Questions tagged [caffeine]

Caffeine is a stimulant drug with a bitter taste. It is produced naturally by coffee plants. It can survive the heat of roasting and is water-soluble, so brewed coffee will contain caffeine. Use this tag for questions relating to caffeine content.

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6
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1answer
88 views

How much does caffeine concentration in a cup of coffee decrease as a function of time (roughly)?

For example, if I let a cup of coffee sit for 1-2 hours, would the amount of caffeine I get mostly be the same? Or does it decrease?
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1answer
53 views

Roughly how strong is one shot of espresso compared to a cup of drip coffee?

Every morning, I have one 12 oz. cup of drip coffee, to the point where I have become dependent on it. When I’m traveling, it’s often hard to find someone who will make me a straight cup of coffee. I ...
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2answers
86 views

It is good for my health to drink coffee 10 times a day?

I am working on a computer 15 hours a day, and I feel tired and sleepy a lot between the work. So I prefer to drink coffee to get rid of tiredness. Coffee gives me an energy boost and makes me able to ...
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0answers
40 views

Does hydration level change the effect of caffeine?

Apologies if this question does not belong here, it may be suit for the chemistry site, but it pertains to the consumption of coffee directly -> so here it is. Does your prior level of hydration ...
2
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1answer
217 views

What is the most effective way of consuming coffee (and caffeine in general)?

I generally drink 1–2 cups of coffee per day, between 09:00–12:00. I switch to teas after lunch so I'm not still full of caffeine by the time I go to bed. I wouldn't say that's heavy usage by any ...
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2answers
70 views

Am I psychologically addicted to coffee?

I do not really mind if I am addicted to coffee. However, I noticed a psychological effect and that makes me kind of curious. When I do not drink coffee, I feel more negative about life. Caffeine ...
1
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1answer
58 views

How coffee activates the nerve cells of the brain and what is the mechanism of it?

After drinking coffee we feel so relaxed and our brains feel so free. Why this happens?
0
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1answer
102 views

Is one cup of coffee a day good? [duplicate]

Is there any effect of drinking coffee daily? Is coffee harmful for health?How can I make my coffee healthier? Are there any benefits of drinking coffee daily?
0
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1answer
102 views

Does coffee help if you are tired because you have over slept?

If you have over slept and was drowsy because of this, would coffee give you an effective boost to get your day started or would you be better off with something like a sugary soda?
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1answer
119 views

What should be the daily coffee intake?

I am from Pakistan. Summers here are very hot. My question is how many cups of coffee are recommended as a daily intake in summers? should the daily intake of coffee vary in summers and winters?
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1answer
892 views

How much caffeine delivered by eating coffee grounds

I eat coffee grounds. I have size 000 capsules (just think of the size of the largest supplement capsules you may have seen), a capsule maker, and some Death Wish (which they tout as premium Ruousto, ...
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1answer
141 views

Sweating due to coffee intake

I sweat a lot. I have tried so many methods to combat sweating but none of it worked. Antiperspirants and other home remedies didn't work at all. I don't have enough money to go for botox or other ...
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2answers
186 views

What are the effects of caffein olfaction?

Does smelling caffeine share equivalent effects on our central nervous system to those immediately apparent when ingesting? More precisely, does the aroma of coffee necessitate a beneficial ...
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1answer
94 views

Is coffee/caffeine addictive?

I've heard that people get addicted. In other words, if someone has coffee regularly and they skip a day, then on that day they feel "low" or perform worse than they used to when they weren't a coffee ...
3
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2answers
7k views

How much caffeine is in 1 teaspoon of ground Arabica coffee?

Arabica is said to have less caffeine than Robusta. Couldn't find info about this specific question in Google hence asking here. The grind I have is for filter coffee.
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2answers
262 views

How long do the effects of caffeine take to appear?

Taking as a parameter the first sip of coffee we drink, and taking 10 minutes to drink a cup of coffee, how soon are the effects of caffeine to appear?
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2answers
39 views

Additions to decaff coffee to complement taste

I'm alternating drinking decaf bean coffee (O2 process) alongside caffeinated beans. Normally I drink caffeinated either black or with a little milk. With decaf, the reduced body of the taste is ...
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3answers
202 views

Caffeine and Hearing loss

What amount of coffee has an ototoxic effect after an acute noise exposure? I'm referring to this study: https://www.ncbi.nlm.nih.gov/m/pubmed/26940042/ I know that they use 25mg/kg which equals ...
4
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2answers
310 views

Will I get dehydrated from drinking coffee?

In fact, 54 percent of Americans over the age of 18 drink an average of 3.1 (8 oz) cups per day; the equivalent to 40 billion dollars spent solely on the ever-so-popular cup o' Joe. With over half of ...
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2answers
179 views

Finding if coffee is a health risk after best before

I have couple of coffee in my cabin where I visit on weekend and I saw 2 coffee which were best before xx 2017. One has big chunk of coffee and looks faded and the other got faded colour. I have no ...
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2answers
170 views

How bad is it for people with nervous tension to have coffee?

I am suffering from nervous tension and anxiety. Doctors have prescribed me regular anxiety reliever drugs and also asked me to completely stay away from tea, coffee, cola or any other beverages ...
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1answer
10k views

What is the caffeine content in Lavazza brand coffee

What is the caffeine content of the Italian coffee LAVAZZA brand? It is sold at several roast levels, so there is probably some variation.
2
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1answer
438 views

Caffeine vs Nicotine addiction [closed]

We, who love coffee very much, have a belief that coffee(which has caffeine) is better than cigarette or any other products which has nicotine. But as far as I know caffeine isn't so good for the body ...
6
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1answer
102 views

How does a snack with a coffee slow down the caffeine's effect?

I have stumbled upon the following sentence: Have your coffee with a snack to allow a slower release of caffeine into your system. Browsing the internet I could see exactly the same claims, not only ...
4
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1answer
749 views

Does ground coffee lose caffeine like it loses aroma?

What I know is that, for the best taste, one should grind the coffee right before brewing it. Storing ground coffee makes it lose part of its taste, even if there are ways to counteract that effect. ...
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0answers
19 views

How to decaffeinate coffee? [duplicate]

I was wondering how coffee is being decaffeinated. How is this achieved? Are there different approaches? Since when is this practice?
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1answer
124 views

Recommended time to finish a cup of coffee for the best caffeine surge?

Is there such thing as a recommended time lapse in which to finish drinking a cup of coffee, in which you get the best kick out of the caffeine?
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5answers
423 views

Why do I feel lousy, low, out of energy after the high coffee gives?

I started drinking a lot of coffee after coming to college. I became instantly energized and social after grabbing a cup or two. But then at night I became extremely dull, unsocial-able, and quite ...
3
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1answer
163 views

Can I have this type of coffee?

I would like to know if people normally have the type of coffee I do. I take coffee from a vending machine that has a variety of options (latte, cappuccino, espresso) of which I choose espresso. This ...
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3answers
2k views

Does coffee consumption cause continuous chest pain? [closed]

I drink coffee twice a day for almost a month. Lately, for last few week, I feel chest pain right after drinking coffee. I initially thought that was some gastric related problem. But even after ...
7
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6answers
11k views

Why does French press not give enough 'Caffeine Effect'?

I've been drinking drip coffee for several years. It's been perfect for me. It tastes good and most importantly it makes me awake. Recently I started drinking french press coffee and there is ...
7
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1answer
2k views

How are caffeine pills made?

I tried googling but nothing on the manufacturing, only dosage FAQs etc. The question is: how are caffeine pills made, are they produced using synthesized caffeine, how much of a chemistry is ...
4
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2answers
554 views

Which Starbucks coffee have the least amount of caffeine?

I like coffee, my mom likes coffee, my dad likes coffee, and we all love Starbucks. My question is, which coffe has the least ammount of caffeine? I want to try to get one for my little sister :) (...
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3answers
5k views

How long should I stir French press before “pressing”?

What are the pros/cons and effects of stirring, either "too much" or "too short", in a French press? My rule of thumb for steeping is to let the coffee cool down to a drinkable temperature, then ...
5
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2answers
335 views

Effect of Sugar on Perceived Bitterness in Coffee

Abstract: Food and Function Sugar changes the chemical structure of tea and coffee Is this effect of sugar in water on coffee solids to be trusted? I like some coffees black (pourover, drip) and ...
6
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3answers
907 views

Will the quality of the coffee change if I store it in a plastic bottle?

I make my coffee every morning. I leave it to rest for 20-30 minutes, mix it with some milk, and pour it into a plastic bottle. I drink the coffee from that bottle during the day. Am I doing it right?...
2
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2answers
3k views

If I leave my brewed coffee to rest, will it lose caffeine? [duplicate]

I prefer to drink coffee cold. So, after the coffee is done brewing, I leave it to rest for some time and drink it later. Will the coffee lose its strength, if it is cooling down?
8
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1answer
382 views

Does eating a cookie created using coffee beans has the same effect as drinking coffee?

There are some cookie recipes using coffee beans. I've never tried any of them. But I am curious, if eating a cookie has the same effect as drinking coffee? Or is all of the caffeine lost during the ...
5
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1answer
573 views

Why does coffee lose caffeine as it is roasted?

I have heard that coffee actually loses caffeine as you roast it, which means darker blends have less caffeine. Why is this?
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0answers
40 views

The relationship between hair growth and caffeine ..? [duplicate]

Does caffeine really enhance hair growth and keep the hair healthy? was it proven?
8
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7answers
2k views

How can I maximize the time the “high” lasts?

I know it's individual, but in general (or at least, in average): What are the main factors in how long does a coffee's "high" last? Can I deliberately make it last more than an hour? More than 3? I ...
6
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4answers
916 views

Should coffee be regulated?

A couple of questions/answers on this site make it clear that many people feel that coffee is addictive, at least for some fraction of consumers. My question, for those who believe coffee is ...
6
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1answer
5k views

How long does it take to reset caffeine tolerance

I've read on different websites, mainly fitness related, about cycling a pre-workout due to a build up of caffeine tolerance. The suggestions generally range in 1-2 weeks, but I think this would be a ...
7
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3answers
346 views

Student friendly coffee?

What type of coffee would you good people recommend as a quick and easy caffeine dose for staying alert? (specifically this, although I am fond of the taste too as a secondary factor!) I am currently ...
9
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2answers
735 views

Why is coffee comforting

I find drinking coffee relaxes me. Given that caffeine is a stimulant, I would expect it to do the opposite. Why? is it psychological? does it have something to do with it being a hot beverage? is it ...
9
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1answer
548 views

How much caffeine is lost after 24 hours?

Suppose I brew a 16 oz cup of coffee, take just one generous sip (one ounce), and then put the rest in the fridge. Just how "stale" is my coffee, when I revisit it 24 hours later?
7
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1answer
497 views

How many milligrams of caffeine are in a fresh coffee bean?

how much caffeine in a raw coffee bean? As in, raw, freshly picked, just remove hard outer shell and eat the rest.
12
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4answers
1k views

Will I be addicted to caffeine?

If I drink coffee everyday, will I be addicted to it, or is it just a myth? Is there any risk to my own health due to caffeine?
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3answers
43k views

Which of these espresso variant contain more caffeine?

Can you please explain what is the difference between these types of coffee and which one of them contains more caffeine then the others: American Espresso Lungo Ristretto And please if it's ...
7
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1answer
488 views

Does making Bali Coffee change the amount of caffeine compared to filter coffee?

Bali coffee is made by tossing finely ground coffee directly in the water (no filters, etc.). Does this change the amount of caffeine in the coffee, compared to coffee from a filter machine? (Coffee ...