
How Long Do Energy Drinks Last In Your Body?
When consuming energy drinks it goes through the digestive system like any other normal soft drink. While the energy drink is going through your body, your body absorbs sugar, caffeine, and other ingredients to give you a quick boost of energy.
The time an energy drink will last before being completely out of your system depends on several factors like metabolism, height, weight, gender and even genetics play a role.
A general rule of thumb is that an energy drink will last 8 hours in your body before it’s completely gone and the energy is worn off.
How long do energy drinks take to kick in?
The effect of energy drinks depends on the type of drink and can range from a few minutes to many hours. The most common effect is an increase in alertness along with a boost in your mood and energy level.
Some people may experience jitters, which is a feeling of overexcitement that can be unpleasant. The amount of caffeine in energy drinks can vary, so it’s important to check the label before you buy one.
Some brands may also combine caffeine with other ingredients, such as guarana or taurine. If you’re new to energy drinks, it’s best to start with a low dose and wait 20 minutes before drinking more.
This way, you can see how your body reacts to the drink without feeling overwhelmed. If you don’t feel any effects after 20 minutes, you can always drink more later. As a general rule, I recommend stopping after two drinks.
Sugar + caffeine will keep you awake.
Common ingredients in energy drinks
Supplement | Dose* | Marketing claims | Potential benefits | Possible issues |
Sugar | 50 g + | Provides energy for the brain | Palatability; stimulant | Excess energy intake |
Caffeine | 140 mg + | Stimulant and cognitive booster | Stimulant; nootropic | Tolerance; withdrawal; heart problems; sleep problems |
Taurine | 2000 mg | Improve blood flow | Antioxidant; heart health; insulin sensitivity | ** |
Niacin | 40 mg | Help the body make energy | ** | ** |
Inositol | 50 mg | Increase focus | ** | ** |
Vitamin B6 | 4 mg | Help the body make energy | ** | ** |
Vitamin B12 | 12 mcg | Help the body make energy | ** | ** |
Ginseng | 50-400 mcg | Increase focus | Nootropic | Gl distress |
Guarana | 50 mg | Increase alertness and energy | ** | ** |
L-Carnitine | 50 mg | Increase fat burning | ** | ** |
* Typical dose per 16 fl. Oz. (473 mL)
** None (dose too low)
What affects how long energy drinks will last in your body
Gender
Men and women may metabolize caffeine differently. Research indicates that women may be more likely than men to experience side effects associated with energy drink consumption.
One study found that women maybe three times as likely as men to experience insomnia related to energy drinks.
Research also indicates that women may metabolize caffeine more slowly than men, which may contribute to greater adverse reactions from caffeine intake.
Age
As we age, our bodies naturally produce less and less of the energizing chemical known as adenosine. This can cause us to feel more tired and less alert throughout the day.
If you’re feeling sluggish or need a little boost, energy drinks can be a great way to give yourself a little boost. However, it’s important to use these drinks wisely if you are over the age of 40.
Because of the lack of adenosine, you’ll be able to drink a lot more before reaching a high energy level. But the side effects will not be less compared to a younger person.
Many energy drinks have large amounts of caffeine that can cause uncomfortable side effects, including jitters, heart palpitations, and withdrawal headaches.
They can be an effective way to give your body a little boost and help you get through your day, but they should not be relied on as a permanent solution.
Body height/weight/fat
Weight and height don’t affect energy drinks, but the intake of one can put you at a higher risk of side effects. The UL (meaning it is not healthy to drink such energy drinks) is 50 mg/kg/day.
Meaning if you weigh 60 kg, you can only have 3000 mg in one day. If you are even slightly overweight or have poor health, you should avoid it completely, as it also contains a lot of caffeine that may cause dehydration, headache, etc.
Genetics
Many complicated and interrelated factors contribute to the effects of genetics on energy drinks. One of the most important factors is how our bodies process the caffeine that is present in energy drinks.
The way our bodies process caffeine is partially dependent on our genetics. This means that some people may be more or less susceptible to the effects of caffeine, depending on their genetic makeup.
People with specific genetic variations may experience different symptoms, such as more frequent or severe headaches, dizziness, or nausea when drinking energy drinks that contain caffeine.
Additionally, genetic variations can also influence how our bodies process and metabolize caffeine as well as other components in energy drinks, such as taurine and glucuronic acid.
Genetics can also play a role in how our bodies respond to the combination of caffeine with other substances found in energy drinks such as guarana and ginseng.
Food intake
It’s easy to think that food and energy drinks don’t go together, but there is a perfect pairing. Both are packed with electrolytes and they each offer different types of fuel.
Pairing an energy drink with a meal is a great way to enhance the experience and make it even more enjoyable. An energy drink combined with food can provide the body with long-lasting energy.
Food will greatly impact how long you’ll feel the energy boost when drinking energy drinks.
There are a few things to keep in mind when pairing an energy drink with a meal:
- Energy drinks have about 80 calories and 25g of sugar per serving. This is similar to regular soft drinks. Energy drinks are not intended as a sweetener for meals – they should be enjoyed in addition to your meal or as a snack.
- Not all foods go well with an energy drink. In general, sweet desserts go well, but certain dishes can clash with the flavor of some energy drinks. Experiment by trying different combinations until you find one you like best!
- Adding lemon juice or sparkling water can help balance out the flavor of an energy drink if it’s too strong for you. Be careful not to overdo it though – you want to end up with a nice balance – not an overly sour or bitter drink!
Caffeine tolerance
Caffeine tolerance is the body’s ability to adapt to a compound by producing more or less of a particular protein, which has ligand activity concerning the target molecule.
Your caffeine tolerance will have a large impact on how long you’ll experience the energy boost from an energy drink. However, your caffeine tolerance is quick to wear off once you stop the intake.
For most people, 24–48 hours of abstinence is enough to lower caffeine tolerance. As a result, physical-addictive qualities are reduced, but withdrawal symptoms can be triggered if you consume high caffeine doses in this state.
After 3 days with no caffeine, your brain and body will re-adjust the chemistry of dopamine and adenosine receptors in your brain, reducing your caffeine tolerance. The chemical imbalance leads to withdrawal symptoms such as intense headaches, fatigue, and irritability.
As a result of this measure, physical-addictive qualities are reduced.
Caffeine in energy drinks
Caffeine is the active ingredient in energy drinks, and it helps give you more energy by stimulating your nervous system. The effects of caffeine on your body depend on how much caffeine you consume and how your body reacts to it.
In general, the more caffeine the energy drink has the more energized you’ll feel. But the energy drink won’t last longer with more caffeine. If you drink more caffeine your body will absorb more caffeine.
Morten has been working with technology, IoT, and electronics for over a decade. His passion for technology is reflected in this blog to give you relevant and correct information.
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