12 Incredible Health Benefits of Mustard Greens

Discover why mustard greens deserve a prime spot in your diet with these science-backed health benefits and expert tips.

Written by Medha Deb, Integrated MA
Last Updated on

 

Mustard greens, known scientifically as Brassica juncea, are a leafy green vegetable cultivated and enjoyed worldwide for their peppery taste and robust nutrient profile. Deeply rooted in Asian and Southern cuisines, these greens are a nutritional powerhouse packed with vitamins, minerals, antioxidants, and plant compounds that support optimal health. Whether you’re a health enthusiast or simply curious about how to add more greens to your plate, crave the vibrant flavors and explore the powerful benefits of mustard greens.

Table of Contents

Nutrition Profile of Mustard Greens

Mustard greens are a highly nutrient-dense vegetable, offering a concentrated source of key vitamins and minerals with remarkably low calories. Below are the nutritional highlights per 1-cup (approximately 56 grams) serving of chopped, raw mustard greens:

NutrientAmount per Cup (raw)% Daily Value*
Calories15
Protein1.5 g
Fat0.2 g
Carbohydrates2.6 g
Fiber1.8 g7%
Vitamin A118 mcg13%
Vitamin C39 mg43%
Vitamin K144 mcg120%
Folate26 mcg7%
Calcium57 mg4%
Iron0.9 mg5%
Potassium215 mg6%
Magnesium15 mg4%

*Percent daily values are based on a 2,000-calorie diet.

Mustard greens are particularly rich in vitamins K, C, and A, and offer beneficial amounts of calcium, potassium, folate, fiber, and a wide range of antioxidants and plant-based compounds such as glucosinolates.

Top 12 Health Benefits of Mustard Greens

1. Packed with Disease-Fighting Antioxidants

Mustard greens are loaded with potent antioxidants, such as vitamin C, beta-carotene, lutein, violaxanthin, neoxanthin, and various polyphenolic compounds. These antioxidants help neutralize harmful free radicals and protect cellular health, reducing the risk of chronic diseases and slowing the aging process.
Red varieties are especially high in anthocyanins, pigments linked to a decreased risk of heart disease and certain cancers.

  • Protects cells from oxidative stress
  • May lower the risk of cancer, heart disease, and neurodegenerative disorders

2. Excellent Source of Vitamin K

Just 1 cup of raw mustard greens provides over 100% of your daily value for vitamin K, and a cup of cooked greens can deliver up to 690% of your needs! Vitamin K is essential for blood clotting, bone strengthening, and heart protection. Research also links adequate vitamin K intake to improved cognitive health and reduced risk of osteoporosis.

  • Supports healthy blood coagulation
  • Helps prevent bone fractures and maintain strong bones
  • May contribute to heart and brain health

3. Immune-Boosting Nutrients

Mustard greens are rich in vitamin C, vitamin A, and phytonutrients which strengthen the immune system. Vitamin C helps maintain tissue health, supports white blood cell production, and improves resistance against pathogens. Vitamin A is also crucial for immune function, enhancing the body’s defense mechanisms.

  • Contains over a third of your daily vitamin C needs per cup
  • Strengthens immune defenses against colds and infections
  • Promotes healthy skin and mucous membranes

4. Supports Heart Health

Mustard greens help lower cholesterol by binding bile acids and assisting in their excretion, which encourages the liver to draw cholesterol from the blood to make more bile acids.
In addition, the greens’ fiber, vitamin C, beta-carotene, and powerful plant antioxidants help reduce inflammation and oxidative stress, supporting overall cardiovascular health.

  • May help reduce LDL (“bad”) cholesterol levels
  • Rich in heart-healthy fiber, folate, and potassium
  • Supports healthy blood vessels and circulation

5. Promotes Eye and Skin Health

Mustard greens provide high levels of vitamin A (as beta-carotene and lutein) and vitamin C, which together support eye health, maintain vision, and keep skin youthful. These nutrients protect eyes from age-related degeneration, help maintain moisture, and defend against potential skin issues.

  • Supports healthy eyesight and may reduce risk of cataracts
  • Fights acne and promotes clear, vibrant skin
  • Helps reduce the signs of aging through collagen production

6. May Lower Cancer Risk

Being a member of the cruciferous vegetable family, mustard greens contain glucosinolates — natural plant compounds shown to help activate detoxifying enzymes, protect cells, and inhibit the growth of cancerous cells.
Regular consumption of mustard greens is linked to reduced risks of cancers such as colon, stomach, prostate, oral, and nasal cancers.

  • Contains isothiocyanates, which may suppress tumor development
  • Helps the body eliminate carcinogens

7. Helps Detoxify the Body

The high levels of fiber, antioxidants, and glucosinolates present in mustard greens aid in detoxifying your body. These compounds help neutralize and eliminate toxins, support liver function, and promote a healthy digestive tract.

  • Promotes natural liver detoxification
  • Improves digestion and bowel regularity

8. Anti-Inflammatory Properties

The antioxidants and omega-3 fatty acids in mustard greens act as natural anti-inflammatories. Regular consumption can help reduce systemic inflammation, which is associated with many chronic conditions such as arthritis, asthma, and heart disease.

  • May help reduce joint pain and stiffness
  • Could offer relief for inflammatory conditions

9. Supports Bone Health

Apart from vitamin K, mustard greens also contain calcium, vitamin C, and magnesium—essential nutrients for maintaining healthy bones. Consuming mustard greens regularly may help prevent osteoporosis and improve bone mineral density, especially in older adults and postmenopausal women.

  • Helps maintain bone strength and integrity
  • Reduces risk of bone fractures

10. Improves Digestion

High dietary fiber content in mustard greens promotes healthy digestion, regular bowel movements, and growth of beneficial gut bacteria. Their unique fiber helps draw out toxins and excess cholesterol, while easing constipation and supporting a healthy gut environment.

  • Improves bowel regularity
  • Promotes gut microbiome balance

11. Supports Brain and Mental Health

Leafy greens like mustard greens have proven benefits for cognitive function thanks to their high folate, vitamin K, and antioxidant content. Studies show that those who eat more leafy greens may experience slower cognitive decline as they age.
Mustard greens also contain small amounts of vitamin B6 and omega-3 fats, contributing further to brain health.

  • May help decrease risk of dementia
  • Supports healthy brain development and function

12. Good for Pregnancy and Urinary Health

Mustard greens are rich in vitamin K and moderate in folate, both of which are critical for a healthy pregnancy. Vitamin K helps reduce nausea, supports fetal bone growth, and may prevent certain pregnancy-related issues. Their vitamin A content also lowers the risk of urinary stones by reducing calcium phosphate deposits.

  • Helps reduce risk of prenatal complications
  • Promotes fetal development
  • May protect against urinary stones

Potential Side Effects of Mustard Greens

While mustard greens are generally safe for most people, excessive consumption may have some side effects:

  • High in Vitamin K: Those on blood-thinning medication (like warfarin) should monitor their vitamin K intake, as it can interfere with these drugs.
  • Goitrogen Content: Mustard greens (like all cruciferous vegetables) contain goitrogens, which can potentially affect thyroid function when consumed in extremely large amounts, especially in people with existing thyroid conditions.
  • Oxalates: The greens contain oxalates that could exacerbate kidney stone risk in susceptible individuals if eaten in excess.
  • Digestive Issues: Eating mustard greens raw or in very large quantities may cause bloating or gas in sensitive individuals.

How to Add Mustard Greens to Your Diet

There are countless delicious ways to enjoy mustard greens—raw in salads, cooked, blended, or pickled. Here are some easy methods to add them to your routine:

  • Raw: Add young, tender leaves to salads or blend into smoothies.
  • Steamed or Sautéed: Cook briefly with garlic, olive oil, and spices.
  • Soups and Stews: Stir into curries, soups, or traditional Southern dishes.
  • Pickled: Ferment with garlic, chili, and vinegar for a zesty side.
  • Juicing: Blend with apples, cucumbers, or pears for a nutritious drink.

Tip: Cooking mustard greens can slightly reduce their bitterness and mellow their pungent flavor, making them palatable for those new to this green.

Frequently Asked Questions (FAQs)

Q1: Are mustard greens healthier raw or cooked?

Both raw and cooked mustard greens offer significant health benefits. Cooking may decrease certain nutrients (like vitamin C), but it increases the bioavailability of others, such as carotenoids. Steamed mustard greens may also bind bile acids more effectively, supporting cholesterol management.

Q2: Can mustard greens help with weight loss?

Absolutely. These greens are extremely low in calories and high in fiber, which helps keep you full for longer and supports healthy digestion—both important factors in weight management.

Q3: How do I select and store mustard greens?

Select vibrant green, unblemished leaves when shopping. Store unwashed mustard greens in a loose plastic bag in the refrigerator’s crisper drawer for up to a week. Wash thoroughly before use to remove grit and soil.

Q4: Are mustard greens safe for everyone?

Mustard greens are safe for most people when eaten in moderation. Those with kidney stones, thyroid disorders, or people taking blood thinners should consult their healthcare provider, as mustard greens are high in vitamin K, oxalates, and goitrogens.

Q5: What is the difference between mustard greens and collard greens?

While similar in appearance and nutrition, mustard greens have a notably spicier, peppery flavor compared to the milder, slightly earthy taste of collard greens. Both are calcium and vitamin-rich cruciferous vegetables.

Takeaway

Mustard greens are a top-tier superfood, brimming with vitamins K, A, and C, antioxidants, fiber, and beneficial plant compounds. Including them regularly in your diet can contribute to stronger immunity, bone health, heart protection, cancer defense, digestive wellness, and much more. If you haven’t already, make mustard greens a colorful and nutritious addition to your meals today!

Medha Deb
Medha DebCommerce Editor
Medha Deb is a commerce editor with a master's degree in applied linguistics from the University of Hyderabad, which has allowed her to develop a deep understanding of language and its application in various contexts. She specializes in the areas of beauty, health, and wellness and is committed to ensuring that the content on the website is of the highest quality.

Read full bio of Medha Deb
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