started the process, though, I went to caffeineinformer to get a good estimate of my daily habit. I then used ...
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  • 143
8 votes
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Can I have this type of coffee?

The beverage you make by diluting vending machine "espresso" with hot water is called "poor imitation of Americano". It is hard to say how much caffeine it contains because it's not clear what this ...
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7 votes
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Coffee in a flask - How long can I store?

There are a few factors at play here. The temperature that the coffee is brewed at and how well the flask holds that temperature are primary. While the coffee stays hot the caffeine level will ...
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  • 1,142
7 votes

Does caffeine raise cholesterol (good or bad)?

Coffee beans contain a chemical called cafestol, which tends to increase blood cholesterol levels, especially LDL ("bad") cholesterol. Brewing with a paper filter seems to reduce the levels of these ...
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  • 8,497
7 votes

Roughly how much caffeine am I ingesting when I eat chocolate coffee beans?

This seems to suggest that there is approximately 7mg of caffeine per coated bean. I've no idea how much those weight per piece, or how many are in a bag, but the math should be fairly easy if you ...
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7 votes
Accepted

How to weaken effects of caffeine after consumption

What you experienced was a caffeine overdose, however mild, and that's something that you shouldn't really try home remedies to correct. Had you gone to the emergency room, you probably could have ...
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  • 2,706

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