Walnuts - Health Benefits
Discover the nutritional value, health benefits, daily benefits and possible side effects of this nutrient-rich nut.
Explore BenefitsIntroduction
Did you know that walnuts, with their brain-like shape, are often called “brain food” in Ayurveda? But there’s more to these nuts than meets the eye. Ayurveda—a traditional Indian system of natural health—values walnuts for a wide range of benefits, from supporting mental clarity to enhancing digestion and strengthening immunity.
Nutritional Value of Walnuts
One serving of walnuts is about 1 ounce, which is around seven whole nuts. This small amount contains:
Mostly polyunsaturated and omega-3 fats
This serving provides small amounts of calcium, iron, and potassium, along with 10% of your daily magnesium and 7% of your daily folate. It also contains zinc, copper, selenium, and vitamin C.
Walnut oil is also highly nutritious. It contains vitamins E and K, phosphorus, and selenium. Selenium is an antioxidant that protects your cells from damage and helps your thyroid gland work properly.
Health Benefits
Walnuts contain a healthy fat called omega-3, which can lower your risk of heart disease by 10%. Eating them regularly lowers bad cholesterol and other fats in your blood. This keeps your blood vessels clean and reduces the risk of heart attacks and strokes.
The antioxidants in walnuts and walnut oil help lower blood sugar. They also reduce swelling in the body, making it easier for your body to process sugar correctly.
Even though walnuts have a lot of calories, they are full of fiber. This helps you feel full longer, which can prevent overeating and help you maintain a healthy weight.
Walnuts help grow good bacteria in your stomach. Having healthy gut bacteria is linked to better moods and a lower risk of colon cancer.
Nutrients in walnuts protect your brain, improve your memory, and may help prevent brain diseases like Alzheimer's.
Eating walnuts or applying walnut oil to your skin can help heal wounds faster and treat issues like acne, eczema, and psoriasis. Its antioxidants also help slow down skin aging.
Early research suggests that the nutrients and antioxidants in walnuts may slow down the growth of cancer cells, though scientists are still studying this to be sure.
Why Eating Walnuts Daily is Beneficial
Many people avoid walnuts today because they worry about calories and fat. However, walnuts are packed with nutrients that support heart health, metabolism, and overall well-being.
Here are 13 reasons to consider adding walnuts to a balanced diet:
Walnuts contain fiber, protein, and healthy fats that help you feel full. Research suggests that including them in a balanced diet is not linked to weight gain.
Walnuts contain melatonin, a natural compound that helps regulate the body's sleep-dark cycle.
They contain biotin (Vitamin B7), which supports hair strength and growth.
Walnuts are high in antioxidants and omega-3 fatty acids. These nutrients help manage cholesterol levels and support a healthy heart.
Some studies indicate that regular nut consumption is associated with a lower risk of developing type 2 diabetes.
Research shows that eating walnuts can support sperm quality and viability in healthy young men.
The B vitamins and antioxidants in walnuts help protect the skin from environmental damage.
Nutrients like vitamin E and flavonoids in walnuts help protect memory and learning skills.
Regular consumption of nuts, including walnuts, is associated with a reduced risk of certain conditions, including some types of cancer.
Studies have found that people who regularly eat nuts tend to have a lower risk of mortality from heart disease.
The fatty acids in walnuts may help support the development of a baby's immune system during pregnancy.
The nutrients in walnuts can help maintain healthy blood pressure levels during stressful situations.
Walnuts provide a combination of healthy fats, protein, fiber, vitamins, minerals and antioxidants that can contribute to a balanced diet.
Possible Side Effects of Walnuts
While walnuts are very healthy, you should avoid or limit them in certain situations:
Do not eat walnuts if you have a tree nut allergy. Allergic reactions can range from an itchy mouth to severe, life-threatening emergencies.
Walnuts are high in fat and calories. Just one handful can equal about 10% of your daily calorie needs, so eat them in moderation if you are watching your weight.
Walnuts can interfere with how your body absorbs certain thyroid medicines. Check with your doctor before adding walnuts or walnut oil to your meals.
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