While fast-food sandwiches might seem like a healthier alternative to burgers and fries, don't be fooled. Some of these sandwiches pack more calories, fat, and sodium than you might expect. We've rounded up the 10 unhealthiest fast-food sandwiches across America that you might want to think twice about before ordering.

Jimmy John's J.J. Gargantuan: A Sodium Bomb

Don't let the size fool you. The J.J. Gargantuan from Jimmy John's is overloaded with processed meats and cheese, reaching a shocking 3,930 milligrams of sodium. That's 171% of the daily recommended limit, all in an eight-inch sandwich.

Subway's The Beast: Not So Fresh

Subway's The Beast might come with a sprinkle of veggies, but it's also loaded with high-fat, high-sodium meats and cheese. A single six-inch sub delivers 91% of your daily sodium intake.

Potbelly's Mama's Meatball: Deceptively Unhealthy

It might sound simple with just meatballs, cheese, and sauce, but Potbelly's Mama's Meatball Sub is anything but light, packing nearly 1,000 calories and exceeding the daily value for saturated fat.

Quizno's Classic Italian Sub: Salt Overload

With a mix of processed meats and brined veggies, Quizno's Classic Italian Sub is a sodium nightmare, containing 151% of the daily value in just one medium-sized sub.

Firehouse Subs' Steak and Cheese: Hidden Fats

While not the worst on the list, Firehouse Subs' Steak and Cheese Sub still contains a hefty amount of fat and sodium, making it a less-than-ideal choice for a healthy diet.

Jersey Mike's Buffalo Chicken Cheese Steak: A Sodium Spike

Jersey Mike's Buffalo Chicken Cheese Steak sandwich is a high-sodium disaster, with over 1,000 milligrams more than the recommended daily intake, thanks to the buffalo sauce and dressings.

Arby's Roast Turkey Ranch & Bacon: Not as Healthy as It Sounds

Arby's Roast Turkey Ranch & Bacon Sandwich may sound wholesome, but it's loaded with sodium, saturated fat, and added sugars, making it a poor choice for health-conscious eaters.

Jersey Mike's Club Sub: Calorie Heavyweight

Don't be fooled by the fresh appearance; Jersey Mike's Club Sub is a calorie bomb with 1,110 calories and over 100% of the daily recommended sodium intake.

Jimmy John's Italian Night Club: Salt and Calories Galore

Another entry from Jimmy John's, the Italian Night Club sandwich, is high in sodium and calories, making it a risky choice for anyone monitoring their blood pressure or heart health.

Panera's Toasted Italiano: The Worst of the Bunch

Surprisingly, Panera's Toasted Italiano tops our list with the highest calorie count and nearly 170% of the daily recommended sodium intake, proving that not all menu items at "healthier" restaurants are actually good for you.

Next time you're considering a fast-food sandwich, remember that not all options are created equal. Some of these sandwiches could sabotage your health goals with their high levels of calories, fat, and sodium. Choose wisely, or better yet, opt for making your own healthier sandwich at home.