French fries are a beloved fast food side dish—but they’re also one of the saltiest items on the menu. While a small sprinkle of salt can enhance flavor, many fast food fries are loaded with sodium, often exceeding recommended limits in just one serving. Consuming too much sodium can raise blood pressure, strain the heart, and increase the risk of chronic conditions like stroke or kidney disease. Here’s a closer look at the fast food French fries that contain the most sodium—and why they’re worth limiting if you’re watching your salt intake.
Five Guys: Regular Fries
Five Guys may serve their fries in generous, greasy portions, but they’re also one of the worst offenders when it comes to sodium. A regular order contains roughly 962 milligrams of sodium—nearly half of the daily recommended limit of 2,300 milligrams.
The fries are cooked in peanut oil, giving them a crisp texture and rich flavor, but the heavy salting after frying pushes the sodium content sky-high. Many customers also eat more than one serving, especially when sharing the oversized order.
Checkers/Rally’s: Famous Seasoned Fries
Checkers and Rally’s are known for their crispy, heavily seasoned fries, and it shows on the nutrition label. A large order clocks in at around 1,020 milligrams of sodium, making them one of the saltiest fry options in the fast food world.
The unique blend of spices adds flavor, but also contributes to the high sodium content. For those with high blood pressure or heart issues, these fries should be a rare indulgence.
Arby’s: Curly Fries
Arby’s signature Curly Fries are a favorite for their spice and crunch—but they come with a heavy dose of salt. A large serving contains about 1,200 milligrams of sodium, which is more than half of what an average adult should consume in an entire day.
The curly fries are seasoned and pre-fried, meaning sodium is baked in before they even hit the fryer. Combined with other menu items, a full Arby’s meal can quickly surpass the daily sodium limit.
McDonald’s: Large Fries
While McDonald’s fries may not have the highest sodium count per serving, they’re still significant. A large order contains approximately 400 milligrams of sodium, but it’s important to note that many people consume them alongside burgers and sodas, which increases the overall sodium load of the meal.
Additionally, McDonald’s fries are thin-cut, so it’s easy to eat a large portion without realizing how much sodium you’re taking in.
Wendy’s: Large Fries
Wendy’s Natural-Cut Fries with sea salt may sound healthier, but don’t be fooled—the large size has around 620 milligrams of sodium. The use of sea salt doesn’t reduce the total sodium content; it’s just a marketing spin.
These fries are thicker and heartier than others, which can make them more filling, but they still contribute significantly to your daily sodium intake.
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