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Home » Ingredients » Fish

Is Tuna Acidic?

shirinMedically Reviewed by Shirin Buta · Written by Rizza Joyce Mira, MD · Updated on April 18, 2024

Tuna is low in calories but highly nutritious, containing plenty of protein and healthy fats. It's also versatile in the kitchen and can be found in everything from cold dishes to delicious seared tuna steak.

is tuna acidic

However, people suffering from acid reflux or GERD often follow a low-acid diet to avoid triggering unpleasant symptoms like heartburn. These people must know the acidity of common foods and how each affects their digestive system so they can design a diet that's less likely to trigger their symptoms.

How well does tuna fit into such a diet?

Both fresh and canned tuna are only slightly acidic, so they're safe for most on a low-acid diet.

Tuna is loaded with nutrients, proteins, and healthy fats, so it's a fantastic addition to any diet.

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

Table of Contents
  • What Is the pH of Tuna?
  • Is Tuna Bad for Acid Reflux?
  • Is Tuna Healthy?
  • Is Canned Tuna Bad for Acid Reflux?
  • Conclusion

What Is the pH of Tuna?

Fresh, cooked tuna has a pH of around 5.2 to 6.1, while canned is about 5.9 to 6.2.

  • Is Fish Acidic?

Is Tuna Bad for Acid Reflux?

ph level of tuna

As it's only slightly acidic, tuna is safe for most sufferers of acid reflux or GERD.

It also contains healthy fats and fatty acids that benefit your stomach, further protecting you from heartburn.

  • Is Sushi Acidic?

Is Tuna Healthy?

Tuna is rich in omega-3 fatty acids, which support a healthy heart, lungs, blood vessels, and immune system. Omega-3 acids are the building blocks of your cells, and they help control energy levels.

The fats and protein in canned and fresh tuna have also been shown to aid weight loss.

Moreover, tuna is low in calories but contains a lot of protein, which helps build lean muscle mass and aids recovery after a workout. It also builds cells and keeps your energy levels high.

  • Are Soybeans Acidic?

Tuna canned in oil is as good for you as that canned in water, but it contains more calories.

  • Is Salmon Acidic?

Although still healthy, canned tuna is high in sodium, which can increase blood pressure and your risk of heart attack or stroke.

  • 20+ Most & Least Acidic Juices

Tuna and other seafood may contain too much mercury, which can negatively impact your health.

Is Canned Tuna Bad for Acid Reflux?

sandwich with tasty canned tuna
Is canned tuna bad for acid reflux?

Canned tuna is generally safe for those on a low-acid diet; however, its high sodium content may increase gastric acid production in some, increasing their risk of heartburn.

Moreover, canned tuna with oil slows digestion, leading to heartburn.

  • The Most Common Myths About Acid Reflux

Conclusion

Tuna is loaded with omega-3 fatty acids and many other nutrients. It's also inexpensive, versatile in the kitchen, and only slightly acidic, so it's an excellent addition to a healthy diet.

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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shirin

Shirin is a registered Medical Laboratory Scientist who teaches Immunology and Serology subjects. In her free time, she writes health-related articles to help advocate the prevention of lifestyle and infectious diseases. When not teaching or writing, she loves to try new food and attempts to recreate them at home.

More about us →

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