In recent months, a lawsuit filed against Subway claims it doesn’t make its tuna sandwich with real tuna. For fans of this sub, this news is discouraging.

Subway claims these claims are false and its tuna is 100% real. Who’s right and what type of tuna does Subway actually use? Here’s what I found while researching this topic!

What type of tuna is the metro using in 2024?

Subway gets 100% of its tuna from wild-caught skipjack tuna, which comes from the coasts of Indonesia, Thailand and the Philippines as of 2024. People consider skipjack tuna a type of tuna sustainable. While a recent lawsuit claims Subway’s tuna isn’t real, Subway stands by its claim that its tuna is responsibly sourced and real tuna.

If you have more questions about Subway’s tuna and the details of the lawsuit claiming it to be fake, keep reading!

Is Subway tuna real?

While the aforementioned lawsuit found that Subway’s tuna failed a DNA test, other sources, including USA Today, have pointed out that the cooked tuna would have altered DNA.

As is the case with cooked tuna, the so-called evidence of a DNA test proves nothing. That said, Subway continues to confirm that its tuna is in fact real tuna meat.

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Based on the available evidence, there appears to be no legitimate reason to believe that Subway’s tuna is fake in any way.

Additionally, Subway’s wild tuna undergoes extensive testing once it arrives at the supplier’s factory to confirm that it is authentic.

What tests does Subway tuna undergo?

Once fishing vessels bring the wild tuna to a shipping facility, it undergoes rigorous testing to ensure its quality.

Additionally, the FDA has rules that govern how tuna is handled and the Seafood Import Monitoring Program (SIMP), which monitors where the fish comes from and where it goes.

Additionally, Subway must pass several certifications to prove that its products, including its tuna, are of good quality. That said, these certifications include the following:

  • The fishing certificate of origin
  • The captain’s statement
  • The catch certificate

All of these regulations are put in place to keep the seafood supply up to par. With this, Subway must comply with these and other rules to continue selling seafood products such as tuna.

Where does Subway buy its tuna from?

Where does Subway buy its tuna from?

In the United States, the two main sources of Subway tuna are Rema Foods and Jana Brands.

These brands started as small one-person or family-owned businesses and have been trusted partners of Subway for decades.

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Additionally, Rema Foods and Jana Brands have both released very strong statements denying claims that Subway’s tuna is not real tuna.

Thus, the fact that these two brands are united with Subway indicates the loyalty of the commercial relationship.

Recently, Subway made several major changes to its menu to breathe new creativity and life into its image and brand.

However, despite so many updates, the tuna was left alone without any modifications.

Although tuna has come under a lot of scrutiny lately, the decision to leave it on the menu and do nothing to change the basic tuna sub formula is interesting.

How is Subway tuna prepared for subs?

When tuna arrives at a Subway restaurant, it is packaged in pouches. That said, these tuna pouches are precooked and should be placed in a container and mixed with mayonnaise before serving.

Plus, these bags are large, not like the small bags in a supermarket.

After grabbing a tuna pouch, a Subway employee will then place the contents of the pouch into a bowl or container of some sort. After that they will add mayonnaise.

It’s unclear how much mayonnaise is added, but it should be enough to bind the tuna and create a spreadable consistency.

Finally, this tuna salad mixture is then transferred to the refrigerated unit, where customers can view the ingredients at Subway.

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To learn more, you can also read our articles on whether Subway still has the seafood sub, whether Subway has wraps, and what type of chicken does Subway use.


Subway’s tuna has come under fire recently due to a lawsuit, but it appears that its tuna is indeed authentic and ethically sourced.

That said, tuna is wild skipjack caught off the coasts of Indonesia, Thailand and the Philippines. In the United States, the two main suppliers are Rema Food and Jana Brands.

Additionally, Subway undergoes rigorous testing and regulations as it remains committed to providing quality tuna salad to its customers.

Visit Les Gourmandises for more information.

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