Watercress, Also Known as Nasturtium Officinale, Is an Aquatic Plant. It Belongs to the Mustard (Brassicaceae) Family, Which Also Includes Leafy and Cruciferous Vegetables Such as Collard Greens, Cauliflower, Broccoli and Brussels Sprouts. It’s Recognizable by Its Small, Glossy, Rounded Green Leaves Attached to Hollow, Pale Green Stems. Watercress Boasts a Peppery Flavor and Fresh Leafy Scent, Similar to That of Arugula.

What Makes Watercress So Healthy

“Watercress Boasts Numerous Health Benefits, Making It a Valuable Addition to Your Diet, ” Says Dr. Ruder. “It’s Is Packed with a Multitude of Vitamins, Minerals, and Antioxidants and Is Particularly High in Vitamins K, C and A, Calcium, Potassium and Magnesium. ”

5 Health Benefits of Watercress

So Just What Can This Humble Veggie Do for You? Here, We Dive into the Top Health Benefits of Watercress.

1. It Keeps You Feeling Fuller Longer

One Cup of Chopped Watercress Clocks in at Less Than 4 Calories, Plus the Veggie Is Fat-Free. That Makes It a Smart Pick for Filling up Without Derailing Your Healthy Eating Habits.

2. It Safeguards Your Sight

Watercress Contains Lutein and Zeaxanthin, Two Key Nutrients That Are Essential for Eye Health. Lutein and Zeaxanthin Are Antioxidants That Protect the Retina, the Light Sensitive Layer of Tissue at the Back of the Eye. How? They Filter out Damaging Blue Light and Ward off Free Radical Damage in the Eye. What’s More, a Study in Nutrients Suggests the Duo Is Linked with a Reduced Risk of Vision-Robbing Age-Related Macular Degeneration (Amd) and Cataracts. (Click Through to Learn the Early Warning Signs of Macular Degeneration — Plus How to Keep Your Vision Sharp.)

3. It Strengthens Your Bones

Watercress Is Rich in Vitamin K, Which Is Crucial for Bone Health, Says Jill Carnahan, Md, a Functional Medicine and Family Physician in Louisville, Co, and Author of Unexpected: Finding Resilience Through Functional Medicine, Science, and Faith. “Vitamin K, Along with Vitamin D, Work Together Along with Other Nutrients to Maintain Bone Health, ” She Explains. “If You Don’t Have Enough Vitamin K, You’re More Prone to Osteoporosis. ”

4. It Protects Your Heart

Adding Watercress to Your Diet Can Do Your Heart Good. Research in the Journal of the American Heart Association Shows Eating Cruciferous Vegetables on a Regular Basis Protects Against Plaque Build-up in the Arteries, Thanks to the Veggies’ Phytochemicals.

5. It Helps Prevent Cancer

“Watercress, Like Other Cruciferous Vegetables, Is Rich in Glucosinolates, Which Are Activated into Isothiocyanates, Compounds That Have Been Shown to Prevent Colon, Lung, Prostate, Breast, and Skin Cancers, ” Says Dr. Ruder.

How to Get the Health Benefits of Watercress

Whether You Enjoy It Raw or Cooked, Watercress Is Easily Incorporated into Meals for a Flavorful, Nutrient-Dense Kick.

Rainbow Superfood Salad

Getting the Health Benefits of Watercress Is Easy, Thanks to This Colorful (And Flavorful!) Salad Recipe from Dr. Ruder.

Health Benefits of Watercress: Weight Loss, Sharper Sight + More

By Sophia Al-Mansoor

• Oct 8, 2026 • 8 min read

Health Benefits of Watercress: Weight Loss, Sharper Sight + More

Direct Answer • Key Takeaway

Watercress Is More Than a Pretty Garnish. This Often-Overlooked Cruciferous Vegetable Is Not Only Low in Calories, but Also Chockful of Vital Nutrients That Support Cardiovascular, Bone and Eye Health. It May Even Help Protect Against Certain Types of Cancer. Here, Experts Give the Lowdown on This Leafy Green, How to Eat It, and Five Powerful Health Benefits of Watercress You’ll Want to Know About.

Sophia Al-Mansoor

Global Business & E-Commerce Reporter

Sophia analyzes international trade, startup ecosystems, retail transformation, and supply chain logistics for modern digital publications.

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