How Long Does Coffee Take To kick IN? Updated 2023

Spread the love

Let’s start with how long coffee takes to kick in, but before that, we must look at ways of increasing caffeine’s effect on an individual’s body. Coffee takes 45 minutes to an hour to absorb fully into our body systems.

The sweet spot is obtained after 15 to 20 minutes when the peak caffeine level in the body is in equilibrium. At equilibrium, the body will feel like energy is boosted, which enhances optimal performance, and makes your mood happy. The best time to take coffee is before the power nap, so that you will feel better for a long time.

How Long Does Coffee Take To Kick In? Step By Step

Coffee Kick-in And Peak

Coffee stays in the body for about 20 minutes to an hour to kick in. About 4 to 5 hours are also present in coffee. Caffeine levels reach their full effect before 1 hour, which makes people anxious, nervous, or too energetic.

The caffeine in coffee stays in your body for a longer period of time and doesn’t go away immediately after you reach your peak level.

Coffee Half-Life

Caffeine has a long half-life, around 4 to 5, and doesn’t reach its peak within an hour after kick-starting an individual’s body. A caffeine half-life is simply the time when caffeine medication can last for a day.

Drinking 80mg of caffeine takes 4 to 5 hours to reduce to 40mg; meanwhile, it stays in the system for that time. If you have coffee earlier in the evening, it will keep you up for a longer time. People who are allergic to caffeine must not take coffee before going to bed to prevent insomnia.

Factors That Influence The Effect Of Caffeine

How Long Does Coffee Take To kick IN

Many factors influence the effects of caffeine in our bodies. A few of them are mentioned below:

Amount Of Coffee You Drank:

Caffeine dependence depends on the amount of caffeine you have consumed. It takes a longer time for the timer to kick in if you drink 4 cups as compared to a large iced coffee cup. If you don’t change, drink more and feel the difference afterward.

It is also present in energy booster drinks and many other food products to increase stamina.How much time do you take to drink your coffee? The amount of coffee stays in the body longer, then is taken quickly.

If you are drinking a large cup of coffee slowly, it will not give you proper results, so take it fast for better effects of caffeine. It can also affect the individual’s blood pressure and heart rate.


Older people will consume caffeine more slowly than adults. Coffee is not suitable for kids or older people. The adult also takes 100mg of caffeinated coffee daily; otherwise, it will lead to many health-related issues.


Caffeine also plays a vital role in genetics. A person with more weight can sustain more caffeine than a lightweight. But weight is not the only thing it affects. Certain gene factors affect the rate of metabolism.


The effect of coffee on the body depends on the rate of metabolism, whether you take it slowly or quickly over an average time.

If your liver metabolizes coffee slowly, you will not feel any effect for 2 to 3 hours. Conversely, if your liver metabolizes it quickly, you will have it after 20 minutes.

Liver and Kidney Health: 

When linked with caffeine, the liver and kidneys are the two stars of a person’s body. The liver can cause diseases such as liver cirrhosis and hepatitis B and C, slowing the clearance of caffeine in the body. On the 

On the other hand, the kidneys will filter out caffeine from the body.

Drugs And Medications: 

Many drugs contain caffeine, but caffeine is also a drug, unsurprisingly. Many drugs can increase caffeine’s half-life, such as Fluvoxamine for treating social anxiety, and OCD can also increase the half-life of caffeine. 

Caffeine Tolerance: 

The chronic consumption of coffee will lead to caffeine tolerance at some point in life. If you drink more, you get more energy, such that your body and mind are so used to the responsive action of caffeine that they are not affected anymore.

Type Of Coffee

How Long Does Coffee Take To kick IN

The type of coffee depends on factors such as the type of beans, preparation, and roasted level of the coffee. The study reveals that the coffee must contain 200mg of caffeine and 2 mg of decaffeinated ingredients.Also, see more about  Ninja coffee maker not brewing.

Consumption Method

The absorption rate is dependent on how the person consumes the caffeinated coffee.

Coffee taken on an empty stomach will increase the level of the absorptive process compared with coffee taken after food.

Food Intake

Caffeine absorption is affected by the presence of food in the stomach. Food that is high in fat will absorb more caffeine than food with less protein or fat.

Coffee Roasts And Caffeine

Coffee roasts usually contain a lot of caffeine, which takes longer to kick in. The amount of caffeine in the body is small, but we shouldn’t neglect it because it also matters. The level of caffeine per scoop will be higher and have more weight.

Also,see more about How Much OZ In A Coffee Mug? 

The following are the types of coffee roasts:

● Light roast coffee

● Medium roast coffee

● Dark roast coffee

Light Roast Coffee

Light roast coffee contains the most caffeine per scoop, but many people don’t know that. The reason behind this is that the light roast caffeine is dependent on per scoop. The name shows that the coffee is lightly roasted, so caffeine is released through fair processing.

Medium Roast Coffee

Medium roast coffee has less caffeine than light roast coffee per scoop. Medium roast is more popular than light roast because of its balanced taste and acidity.

Dark Roast Coffee

Dark roast coffee mixed with caffeine looks potent, but it contains less coffee per scoop. Dark roast coffee is best for iced coffee, but caffeine is higher in large cups. Dark roast coffee is most popular because of its lower acidity, which is present in cold brewing methods.

How Much Caffeine Is Safe For The Body?

Most people are so addicted to coffee that they drink 4 cups of coffee daily, which equals 400mg of caffeine. But doctors always recommend not drinking that much coffee because it leads to insomnia and other sleep-loss problems. 

Expectant and mother-fed women should talk to their doctors before taking coffee. Caffeine can affect their health and their fetal health, which leads to further complex consequences.

Many people have their thoughts about coffee: 200mg cannot harm the female placenta, and there is no risk of miscarriage. So, they should drink decaffeinated coffee during this period to avoid consequences.

The individual with the following problems should refer to their doctor for a safe drink of coffee, such as:

● Sleep disorders

● Cardiovascular disease or heart arrhythmia 

● Acid reflux or stomach ulcers 

● Migraines or regular headaches

● Anxiety 

● Liver or kidney disease 

● Seizures

How Long Does Coffee Take To kick IN

Individuals taking any medication such as antibiotics, stimulants, or other heart medication drugs should be cautioned before coffee intake.

The uncommon and dangerous condition will occur if you take caffeine for about 1200 mg, leading to Caffeine poisoning and caffeine toxicity.

Frequently Asked Questions:

How Long does It Take A Coffee To kick In?

The coffee takes 45 minutes to an hour to kick in. Less than 200 mg of coffee with caffeine is suitable for an individual to take in one day for a better mood.

How Do You Get Coffee To get In?

If you take coffee with an empty stomach, you will quickly get the coffee to get in. It will last 12 hours, make you feel physically fit, and boost your mood.

Is It Reasonable To Drink Coffee Every Day?

It’s not suitable for an individual to drink 2–5 cups daily. It leads to many health problems, such as heart disease, high blood pressure, liver disease, Parkinson’s, etc. So people should avoid taking it in high amounts.


In the end, we conclude: How long it takes to kick in the coffee. The effect of coffee on the body is more prolonged when it’s on peak for 20 to 60 minutes.

Still, many factors affect the body with increased levels of caffeine, such as genetics, age, tolerance, and other things you take in.

About The Author