Is Monster Zero Bad For You? A Comprehensive Guide

Monster Zero is a popular energy drink that promises to provide a boost of energy without the calories and sugar found in traditional energy drinks. While this may sound like a healthy option, many consumers have concerns about the potential health risks associated with the artificial ingredients and high caffeine content. 

In this article, we will take a closer look at the ingredients in Monster Zero, its potential health benefits and risks, and what medical and health experts have to say about its safety. By the end, readers will have a better understanding of whether Monster Zero is a safe and healthy choice for their energy needs.

What is Monster Zero?

Monster Zero is a sugar-free energy drink produced by Monster Beverage Corporation. It is a low-calorie version of the original Monster Energy drink, marketed towards individuals who are looking for an energy boost without consuming sugar.

Nutrition Facts of Monster Zero

Monster Zero is a sugar-free energy drink that contains the following nutritional information per 16 fl oz (1 can):

  • Calories: 0
  • Total Fat: 0g
  • Sodium: 380mg
  • Total Carbohydrates: 2g
  • Sugars: 0g
  • Protein: 0g

The ingredients in Monster Zero include carbonated water, citric acid, natural and artificial flavors, sodium benzoate (preservative), caffeine, potassium sorbate (preservative), sucralose, acesulfame potassium, gum arabic, niacinamide (Vitamin B3), sodium chloride, D-glucuronolactone, Inositol, Guarana seed extract, Pyridoxine Hydrochloride (Vitamin B6), and cyanocobalamin (Vitamin B12).

  • Carbonated water: Water infused with carbon dioxide gas to make it effervescent.
  • Citric acid: A weak organic acid that gives a sour taste to the drink and acts as a preservative.
  • Natural and artificial flavors: Flavors added to enhance the taste of the drink.
  • Sodium benzoate: A preservative used to prevent the growth of microorganisms in the drink.
  • Caffeine: A natural stimulant that helps increase alertness and energy levels.
  • Potassium sorbate: Another preservative used to prevent spoilage of the drink.
  • Sucralose: A non-nutritive sweetener that provides sweetness without adding calories.
  • Acesulfame potassium: Another non-nutritive sweetener that is 200 times sweeter than sugar.
  • Gum arabic: A natural substance that adds thickness and texture to the drink.
  • Niacinamide: A form of Vitamin B3 that helps the body convert food into energy.
  • Sodium chloride: Common table salt that helps maintain the body’s fluid balance.
  • D-glucuronolactone: A naturally occurring substance found in the body that helps detoxify harmful substances.
  • Inositol: A type of sugar that helps the body convert food into energy.
  • Guarana seed extract: A natural source of caffeine that helps increase alertness and energy levels.
  • Pyridoxine Hydrochloride: A form of Vitamin B6 that helps the body make neurotransmitters, which are necessary for brain function.
  • Cyanocobalamin: A form of Vitamin B12 that helps the body make red blood cells and keep the nervous system healthy.

Pros and Cons


  • Contains zero calories, zero sugar, and zero carbohydrates.
  • Provides a boost of energy due to its caffeine and B-vitamin content.
  • Has a variety of flavors to choose from.


  • Contains artificial sweeteners, such as sucralose and acesulfame potassium, which some people may want to avoid.
  • The high caffeine content may lead to negative side effects, such as jitteriness, anxiety, and sleep disturbances.
  • The added B-vitamins may lead to potential health risks if consumed in excess.

It is important to note that the pros and cons of Monster Zero may vary from person to person and depend on individual health factors. It is recommended to consult with a healthcare professional before consuming any energy drinks.

Health Benefits of Monster Zero

There are no significant health benefits of consuming Monster Zero or any other energy drink, and they may even pose health risks. The high caffeine and sugar content in energy drinks can lead to increased heart rate, blood pressure, and risk of heart attack and stroke. Additionally, the high sugar content can contribute to weight gain and other health issues.

One study published in the Journal of the American Heart Association found that consuming just one energy drink can increase the risk of heart attack and stroke in young adults. Another study published in the Journal of Nutrition found that consuming energy drinks can lead to increased blood pressure and stress hormone levels.

It is important to note that energy drinks should not be used as a substitute for proper nutrition and sleep. If you need a boost of energy, it is recommended to consume healthier alternatives such as coffee, tea, or a nutritious snack.

Scientific Studies on Monster Zero

Some studies on the health effects of Monster Zero:

  1. A 2021 study found that energy drinks like Monster Zero can lead to dental erosion and increased risk of cavities.
  2. A 2017 study published in the National Library of Medicine found that energy drinks like Monster Zero can cause abnormal heart rhythms and may increase the risk of heart disease and stroke.
  3. A 2015 study found that energy drinks like Monster Zero can lead to dehydration, especially when consumed in large quantities or during prolonged exercise, especially in a hot environment.

What Do Experts Say About Monster Zero?

There are various opinions among health experts about Monster Zero, as it is a highly caffeinated energy drink. Some experts warn against consuming too much caffeine and artificial sweeteners, while others believe moderate consumption can be safe for healthy adults.

Here are a few quotes and sources from health experts:

  1. “Energy drinks like Monster are not healthy. They have no nutritious value and are packed with caffeine and sugar. These drinks can cause high blood pressure, obesity, insomnia, tooth decay, kidney damage, and even heart disease.” – Dr. Keri Peterson, Internal Medicine Physician
  2. “The high levels of caffeine and sugar in energy drinks like Monster can be harmful to your health, especially if consumed in large amounts or on a regular basis. It is best to limit your intake and choose healthier options like water, herbal tea, or natural fruit juice.” – Marisa Moore, Registered Dietitian
  3. “Energy drinks can have negative effects on the body, such as an increased heart rate, anxiety, and dehydration. However, for healthy adults who consume them in moderation, there may not be any major risks.” – Dr. Kelly Pritchett, Registered Dietitian and Sports Nutritionist
  4. “Monster Zero contains caffeine, which is a stimulant that can improve mental and physical performance. However, too much caffeine can cause negative effects like anxiety, jitters, and heart palpitations. It’s important to be aware of your own caffeine tolerance and limit your intake accordingly.” – Dr. Elliot Berlin, Chiropractor and Wellness Expert 

Overall, it is important to consider the potential risks and benefits of consuming Monster Zero or any highly caffeinated energy drink, and to consult with a healthcare professional if you have any concerns.

Who Should Avoid Monster Zero?

Individuals who are sensitive to caffeine or have underlying health conditions should avoid consuming Monster Zero. The high caffeine content in Monster Zero can have adverse effects on those with heart conditions, high blood pressure, and anxiety disorders. 

Pregnant and breastfeeding women should also avoid consuming energy drinks like Monster Zero. According to the American College of Obstetricians and Gynecologists, high levels of caffeine can increase the risk of miscarriage and affect fetal growth and development

Alternatives to Monster Zero

  1. Zevia Zero Calorie Energy Drink: This is an all-natural, zero calorie energy drink that is sweetened with stevia and contains caffeine from coffee extract. It comes in a variety of flavors and does not contain any artificial colors, flavors, or preservatives.
  2. Guayaki Yerba Mate: This is an organic, non-GMO, and fair trade energy drink that is made from the leaves of the yerba mate plant. It contains caffeine and other natural compounds that provide a natural energy boost.
  3. Runa Clean Energy Drink: This is a non-GMO, organic, and Fair Trade certified energy drink that is made from the guayusa leaf. It contains natural caffeine and antioxidants and comes in a variety of flavors.


Is Monster Zero safe to consume? 

The FDA has approved the use of the artificial sweeteners used in Monster Zero (sucralose and acesulfame potassium), but it’s recommended to consume energy drinks in moderation and consult with a healthcare professional if you have any concerns.

Does Monster Zero contain sugar? 

No, Monster Zero is sugar-free.

Can Monster Zero help with weight loss? 

While Monster Zero is calorie-free and could be incorporated into a balanced diet for weight loss, it’s not a magic solution for weight loss on its own.

Can Monster Zero cause dehydration? 

Caffeine is a diuretic and can cause dehydration if consumed in excess, so it’s important to drink plenty of water in addition to consuming energy drinks like Monster Zero.

Is Monster Zero vegan? 

Monster Zero does not contain any animal products and is considered vegan-friendly.

Can Monster Zero cause headaches or other side effects? 

Caffeine is a common trigger for headaches and some people may experience other side effects like jitters, rapid heart rate, or upset stomach when consuming energy drinks like Monster Zero.

Conclusion: Is Monster Zero bad for you?

As discussed in the article, Monster Zero is a highly caffeinated energy drink with artificial sweeteners and preservatives. While it may provide an energy boost, it also comes with potential risks and side effects.

Some medical experts and studies have linked excessive consumption of energy drinks to health concerns such as heart palpitations, high blood pressure, and increased risk of heart disease. It is important to note that individual reactions to energy drinks can vary. 

Based on the available information, it is recommended that individuals consume Monster Zero in moderation and be aware of their own body’s reaction to it. Overall, Monster Zero may not be inherently “bad” for you, but it is important to exercise caution and make informed decisions when consuming energy drinks.


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  • Marixie Manarang, MT, undergrad MD

    Marixie Manarang is licensed Medical Laboratory Scientist and an undergraduate of Doctor of Medicine (MD). For one year, she completed her internship training in a government hospital, primarily catering to retired veterans and their dependents. Through her preceptorships in medical school, she gained exposure to patients from various medical departments. Marixie’s passion for writing stems from her excellent medical background, being a mother, and a strong desire to assist the elderly and others in need. Education: Our Lady of Fatima University Doctor of Medicine (MD), Doctor of Medicine (2012-2015), Angeles University Foundation Doctor of Medicine (MD), Doctor of Medicine (2009-2011), Angeles University Foundation Bachelors, Medical Technology (2004-2009)






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