Arugula is not a high-fiber food. With about 1.6 grams of fiber per 100 grams, it contributes a modest amount to your daily intake but falls well short of being a fiber powerhouse. A typical 2-cup serving of raw arugula provides roughly 0.8 grams of fiber, which is a small fraction of the 25 to 34 grams most adults need each day.
That said, arugula still plays a useful role in a fiber-rich diet. It’s the kind of vegetable you add volume with, not the one you rely on for fiber alone.
How Much Fiber Arugula Actually Contains
A half-cup serving of arugula (about 10 grams of greens) has just 0.2 grams of fiber. Since most people use arugula more generously than that, a realistic 2-cup serving bumps the number to around 0.8 grams. That’s enough to contribute to your daily total, but it won’t move the needle on its own.
For context, the Dietary Guidelines for Americans recommend 14 grams of fiber for every 1,000 calories you eat. For most adult women, the daily target falls between 22 and 28 grams depending on age. For most adult men, it’s between 31 and 34 grams. A 2-cup serving of arugula covers roughly 2 to 3 percent of those targets.
How Arugula Compares to Other Greens
Among salad greens, arugula lands in the middle of the pack. Kale comes in higher at about 2 grams of fiber per 100 grams, compared to arugula’s 1.6 grams. That difference is small in absolute terms, but kale is also denser, so a cup of chopped kale weighs more and delivers more fiber than a cup of fluffy arugula leaves.
The real gap between arugula and higher-fiber vegetables becomes clear when you look beyond salad greens. Broccoli, Brussels sprouts, and artichokes all pack several grams of fiber per serving. If your goal is to increase fiber intake specifically, cooked vegetables and legumes will get you there much faster than any raw salad green.
What Arugula’s Fiber Does for Your Gut
Even in small amounts, the fiber in arugula feeds your gut microbiome, the community of bacteria and other organisms living in your digestive tract. These microbes break down fiber as fuel, and in return they help keep digestion running smoothly. A well-fed microbiome also supports your immune system and may influence mental health, according to registered dietitians at the Cleveland Clinic.
Arugula also has a high water content, which works alongside its fiber to support regularity. You won’t get a therapeutic dose of fiber from arugula alone, but when it’s part of a meal that includes whole grains, beans, or other vegetables, it adds to the overall fiber load in a meaningful way.
Getting More From Your Arugula
The easiest way to boost the fiber in an arugula-based meal is to treat it as a base rather than the whole dish. Toss it with chickpeas, roasted sweet potatoes, or quinoa and you’ve built a salad with 8 to 12 grams of fiber. Add some avocado slices and you pick up another 3 to 4 grams. The arugula provides peppery flavor, a handful of vitamins (particularly vitamin K and folate), and protective plant compounds, while the heavier ingredients do the fiber heavy lifting.
Arugula also works well wilted into pasta, stirred into soups, or layered on grain bowls. Heat reduces its volume, so you naturally end up eating more of it in cooked dishes than in raw salads. More leaves means slightly more fiber, plus you get the benefit of all the other nutrients packed into those greens.