A hand holding a Monster Energy drink.

How to Stop Acid Reflux after Drinking Monster Energy: Step-by-Step

Written by: Adam Ho

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Published on

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Time to read 4 min

Many people reach for an energy drink like Monster to stay alert and productive. However, for some, the aftermath includes a burning sensation in the chest, throat discomfort, or bloating - classic signs of acid reflux. This guide explores why Monster Energy can trigger acid reflux and what you can do to find immediate relief.

To understand and tackle why Monster Energy causes reflux, remember: your digestive system is unique. Generic fixes rarely work because your triggers and gut sensitivity vary. For personalized answers and practical steps to truly improve your gut health, take our free, 2-minute Claisen quiz. It uncovers your unique reflux patterns and guides you to lasting relief.


Disclaimer: The information provided in this blog post is for general knowledge and informational purposes only, and does not constitute medical advice. Always consult with a qualified healthcare professional before making any decisions about your health or treatment. If you experience persistent or severe acid reflux, seek medical attention immediately.

Why Monster Energy May Cause Acid Reflux

Monster Energy drinks contain several ingredients that may increase the likelihood of experiencing acid reflux symptoms. Here is how each contributes:

1. Monster Energy Is Caffeinated

Monster Energy cans typically contain 150-300mg of caffeine, which is a significant amount given healthy adults can safely consume up to 400mg daily. Caffeine is known to relax the lower esophageal sphincter (LES) – the muscular ring that acts like a gate between your stomach and esophagus. When this gate loosens improperly, stomach acid is more likely to leak upward, directly triggering symptoms of acid reflux.

A table of Monster

2. Monster Energy Is Carbonated

Carbonated beverages, like Monster Energy, introduce gas into your stomach, which increases the pressure inside. This elevated pressure can forcefully push stomach acid back up through the LES - the valve meant to keep acid down - especially if you drink it quickly or in large amounts.

3. Monster Energy Is Acidic

With a pH of approximately 2.7, Monster Energy is highly acidic. This elevated acidity directly contributes to acid reflux because the esophageal lining is sensitive and lacks the robust protective barriers inherent to the stomach. Consequently, highly acidic beverages like Monster Energy can irritate the LES, potentially inducing its relaxation or preventing its proper closure, thereby causing symptoms of acid reflux.

How to Stop Acid Reflux After Monster Energy Drink: Immediate Relief

If you begin to experience acid reflux symptoms after drinking Monster Energy, timely action can reduce discomfort. Consider the following steps:

Step 1: Stop Drinking Immediately

Discontinue drinking Monster Energy drink as soon as you notice discomfort. Continuing to consume it will only increase acidity and exacerbate symptoms.

Step 2: Remain Upright

Avoid lying down or reclining. Gravity helps keep acid in the stomach. Aim to:

  • Stay seated in an upright position, ideally at a 90-degree angle.

  • Walk gently for 10–15 minutes to encourage digestion and reduce pressure buildup.

Step 3: Sip Room-Temperature Water

Drink a small glass (about 200–300 ml) of plain, room-temperature water .

This can help:

  • Dilute the stomach acid

  • Rinse acid from the lining of the esophagus

  • Promote downward movement of contents in the digestive tract

Avoid cold water, which may cause the stomach to contract and worsen discomfort.

Step 4: Chew Sugar-Free Gum

Chewing gum stimulates saliva production, which helps neutralize acid and improves swallowing frequency. This can aid in clearing acid from the esophagus more efficiently. Choose gum that’s:

  • Sugar-free (to avoid additional digestive burden)

  • Peppermint-free (as peppermint can relax the LES and worsen reflux in some people)

Step 5: Take a Fast-Acting Antacid

If symptoms persist after 10–15 minutes, consider using an over-the-counter antacid. Suitable options include:

  • Tums (calcium carbonate) : Acts quickly to neutralize acid

  • Mylanta or Gaviscon : Offers coating and acid-buffering effects

These products typically begin working within minutes and can provide significant short-term relief.

Key takeaways

Monster Energy drinks can be effective for a productivity boost, but they also pose a risk for digestive discomfort, especially acid reflux. By understanding the triggers and following a clear step-by-step response, you can minimize symptoms and avoid long-term irritation.

Stop drinking Monster Energy as soon as acid reflux symptoms begin.

Stay upright for at least 2–3 hours to prevent acid from rising.

Sip room-temperature water to dilute and wash down stomach acid.

Chew sugar-free gum to increase saliva and neutralize acid.

Use a fast-acting antacid if discomfort persists beyond 10–15 minutes.

Ready for personalized relief for acid reflux? Complete Claisen's gut health quiz to uncover additional triggers and build a comprehensive acid reflux management strategy.

Adam Ho

Medical Student & Health Content Creator for Claisen.

This article and its contents have been medically reviewed by Aditya Jain (MD at Harvard Medical School and Op-Ed Fellow at Doximity).

How long does acid reflux last after drinking Monster Energy?

Reflux symptoms caused by energy drinks typically subside within 30 minutes to 2 hours, depending on the individual's sensitivity, what else was consumed, and how the episode is managed. If symptoms persist longer, it may indicate an underlying digestive issue that requires medical attention.

Is sugar-free Monster less likely to cause reflux?

Sugar-free versions may reduce bloating and gas in some individuals, especially those sensitive to high sugar intake. However, they still contain caffeine, carbonation, and acidic components that can trigger reflux. The effect varies by individual.

Can I prevent acid reflux by eating before drinking Monster?

Yes, consuming a light, balanced meal before drinking Monster Energy can help buffer stomach acid and reduce irritation. Avoid spicy, greasy, or overly acidic foods, as these may counteract the benefit.

Are there safer alternatives to Monster Energy for people prone to heartburn?

Lower-acid or non-carbonated beverages such as cold brew coffee (low-acid) or natural green tea may provide a gentler energy boost. Always monitor how your body responds, and consult your healthcare provider for personalized advice.