Watercress Tops CDC Rankings as Powerful Anti-Aging and Cancer Fighter

Watercress, a modest $2 aquatic leafy green, is emerging as a powerful contender in the battle against aging and cancer. While kale, spinach, and arugula often dominate headlines, nutrition experts insist this mustard-family vegetable deserves immediate attention. It commands a perfect 100 out of 100 in a comprehensive ranking of 47 fruits and vegetables by the Centers for Disease Control and Prevention, a distinction it earns through exceptional nutrient density.

Kristen Smith, a registered dietitian at Piedmont Healthcare in Atlanta and spokesperson for the Academy of Nutrition and Dietetics, confirms that watercress packs a nutritional punch. "Watercress is rich in vitamins A, C, and K, plus has key minerals and antioxidants," she stated. Beyond these essentials, the vegetable delivers lutein and beta-carotene to safeguard eye health. A pivotal 2025 study published in Food Science and Nutrition further validates its potential, revealing that consumers who eat watercress experience reduced inflammation and enhanced protection against cell damage.

The advantages of watercress extend far beyond its vitamin profile. Its high nutrient density allows for maximum health benefits with minimal caloric cost. Smith explains that the vegetable helps keep meals light by offering substantial volume and texture for very few calories. "Its high-water content and leafy structure add bulk to dishes, making meals feel more substantial and satisfying without greatly increasing their calorie content," Smith noted. This low-calorie profile is critical; watercress contains less than 4 calories per cup and remains low in carbs, protein, and sugar, according to Sheri Gaw, a cardiac and pulmonary wellness dietitian with El Camino Health in Mountain View, California. Gaw adds that its water-heavy composition creates a sense of fullness with virtually no caloric penalty.

These nutrients work in concert to combat specific health threats. Vitamin A bolsters immune function, tissue repair, and skin integrity while acting as an antioxidant. Vitamin C, another antioxidant, drives collagen production for skin, blood vessels, and bones, while simultaneously supporting immunity. Vitamin K plays a vital role in maintaining bone and heart health. Meanwhile, the vegetable's dense antioxidant load may actively shield the body from heart disease and certain cancers.

Flavor-wise, watercress offers a peppery bite reminiscent of arugula but with a slightly milder, more versatile profile. Julie Stefanski, a registered dietitian in Baltimore and Academy spokesperson, describes the small leaves as having a "spicy kick" that pairs perfectly with neutral lettuces like romaine or butterhead in salads. This flexibility allows the ingredient to elevate everything from simple everyday meals to complex culinary creations.

Affordability remains a significant factor. Fresh bunches typically run between $2 and $3, significantly undercutting prepackaged options that can cost $4 to $5. Dietitians recommend incorporating watercress into salads, sandwiches, and smoothies to inject freshness into daily routines. For a creative twist on summer dips, Stefanski suggests blending blanched spinach and watercress with plain Greek yogurt, mayo, or sour cream. To prepare, blanch one cup of raw spinach and half a cup of watercress in boiling water for one to three minutes, then puree the greens to mix into your preferred dip base.

To craft a bold or mild dip, she suggests adding garlic, dill, celery salt, pepper, or dried onion.

Watercress also serves as a fun pizza topping. Add small bundles of washed leaves once the pizza finishes baking.

You can locate watercress near lettuce and herbs in most major grocery stores.

"The flavor of watercress can pair well with the familiar taste of mozzarella cheese and tomatoes," Stefanski told Daily Mail. "An added bonus is that its small leaves aren't hard to fit onto a piece of pizza."

The Bottom Line Shoppers will find watercress near lettuce and herbs in most major grocery stores. Plus, summertime is an excellent time to find fresh watercress at your local farmer's market.

"Just like any lettuce, it's smart to store it unwashed in the refrigerator and wash right before serving to keep the leaves crisp and fresh," Stefanski said.

If you forget about it in the vegetable drawer, you can regain a little bit of crispness. Submerge it in cold water in your refrigerator for a few hours before adding it to your dish.