Subway Tuna Nutrition

In the world of fast food, where greasy burgers and calorie-laden fries often take center stage, Subway's tuna sandwich stands out as a seemingly healthier option. With its promise of lean protein and a lighter alternative to the usual suspects, the Subway tuna sandwich has become a popular choice for those seeking a quick, nutritious meal. But how healthy is it really? Let's delve into the nutritional facts and figure out if this submarine sandwich lives up to its healthy reputation.
The Subway Tuna Nutrition Breakdown

To truly understand the nutritional value of Subway’s tuna offering, we need to break it down component by component. The tuna salad itself is a blend of flaked tuna, mayonnaise, and a blend of spices, resulting in a creamy, flavorful filling. Here’s a closer look at the nutritional content of a 6-inch Subway tuna sandwich, as provided by the company’s website:
Nutrient | Amount |
---|---|
Calories | 310 |
Total Fat | 18g |
Saturated Fat | 3g |
Trans Fat | 0g |
Polyunsaturated Fat | 7g |
Monounsaturated Fat | 7g |
Cholesterol | 30mg |
Sodium | 750mg |
Total Carbohydrate | 20g |
Dietary Fiber | 2g |
Sugars | 4g |
Protein | 20g |
Vitamin A | 10% |
Vitamin C | 2% |
Calcium | 20% |
Iron | 10% |

Caloric Breakdown
At 310 calories, the Subway tuna sandwich is relatively low in calories compared to some of the chain’s other offerings. This makes it a good choice for those watching their weight or looking for a lighter meal option. However, it’s important to note that this calorie count can vary depending on the bread and additional toppings chosen.
Fat Content
The 18 grams of total fat in the tuna salad might raise some eyebrows, but it’s important to remember that not all fats are created equal. The breakdown shows a healthy balance of polyunsaturated and monounsaturated fats, which are considered “good” fats and can help lower bad cholesterol levels. The low level of saturated fat and zero trans fat is also a positive.
Sodium Levels
One area where the Subway tuna sandwich might fall short is in its sodium content. With 750mg of sodium, it accounts for over a third of the recommended daily intake of 2,300mg. For those on a low-sodium diet or with high blood pressure concerns, this could be a significant consideration.
Vitamins and Minerals
The sandwich is a good source of several essential vitamins and minerals. It provides a notable amount of calcium, which is important for bone health, and iron, which is crucial for oxygen transport in the body. The vitamin A and C content, while not exceptionally high, contribute to a well-rounded nutritional profile.
The Health Benefits of Tuna

Beyond the nutritional content of the sandwich itself, let’s explore the health benefits of tuna, the star ingredient.
Rich in Omega-3 Fatty Acids
Tuna is renowned for its high content of omega-3 fatty acids, a type of polyunsaturated fat that has been linked to numerous health benefits. These fatty acids can help reduce inflammation, lower blood pressure, and improve heart health. They’re also essential for brain function and development, making tuna a great choice for cognitive health.
Excellent Source of Protein
With 20 grams of protein, the Subway tuna sandwich provides a significant portion of the daily recommended intake. Protein is essential for building and repairing tissues, making hormones and enzymes, and keeping our immune system functioning properly. The high-quality protein in tuna also helps keep you feeling full and satisfied, which can aid in weight management.
Low in Saturated Fat
Tuna is naturally low in saturated fat, which is a key factor in maintaining heart health. A diet high in saturated fat can increase the risk of heart disease and stroke, so opting for lean protein sources like tuna can be a heart-healthy choice.
Comparing Subway’s Tuna to Other Fast Food Options
When considering Subway’s tuna sandwich as a fast food option, it’s beneficial to compare it to other similar choices. Here’s a quick look at how it stacks up against some competitors:
Sandwich | Calories | Fat (g) | Sodium (mg) |
---|---|---|---|
Subway Tuna | 310 | 18 | 750 |
McDonald's Big Mac | 540 | 29 | 1020 |
Burger King Whopper | 660 | 40 | 1000 |
Wendy's Classic Double with Cheese | 750 | 45 | 1250 |
As you can see, Subway's tuna sandwich stands out as a relatively lower-calorie, lower-fat option compared to traditional fast food burgers. While it still contains a significant amount of sodium, it's a step in the right direction for those seeking a healthier fast food option.
Tips for Maximizing the Health Benefits
If you’re a fan of Subway’s tuna sandwich or are considering giving it a try, here are some tips to help you maximize the health benefits and make it an even better choice:
- Choose whole grain bread for added fiber and nutrients.
- Opt for extra vegetables like lettuce, tomatoes, and onions to increase the vitamin and mineral content.
- Ask for less mayonnaise or consider using a lighter mayonnaise to reduce the fat content.
- Consider adding avocado for a boost of healthy fats and extra flavor.
- Pair your sandwich with a side of fruit or a low-fat yogurt for a well-rounded, nutritious meal.
Conclusion: Is Subway’s Tuna Sandwich a Healthy Choice?

When it comes to fast food, Subway’s tuna sandwich is a relatively healthy option. It’s low in calories, a good source of protein and omega-3 fatty acids, and contains a balanced mix of healthy fats. However, the high sodium content is a consideration, especially for those with dietary restrictions or health concerns. Overall, if you’re looking for a quick, nutritious meal, Subway’s tuna sandwich can be a great choice, especially when paired with some of the tips mentioned above to enhance its health benefits.
Is Subway’s tuna sandwich gluten-free?
+No, Subway’s tuna sandwich is not gluten-free as it is typically served on bread that contains gluten. However, Subway does offer gluten-free bread alternatives, so you can still enjoy a tuna sandwich if you have gluten sensitivities or celiac disease.
Can I order a tuna sandwich without mayonnaise?
+Absolutely! You can customize your Subway sandwich to your liking. Simply ask for your tuna sandwich to be made without mayonnaise, and the sandwich artist will prepare it according to your preferences.
Are there any vegetarian options that include tuna?
+Subway does not offer a vegetarian version of their tuna sandwich. However, they do have a variety of vegetarian and vegan options available, such as the Veggie Delite, Avocado Veggie, and Sweet Onion Teriyaki Veggie. These sandwiches can be a great alternative if you’re looking for a meat-free option at Subway.