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Are Energy Drinks Bad For You Or Can They Be Healthy?

Energy drinks: either the liquid-form of junk food, or an ally for greater focus and endurance. But, are energy drinks bad for you? For the health-conscious and athletic types out there, energy drinks tend of fall onto the long list of ‘don’ts’, along with happy meals and frozen foods, when it comes to staying on top of their game. However, the right ones can actually help with quite the opposite. In this article, we’re going to take a deeper look at the good, the bad and the ugly of energy drinks.

Now may just be the time to take those blinkers off to the world of energy drinks and learn how to spot the performance enhancers from the junk.

You’ll find in this article:

energy drinks

 

What Are Energy Drinks?

You probably already have a good idea of what an energy drink is, but there’s a good chance that you might be imagining the fizzy stuff that you mix in with booze on a night out. 

Energy drinks, by nature, contain ingredients that give you a surge, or at least the impression, of extra energy. The most commonly included ingredients are almost always caffeine, quite often taurine, and sometimes vitamins and minerals. 

However, not all energy drinks are the same. 

 

Are Energy Drinks Bad for You and Why?

A study by the World Health Organization reviewed the safety of some of the most commonly consumed energy drinks, which raised concerns over long-term regular caffeine consumption, however, they stated that more research is needed to determine its effects.1 

A further concern was related to consumption of energy drinks mixed with alcohol on a regular basis, which is suggested to increase the likelihood of experiencing more adverse consequences like being hurt or injured. 

The final main concern was related to the sugar content of some energy drinks, which can contribute to obesity if consumed regularly. However, not all energy drinks contain high quantities of sugar – always check the label to make sure you’re not OD-ing on the sweet stuff without even realising. 

So, are sugar free energy drinks a safer alternative? While the sugar free varieties aren’t as bad for your teeth, they can still lead to the other negative side effects.2
 

Energy Drink Side Effects

Abusing off-the-shelf energy drinks can leave you far from energised. In fact, they can do considerable, lasting damage to your health. 

In smaller doses, the average energy drink can have short term negative effects such as making you restless and irritable, but in worse cases, the following side effects have been reported: 

  • Poor dental health 
  • Obesity 
  • Nausea 
  • Vomiting 
  • Heart-related issues

However, healthy energy drinks that don’t cause such side effects are available – keep reading to find out more.
 

Caffeine in Energy Drinks

Caffeine is a stimulant. It’s also the core ingredient in most energy drinks and shouldn’t be consumed in large amounts if you’re pregnant or breastfeeding. Recently, a large, systematic scientific review was carried out that concluded that drinking up to four cups of coffee carries no health risk (that’s around a total of up to 400mg per day).3

Caffeine has been proven to improve physical performance, increase stamina, and give a mental edge by increasing alertness and improving concentration, too. 

Caffeine in energy drinks is usually derived from guarana or yerba mate. The caffeine that you get in energy drinks is the same as the caffeine that you’ll find in the average cup of coffee – there are simply higher levels of it. 

For every 250ml can of your average energy drink, the caffeine content ranges from around 40mg to 360mg. A similar-sized cup of coffee has around 100mg of caffeine. Scientific research deems up to around 400mg of caffeine as safe to consume per day; so, the caffeine levels are not the primary health concern. However, more than one may put you over the presumed safe level of 400mg. 

 

Sugar in Energy Drinks

Most traditional energy drinks range between 25-40 grams of sugar per serving, which is about the same as a full-size chocolate bar. 

High levels of sugar not only increase the calorie content, but can also negatively impact your teeth, cholesterol, blood sugar control, and energy levels. While our bodies do run on carbohydrates, refined sugars are not the best source of energy. The negative impacts of sugar from energy drinks are often enough to outweigh the benefits. 

  

Healthy Energy Drinks

If you’ve ever grabbed an off-the-shelf energy drink and sipped it between your sets at the gym, then it’s time you looked for a healthier option. 

A high-quality, healthy energy drink can have the same effect as pre-workout supplementation, with added ingredients like amino acids. As well as pre-workout, you can beat that afternoon slump by picking a healthier option for your choice of canned stimulant. 

Look for energy drinks with ingredients that you know and trust. For example, for better performance, you should be on the lookout for: 

  • Caffeine – for enhanced performance and better recovery 
  • Amino acids – particularly branched-chain amino acids (BCAAs) to fuel muscle building 
  • L-Theanine – (especially when paired with caffeine) to increase focus 
  • Vitamins and minerals –particularly B vitamins, which reduce tiredness and fatigue 
  • Minimal sugars – your body needs carbohydrates for energy, but not at the soaring levels of unhealthy energy drinks, which will leave you deflated and can affect your recovery after a workout.

 

BCAA Drink

BCAA Drink is a great-tasting performance drink that delivers 5 grams of vital muscle-infusing branched-chain amino acids (BCAAs) per can – helping you raise your fitness game up a notch. Zero sugar, minimal calories and no carbohydrates, yet still promises a fast-acting energy boost.

Learn more about BCAAs here:

Command Drink

While caffeine can give you an energy boost, sometimes you need more of an edge. When you need to focus and keep your brain ready, Command has Cognizin (which helps to boost your brain’s acetylcholine levels) to increase your speed and attention.4

For even more of an edge, Command has L-tyrosine, to decrease mental fatigue and keep you at the very top of your game.5
 

What Time to Drink Energy Drinks?

Because energy drinks are stimulants, their caffeine content can be double-edged sword. In the gym, they make you a force to be reckoned with, but if taken too close to your bed time, they may interrupt sleep, which will ultimately be detrimental for natural energy levels. 

The half-life of caffeine is about 5 hours, meaning half the amount of caffeine is still in your system after that time.6

It’s recommended that you consume energy drinks before working out and up to 6 hours before bed to avoid disrupted sleep. Working out does increase your metabolism, but only time has an impact on the body’s caffeine levels.
 

Take Home Message

Not all energy drinks are bad for you. Instead of abstaining, the answer is to check the nutritional label before drinking and look out for beneficial ingredients like caffeine, BCAAs, and vitamins and minerals, with limited amounts of sugar.

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Our articles should be used for informational and educational purposes only and are not intended to be taken as medical advice. If you’re concerned, consult a health professional before taking dietary supplements or introducing any major changes to your diet.

  1. Jean, G. (2017). How can we restrict the sale of sports and energy drinks to children? A proposal for a World Health Organization‐sponsored framework convention to restrict the sale of sports and energy drinks. Australian dental journal62(4), 420-425. 
  2. Clauson, K. A., Shields, K. M., McQueen, C. E., & Persad, N. (2008). Safety issues associated with commercially available energy drinks. Journal of the American Pharmacists Association48(3), e55-e67. 
  3. Wikoff, D., Welsh, B. T., Henderson, R., Brorby, G. P., Britt, J., Myers, E., … & Doepker, C. (2017). Systematic review of the potential adverse effects of caffeine consumption in healthy adults, pregnant women, adolescents, and children. Food and Chemical Toxicology109, 585-648. 
  4. Picciotto, M. R., Higley, M. J., & Mineur, Y. S. (2012). Acetylcholine as a neuromodulator: cholinergic signaling shapes nervous system function and behavior. Neuron76(1), 116-129. 
  5. Strüder, H. K., Hollmann, W., Platen, P., Donike, M., Gotzmann, A., & Weber, K. (1998). Influence of paroxetine, branched-chain amino acids and tyrosine on neuroendocrine system responses and fatigue in humans. Hormone and Metabolic Research30(04), 188-194. 
  6. Benowitz, N. L. (1990). Clinical pharmacology of caffeine. Annual review of medicine41(1), 277-288.


Claire Muszalski

Claire Muszalski

Writer and expert

Claire is a Registered Dietitian through the Academy of Nutrition and Dietetics and a board-certified Health and Wellness Coach through the International Consortium for Health and Wellness Coaching. She has a Bachelor of Science in Biology and a Master’s degree in Clinical Dietetics and Nutrition from the University of Pittsburgh.

Talking and writing about food and fitness is at the heart of Claire’s ethos as she loves to use her experience to help others meet their health and wellness goals.

Claire is also a certified indoor cycling instructor and loves the mental and physical boost she gets from regular runs and yoga classes. When she’s not keeping fit herself, she’s cheering on her hometown’s sports teams in Pittsburgh, or cooking for her family in the kitchen.

Find out more about Claire’s experience here.


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