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Home » Acidic Foods

Is Pineapple Acidic or Alkaline?

aaron l gravelyMedically Reviewed by Aaron Gravely, MD · Written by Rizza Joyce Mira, MD · Updated on June 14, 2023

Pineapple is a very popular, sweet tropical fruit treat. Packed with nutrients, it's a delicious snack on a hot summer's day. It's also very versatile and can be eaten on its own, as part of a salad, juiced, or even as a slightly controversial pizza topping.

is pineapple acidic or alkaline

However, many people suffer from acid reflux, GERD, and associated symptoms like heartburn. These people need to know how acidic common foods are and how each affects their symptoms. Sufferers may need to strictly limit or avoid foods that trigger or worsen their symptoms, and this can be especially difficult with delicious treats like pineapple.

Table of Contents
  • Is Pineapple Acidic or Alkaline?
  • What Is the pH of Pineapple?
  • Is Pineapple Good for You?
  • Can You Eat Pineapple When Suffering Acid Reflux?
  • Is Pineapple Juice Acidic?
  • Is Canned Pineapple Acidic?
  • Conclusion

Is Pineapple Acidic or Alkaline?

Pineapple is acidic and acid-forming, so most people suffering from acid reflux or GERD should limit their intake or avoid it altogether. 

However, pineapple is an excellent addition to your diet if you can tolerate some without triggering your symptoms.

Don't know what to drink? Check out these articles: 20 Most and Least Acidic Juices and 20+ Alcoholic Drinks Ranked by Acidity Level

What Is the pH of Pineapple?

Pineapple has a pH of 3.20-4.00 and is also acid-forming, meaning it's likely to stimulate an overproduction of gastric acid, which can then reflux up your esophagus. 

pineapple ph level

However, small amounts of fresh pineapple may improve acid reflux symptoms in some cases, as it contains bromelain, which may reduce inflammation in your digestive system.

  • Is Rambutan Acidic or Alkaline?

Is Pineapple Good for You?

Most calories in pineapple come from carbohydrates, including fiber. One cup of pineapple chunks contains 2.3 g of fiber, around 9% of the recommended daily intake. Fiber soaks up excess gastric acid, reducing the likelihood of heartburn and other symptoms.

One cup of pineapple also contains more than the recommended daily intake of vitamin C. This supports your immune system and is especially important in the winter. 

Vitamin C is also a powerful antioxidant that reduces inflammation and flushes out free radicals. Antioxidants reduce oxidative stress and cellular damage, potentially reducing your risk of developing diabetes and some cancers. 

pineapple rich in bromelain antioxidants
Is pineapple good for you?
  • Why Does Dairy Give Me Heartburn?

Antioxidants can also reduce chronic inflammation, boost your immune system, and lower disease risk.

The bromelain and antioxidants in pineapple may also help prevent arthritis. 

Eating pineapple may reduce joint inflammation, relieving the pain of inflammatory arthritis. 

The antioxidants and compounds in pineapple may also help treat osteoarthritis. 

Some studies show that drinking pineapple juice improves exercise performance, reduces post-exercise muscle pain and inflammation, and quickens recovery after a workout. 

  • Are Kiwis Acidic or Alkaline?

Can You Eat Pineapple When Suffering Acid Reflux?

Some experts recommend acid reflux and GERD sufferers avoid pineapple. However, not everyone's symptoms or triggers are the same, and some may be able to tolerate more than others.

pineapples sold by fruit vendor
Should you eat pineapple on acid reflux?

If your acid reflux or GERD causes stomach ulcers, you should avoid pineapple altogether.  

  • 10 Once Popular Foods And Drinks No One Is Buying Anymore

Is Pineapple Juice Acidic?

Pineapple juice has a pH of around 3.30-3.60, slightly more acidic than fresh. 

It's also high in sugar, which slows down digestion and increases stomach acid production.

Diluting pineapple juice may make it more tolerable, and using alkaline water reduces its acidity. 

  • Top 15 Alkaline Foods You Should Include In Your Diet

Is Canned Pineapple Acidic?

canned sliced pineapple fruit in can
Is canned pineapple acidic?

Canned pineapple has a pH of 3.35-4.10 and, like pineapple juice, is high in sugar. 

It’s best to avoid canned fruit, especially in heavy syrup, on low-acid diets.

  • Ask an Expert: Alkaline Diet – Best Practices

Conclusion

Pineapple is a delicious treat but acidic and likely to trigger acid reflux symptoms. You may be able to tolerate a little occasionally, but if not, it's better to avoid it altogether.

Don't know what to drink? Check out these articles: 20 Most and Least Acidic Juices and 20+ Alcoholic Drinks Ranked by Acidity Level

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aaron l gravely

Aaron L. Gravely, MD earned his MD from Columbia University College of Physicians & Surgeons and BA in Neurobiology from Harvard College.

Aaron has over 5 years of experience revising medical content and scientific language for usage, flow, and clarity in accordance with the American Medical Writers Association (AMWA) and the American Medical Association (AMA).

More about us →

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