When Do Energy Drinks Kick In?

On days when you need an extra push to help you achieve that goal, an energy drink is a great source to replenish your stamina and focus.

Energy drinks are a big hit among people who hustle to make every day count. Whether you are an athlete or a college student, an extra boost of energy will help you perform at your maximum potential.

But when exactly should you drink an energy drink to ace that exam or burn some extra calories?

The main active ingredient in energy drinks is caffeine. You can feel the effects of caffeine after 10 minutes of consumption. The effects peak in about 30-60 minutes, depending on each individual.

So it is ideal that you drink an energy drink at least an hour or half before your exam or workout session. How fast caffeine impacts your body depends on factors like age, body weight, caffeine tolerance, and genetics.

To learn more about how an energy drink works and how it impacts your body, give this article a read!

Is Caffeine Bad For You?

Coffee Beans
Is Caffeine Bad?

Caffeine is not bad for you if it is consumed in moderation.

Caffeine is the main energy-inducing ingredient in energy drinks.  It acts as a stimulant enhancing brain performance and focuses.

It works by blocking adenosine receptors and increasing the production of dopamine. This results in a better mood, more energy, and a longer attention span.

Not only does caffeine improve energy levels but some studies show it also improves metabolism and helps with weight loss.

But there is a bad side of caffeine that prevails when you overconsume it.

Consuming more than 400mg of caffeine per day can result in

  • Increased heart rate
  • Restlessness and irritability
  • Anxiety and jitters
  • Dehydration
  • Severe headache
  • Insomnia

How Long Does An Energy Drink Last?

The effects of energy drinks peak in about 30-60 minutes after consumption. After that, the enhanced energy levels start to decline. But the ingredients stay in your body for up to several hours.

An energy drink is composed of various active ingredients, the main being caffeine. Other ingredients like taurine and guarana enhance the effects of caffeine.

The half-life of caffeine is 5-6 hours. This means no matter what amount of caffeine you have consumed, half of it is utilized by your body within that time.

The other half might take 5 hours or longer to wear off. This means overall it takes up to 10-12 hours for the caffeine to be completely removed from your system.

How Long Do Energy Drinks Keep You Awake?

The higher amount of caffeine an energy drink contains, the longer it will keep you active and awake. But keep in mind that consuming more than 400mg of caffeine in a day can lead to various side effects.

Even though an energy drink is a combination of various active ingredients, we will keep our focus on the main energy-boosting ingredient of energy drinks, caffeine.

The effects of caffeine on your body are greatly influenced by age, genetics, and caffeine tolerance.

For people who are sensitive to caffeine, the effects of caffeine are more intense and last longer.

People often develop a caffeine tolerance if they are avid consumers of caffeinated drinks. This results in their body getting used to the energy rush that caffeine provides.

Other factors such as age and body type also contribute to the caffeine impact on your body.

Do Energy Drinks Really Give You Energy?

Energy drinks contain ingredients like caffeine, taurine, guarana, and ginseng root extract. These ingredients work together to enhance energy levels and improve stamina.

Apart from this, energy drinks are also filled with essential electrolytes and vitamins that help enhance the various body functions. This results in an overall active and energetic body.

Some of the main ingredients of energy drinks, apart from caffeine, are listed below


  • Improves exercise performance
  • Maintains a proper balance of minerals and electrolytes in the body
  • Enhances muscle strength and reduces recovery time
  • Delays fatigue and increases stamina

Ginseng Root Extract

  • Helps protect against oxidative stress
  • Improves memory and attention span
  • Strengthens the immune system


  • Rich source of antioxidants
  • Promotes weight loss
  • Improves heart health
  • Helps fight fatigue

How Long Does It Take For Red Bull To Kick In?

A can of Red Bull contains 80mg of caffeine. According to various sources, it takes about 15-45 minutes for Red Bull to reach its maximum energy levels after which the effects start to decline.

The length of the impact of Red Bull can vary from person to person depending on their caffeine sensitivity and body type.

Typically, Red Bull is absorbed into the bloodstream 10 minutes after consumption and will get you pumped up within an hour or a half.

After 45 minutes when the effects of the energy boost start to decline you might experience a sugar crash due to this sudden change in energy levels.

How Long Does It Take For The Monster Energy Drink To Kick In?

Like most energy drinks, it takes about 10 minutes for the ingredients in the drink to initiate the increase in energy levels. You feel the maximum energy boost after 30 to 60 minutes of consumption.

Since Monster Energy drink contains 160mg of caffeine and 54g of sugar per can, the effects of energy boost last longer.

Even after 5 hours (half-life of caffeine), your body still contains 80mg of caffeine. This is equivalent to the amount of caffeine in one can of Red Bull.

This means that Monster Energy drink can keep you active and energetic for more than 10 hours.

When Should You Drink An Energy Drink?

Caffeine is an integral ingredient of energy drinks, responsible to provide you with the required energy surge.

It takes about 45 minutes for the caffeine to be fully dissolved in the bloodstream once it has entered the body.

This means that the best time to have an energy drink is 30 to 60 minutes before needing an energy boost.

 An individual will feel most energized 30 to 50 minutes after having his energy drink. After this time, the effect of the energy drink starts to wear off slowly and steadily with an energy crash in some instances.

This energy crash is an indication of the fact that the effect of the drink has been wiped out from your system.

The half-life of caffeine is about 5-6 hours after this the effects of caffeine eventually start to decline. So it is advised not to consume an energy drink 6 hours before sleeping.

Is One Energy Drink A Day OK?

It is absolutely fine to have one energy drink per day if one does not have any pre-existing medical conditions.

For the majority of the population, one drink per day won’t do any harm especially if they have a healthy and balanced lifestyle.

Energy drinks are not for pregnant women or children.

This should be kept in mind that every energy drink has a different impact on your health. This is due to the differences in the quantities and type of ingredients present in them.

Some drinks contain handsome amounts of sugar and caffeine, while some have them in moderation. Some are sugar-free too.

It is important to learn about the quantities of ingredients like caffeine and sugar present before consuming an energy drink. This will help prevent overconsumption of such ingredients as that can lead to various health issues.

Energy Drinks Benefits

Energy drinks are often associated with various health risks but they can improve your lifestyle and performance if consumed responsibly.

Some benefits of consuming energy drinks include

  • Clears mental fog and improves focus
  • Enhances muscle strength and reduces fatigue
  • Improves mood and reduces reaction time
  • Can help deal with stressful situations

Side Effects Of Energy Drinks

Energy drinks, if consumed in excess can lead raise various health concerns. This is because energy drinks are usually comprised of ingredients like caffeine, sugar, taurine, artificial sweeteners, and preservatives.

These ingredients when consumed frequently, in large amounts can impact the health of various organs.

Some side effects of energy drinks include

  • Dehydration
  • Sleep deprivation
  • Anxiety and restlessness
  • High blood pressure
  • Increased risk of heart attack

To minimize the risk of these side effects make sure you go through the ingredients of the energy drink thoroughly to avoid consuming ingredients that are harmful to your health.

Best Energy Drinks To Get You Through Your Day

If you are looking for energy drinks that are effective and long-lasting, here are some options

  • Monster
  • Celsius
  • Red Bull
  • 5-Hour Energy
  • C4 Energy
  • G-Fuel

Final Verdict

Energy drinks are an effective and easy source for increased energy levels and enhanced focus. On average it takes about 30 to 60 minutes for an energy drink to kick in and provide the needed energy boost.

Most energy drinks use caffeine as their main active ingredient therefore, how long an energy drink lasts depends on your caffeine sensitivity, age, and body type.

With ingredients like caffeine and sugar, it becomes essential that energy drinks are consumed in moderation.