They source in the Mediterranean an ar and main Asia and also have been part of the person diet for hundreds of years.

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These nuts are rich in omega-3 fats and contain higher amounts of antioxidant than many other foods. Eating walnuts may improve mind health and prevent heart an illness and cancer (1).

Walnuts are most often consumed on their very own as a snack however can likewise be included to salads, pastas, breakfast cereals, soups, and baked goods.

They’re likewise used to make walnut oil — an expensive cook oil frequently used in salad dressings.

There space a few edible walnut species. This short article is around the common walnut — sometimes referred to together the English or Persian walnut — which is grown worldwide.

Another related varieties of commercial attention is the eastern black color walnut (Juglans nigra), which is aboriginal to north America.

Here’s whatever you must know around the typical walnut.

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Nutrition facts
Walnuts are consisted of of 65% fat and about 15% of protein. They’re low in carbohydrate — most of i m sorry consist of fiber.

A 1-ounce (30-gram) serving of walnuts — around 14 halves — offers the following nutrients (2):

Calories: 185Water: 4%Protein: 4.3 gramsCarbs: 3.9 gramsSugar: 0.7 gramsFiber: 1.9 gramsFat: 18.5 grams


Walnuts contain around 65% fat by weight (2).

Like various other nuts, most of the calorie in walnuts come from fat. This renders them an energy-dense, high-calorie food.

However, even though walnuts are rich in fat and also calories, studies suggest that castle don’t boost obesity risk once replacing other foods in your diet (3, 4).

Walnuts are also richer than many other nuts in polyunsaturated fats. The most abundant one is one omega-6 fatty acid dubbed linoleic acid.

They likewise contain a relatively high portion of the healthy omega-3 fat alpha-linolenic acid (ALA). This provides up around 8–14% of the full fat content (2, 5, 6, 7).

In fact, walnuts space the only nuts the contain far-reaching amounts the ALA (8).

ALA is considered especially beneficial for love health. It also helps mitigate inflammation and improve the composition of blood fat (8, 9).

What’s more, ALA is a precursor because that the long-chain omega-3 fatty acids EPA and DHA, which have been connected to countless health benefits (10).


Walnuts room primarily comprised of protein and polyunsaturated fat. They contain a fairly high percentage of omega-3 fat, which has been connected to various health benefits.

Vitamins and minerals

Walnuts are an excellent source of several vitamins and minerals, including:


Walnuts are fantastic source of several vitamins and also minerals. These include copper, folic acid, phosphorus, vitamin B6, manganese, and vitamin E.

Walnuts are attached to a variety of health benefits. They have been linked with a decreased risk that heart condition and cancer, as well as improved mind function.

Heart health

Heart an illness — or cardiovascular disease — is a broad term provided for chronic problems related to the heart and blood vessels.

In plenty of cases, your danger of heart an illness can be diminished with healthy and balanced lifestyle habits, such as eating nuts (30, 31, 32).

Walnuts space no exception. In fact, numerous studies present that eating walnuts might combat risk components for heart an illness by:

These effects are likely brought about by the helpful fat composition of walnuts, and also their rich antioxidant content.

Cancer prevention

Cancer is a group of diseases defined by abnormal cell growth.

Your threat of occurring certain types of cancer can be lessened by eating healthy food, exercising, and also avoiding unhealthy way of life habits.

Since walnuts space a rich resource of useful plant compounds, they might be an effective part of a cancer-preventive diet (41).

Walnuts contain number of bioactive contents that may have anticancer properties, including:

Observational researches have connected the regular intake of nuts come a reduced risk of colon and also prostate cancer (50, 51).

This is supported by pet studies indicating that eating walnuts may suppress cancer development in breast, prostate, colon, and also kidney organization (49, 52, 53, 54).

However, before any solid conclusions have the right to be reached, these effects need come be evidenced by clinical researches in humans.

Brain health

Several studies suggest that eating nuts may improve mind function. They likewise show the walnuts can help with depression and also age-related decline in mind function (55, 56).

A examine in enlarge adults linked regular usage of walnuts with significant memory improvement (57).

Still, these research studies were observational and also cannot prove that walnuts to be the cause of improvements in mind function. Stronger evidence is listed by studies that inspection the result of eat walnuts directly.

One 8-week study in 64 young, healthy adults, found that eating walnuts enhanced comprehension. However, significant improvements in non-verbal reasoning, memory, and also mood were not detected (58).

Walnuts have additionally been displayed to improve brain function in animals. Once mice through Alzheimer’s condition were fed walnuts every day because that 10 months, their memory and learning skills improved considerably (59).

Similarly, studies in enlarge rats uncovered that eating walnuts for eight mainly reversed age-related impairments in mind function (60, 61).

These impacts are likely as result of the high antioxidant contents of walnuts, though your omega-3 fatty acids might play a function as fine (61, 62).


Walnuts are rich in antioxidants and also healthy fats. They may reduce heart disease and cancer risk, and improve brain function and also possibly sluggish the progression of alzheimer disease.

In general, walnuts are considered really healthy, but some people need to prevent them due to allergies.

Walnut allergy

Walnuts are amongst the eight most allergenic foods items (63).

Symptoms of a walnut allergy are typically severe and also can incorporate allergic shock (anaphylaxis), which deserve to be fatal there is no treatment.

Individuals through a walnut allergy have to avoid these nuts completely.

Reduced mineral absorption

Like every seeds, walnuts space high in phytic acid (64).

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Phytic acid, or phytate, is a plant substance the impairs the absorb of minerals — such together iron and zinc — from her digestive tract. This only applies to meals that contain high-phytate foods.

Individuals who follow imbalanced diets wealthy in phytic acid space at a higher risk of occurring mineral deficiencies, but most human being shouldn’t need to worry.


Walnuts are really healthy, yet some people are allergic and also must avoid them. Phytic acid may impair mineral absorption, despite this is commonly of no problem to world who eat a well balanced diet.