Before diving into solutions, you should understand what's happening when we say acid reflux:
Carbonation builds pressure and bloats your stomach.
Citric acid and preservatives mess with your gut and spike acid levels.
Caffeine relaxes loosens your lower esophageal sphincter (the valve to your throat), letting acid creep up.
Did You Know? Most zero-calorie energy drinks trigger acid reflux more than regular ones. They have more acidity from preservatives and artificial sweeteners.Â
 Beverages with a pH below 4, like energy drinks, increase acid exposure in the esophagus by up to 60%, significantly raising the risk of heartburn and acid reflux symptoms.
Source: American Journal of Gastroenterology
Step-by-Step Fix: How to Stop Acid Reflux after Celsius
1. Don't Drink Celsius on an Empty Stomach
Food helps soak up excess acid.
Drink Celsius with or after a meal, especially one with healthy fats and complex carbs.
Best Meals: Pair Celsius with eggs + avocado toast, a smoothie with oats, or even a banana + peanut butter to dodge the acid reflux.
2. Go for a 10-Minute Walk
Any activity helps your stomach empty.
Avoid lying down or slouching, as both can make acid reflux after Celsius worse.
Ditch your inner slouch, skip the bed. Walk it off instead!
Walking vs. Sitting: Staying upright and moving helps gravity keep acid in your stomach by keeping pressure low. This will reduce the chances of acid reflux after Celsius.
3. Drink Water after Drinking Celsius
But let's be clear: don't chug water right after your drink.
Small, gradual sips. These help flush your system and will significantly reduce acid reflux after Celsius.
Drink Celsius with or after a meal, especially one with healthy fats and complex carbs.
Hydration Hack: Coconut water or ginger tea can help soothe the stomach more than normal water, which will reduce inflammation and the severity of your pain.
4. Avoid Tight Waistbands
This one is often overlooked. Tight clothing increases stomach pressure.Â
Wear looser clothes if you're prone to acid reflux after Celsius.
Swap tight jeans for stretchy fabric: High-waisted leggings and loose-fitting pants will prevent acid from burning your throat, as they reduce pressure on your stomach. Â
Avoid belts post-meal: Even though they look great, belts act like a vice on your midsection. Your gut will thank you for taking the belt off after a Celsius.
Switch to low-acid sparkling water
If Celsius triggers your acid reflux, try Olipop, Poppi, or even carbonated water with fruit.
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Train your LES to stay closed
A weak lower esophageal sphincter (LES) leads to acid reflux. This happens when the LES can't hold itself shut. To make it stronger, do breathing exercises and improve your posture.
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Track your triggers
For some people, citrus is a non-issue. For others, one sip of sparkling water causes burn. Start a journal on your phone, and you'll find the pattern that causes your acid reflux.
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Don't daily Celsius
Celsius two times a week max is safer long-term for your gut lining and overall health.
Pro Tip: Treat Celsius like pre-workout. You wouldn't take it just for fun. Same goes here—use it with intention, not addiction.
Frequently Asked Questions
Can Celsius drinks cause stomach issues outside of acid reflux?
Yes, 100%. It’s not just the acid reflux. The combo of high caffeine, carbonation, and fake sweeteners can mess with your gut rhythm — think bloating, gas, or even that jittery-stomach nausea. Some people’s insides just don’t vibe with it.
Does Celsius have a lot of acid?
Yes. The sparkling ones have citric acid and carbonation, which drop the pH and can irritate your stomach or throat, causing the acid reflux.
Why do I feel bad after drinking a Celsius?
Your body might just be overwhelmed. The caffeine hits hard, the acid stirs up your gut, and if you’re low on food or sleep, it all adds up to that weird shaky, queasy feeling.
How to calm down after drinking a Celsius?
Drink water, eat something solid, and go for a walk. Staying upright helps a lot. Deep breaths too. Just give your body space to chill out to naturally stop the acid reflux.
How can I flush caffeine out of my system fast?
You can’t flush it instantly, but drinking lots of water, eating whole foods, and moving around helps. The key is staying calm and letting time do the heavy lifting.
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