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You are watching: Calories in 1 cup chopped walnuts

Walnuts have long been hailed as a healthy and balanced diet staple, and it's clear to watch why. This tree seed is a wonderful source of nutrient that can aid lower your blood pressure, support brain health, advantage the digestive system and also much more.

Most the the walnuts in the United states are harvest in the main Valley the California. They do a versatile and nutrient-boosting addition to meals however can also stand ~ above their very own as a hearty snack.

A solitary serving size of walnuts is same to 1 ounce of (about 14 halves). One ounce of walnuts contains:

Calories​: 186​Total fat​: 18.5 g​Cholesterol​: 0 mg​Sodium​: 0.6 mg​Total carbs​: 3.9 g​Dietary fiber​: 1.9 g​Sugar​: 0.7 g​Added sugar​: 0 g​Protein​: 4.3 g

There space 196 calorie in 1/4 cup walnut pieces, every the USDA. That's around an oz of walnuts or around 14 halves. Over there are around 26 calorie in one walnut.

The calories in walnuts largely come from healthy and balanced fats.

Total fat​: One ounce of walnuts has actually 18.5 grams of complete fat, which has 13.3 grams the polyunsaturated fat, 2.5 grams of monounsaturated fat, 1.7 grams of saturated fat and also 0 grams of infectious diseases world fashion fat.​Carbohydrates​: One ounce of walnuts has 3.9 grams of carbs, which includes 1.9 grams the fiber and 0.7 grams of naturally occurring sugars.​Protein​: One ounce of walnuts has 4.3 grams of protein.
Copper​: 50% the your daily Value (DV)​Manganese​: 42% DV​Magnesium​: 11% DV​Vitamin B6​: 9% DV​Vitamin B1:​ 8% DV​Zinc:​ 8% DV​Vitamin B9:​ 7%​Iron:​ 5% DV​Potassium:​ 3% DV​Selenium:​ 3% DV

Per 1 oz., raw





Macadamia Nuts







Total Fat

18.5 g

14.2 g

20.4 g

12.5 g

21.5 g


3.9 g

6.1 g

3.9 g

8.6 g

3.9 g


1.9 g

3.6 g

2.7 g

0.9 g

2.4 g


4.3 g

6 g

2.6 g

5.2 g

2.2 g

They could be high in fat, yet walnuts are good for you thanks to their selection of crucial nutrients.

"Even much more than other nuts, walnuts show up to exert an effective benefits on managing diastolic blood pressure," claims Bethany Doerfler, RDN, a clinical research study dietitian at Northwestern Medicine.

"Diastolic blood pressure is a really vital cardiovascular marker due to the fact that it procedures the press in the blood vessels when the love is resting."

Walnuts were observed to minimize diastolic blood press in human being at hazard for love disease, per a may 2019 ​JAHA​ study. Eat walnuts was likewise observed to alleviate blood press in larger adults, specifically in those with mild high blood pressure, every a might 2019 ​Hypertension​ study.

Although it's not totally known why walnuts are an excellent for your blood pressure, there might be a mix of factors at play: "It's likely as result of the way gut bacteria feed off the fiber and also other innate nutrients in walnuts to create anti-inflammatory compounds," Doerfler says.

Diets well-off in walnuts might lower cholesterol and also triglycerides, according to a July 2018 meta-analysis in ​The American journal of Clinical Nutrition​​.

"Nuts prefer walnuts likewise contain link such as plant sterols, soluble fiber and also phenolic compounds, i beg your pardon can straight lower cholesterol and work together antioxidants," Doerfler says.

And, a preliminary respectable 2021 ​Circulation​ research letter uncovered that eat walnuts everyday for 2 year is linked with reduced cholesterol in older adults.

What's more, women who noshed ~ above walnuts (and other species of nuts) at the very least once a week to be observed to have actually a 13 to 19 percent lower risk of total heart an illness and 15 to 23 percent reduced risk that coronary heart disease than those who didn't eat nuts, a November 2017 study in the ​Journal the the American college of Cardiology​ found.

Eating walnuts is connected to preventing mind damage and may even improve cognition. "We have sufficient evidence currently to suggest that what's an excellent for the blood vessels and also heart is also an excellent for the brain," Doerfler says.

"Walnuts exert their benefit on brain and love health, no just because of their healthy fats, but likewise because of your direct ability to alleviate blood pressure and also modify gut bacteria."

Walnuts save alpha-linolenic acid (ALA), a plant-based omega-3 fatty acid. "Walnuts space a really important method to obtain polyunsaturated fats, consisting of omega-3 fat acids," Doerfler says. "They have an ext omega-3 fat acids than any other seed or legume."

Not only are walnuts high in ALA but they likewise contain more polyphenolic link (a kind of antioxidant) than any type of other nut. Both ALA and also polyphenolic compounds are important brain foods that may assist reduce oxidative stress and also inflammation that cause cognitive decline, per the American society for Nutrition. This means they could benefit cognition.

In fact, eat walnuts was observed to slow cognitive decline, especially in older adults who space at risk, according to a January 2020 study in ​The American journal of Clinical Nutrition​.

Eating much more walnuts was additionally observed to rise adults' power on cognitive tests, nevertheless of your age, a December 2014 examine in ​The journal of Nutrition, Health and Aging​ found. This research study was funded by the California Walnut Council, but the findings are still necessary as this was the an initial large representative study to analyze walnut intake and cognition and to encompass all obtainable cognitive data throughout the nationwide Health and Nutrition Examination survey (NHANES) research study program.

“Walnuts can be good , however they can additionally act together a power booster to other healthy and balanced foods,” Doerfler says. “Because that the healthy and balanced fats in walnuts, they could aid you far better absorb vitamin D or antioxidants found in foods like berries.”

It was once thought that world with diverticula (small, pouch-like structures that can kind in the colon's muscular wall) have to avoid nuts and seeds, but experts now understand it's not necessarily the case.

Nuts prefer walnuts provide the fiber that's essential for gut health and maintaining regularity, follow to Harvard health Publishing.

"It's feasible that human being with digestive issues will really benefit from the fiber in walnuts, however I regularly advise civilization to make sure they're chewing them fine or puréeing them into recipes," Doerfler says. "That way, you are editing the fiber so your gut has actually less mechanical chopping to do, and accessibility to the nutrient in food is optimized."

The magnesium in walnuts have the right to also help keep friend regular. "Walnuts are among the richest plant-based resources of magnesium, which have the right to prevent constipation by help the muscle of intestines contract," Doerfler says.

Evidence has been mixed, however emerging research reflects that walnuts have the potential to contribute to a cancer-preventive diet with the synergy of assorted compounds such as melatonin, ellagitannins and gamma-tocopherol, i beg your pardon all could work together to lower oxidative stress, inflammation and gene expression the can an outcome in cancer, according to the American Institute for Cancer Research.

Overall, swapping the common Western diet (which is high in red meat, polished grains and high-fat dairy commodities like butter) through a plant-based diet that contains nuts favor walnuts is linked with a reduced risk of cancer.

"The study for diet and cancer right currently is an extremely focused on diet patterns, and eating a western diet specifically increases your danger of solid body organ cancers, such together breast, colon, esophageal and stomach cancers," Doerfler says. "Conversely, eating a an ext plant-based diet that revolves about plant-based proteins and fats is protective against cancer."

"The healthy and balanced fat and fiber content in walnuts can help increase fullness, curb hunger and slow blood glucose absorption, which have the right to limit entry of extra calories between (or even during) meals," Mandy Enright, RDN, dietitian and also fitness instructor, speak

"While eating walnuts isn't directly associated to weight loss, a diet that has walnuts, together with fruits, vegetables, entirety grains and lean proteins, can help with load management," she says. "They're among the an ext calorie-dense nuts, but those are the calories from organic fat, fiber and also protein that us want."

Plus, that July 2018 post in ​The American journal of Clinical Nutrition​ also reported that eating a moderate quantity of nuts didn't an outcome in load gain.

A couple of walnuts a day have the right to also administer ample quantities of the minerals essential to aid stave off brittle bones. Walnuts save high levels of copper, which can improve bone density, claims Enright. Copper likewise plays a duty in keeping collagen and also elastin, which help to form bone and also connective organization structures.

Walnuts are additionally loaded v manganese, i m sorry is important for healthy and balanced bone mineralization and cartilage and also collagen production, follow to a February 2017 testimonial in ​Clinical cases in Mineral and also Bone Metabolism​.

They additionally contain many of magnesium, the 3rd mineral in this bone-boosting trio. The same 2017 post reported the magnesium has a protective impact on bone quality. In fact, a magnesium deficiency may even lead come osteoporosis.

Researchers found that the potential of antioxidant in walnuts ranked higher than all other nuts, including almonds, pecans and pistachios, every a February 2012 research in ​Food & Function​​.

What's more, the antioxidants in raw walnuts were up to 15 times together potent together vitamin E, i beg your pardon is popular for its capacity to defend cells native damaging free radicals.

Considering the antioxidant in walnuts may assist fight against oxidative anxiety — the imbalance of cost-free radicals and antioxidants in the human body — they may likewise reduce inflammation, Enright says.

In fact, a diet wealthy in nuts is associated with much less inflammation the plays a duty in inflammatory diseases like atherosclerosis, follow to a September 2016 evaluation in ​The American journal of Clinical Nutrition​​.

Generally, the walnuts you see on her supermarket shelf room the English variety. Harder-to-find black color walnuts have a bold, earthy flavor and require a many work to acquire them the end of their shells. They're an overwhelming to hull, and the husks deserve to stain your hands. Black color walnuts are a renowned ingredient in ice cream and are much more expensive 보다 English walnuts.

Both varieties offer plenty of benefits, yet black walnuts save on computer 2.5 grams more protein, 1.7 fewer grams of fat and also 10 under calories.

Allergy to tree nuts such together walnuts influence an approximated 0.5 to 1 percent that the population in the united States, and also is among the many common species of food allergies, follow to the American Academy that Allergy, Asthma & Immunology (AAAAI).

If you're allergic to one tree nut, it doesn't median you'll be allergy to every one of them, but some are closely related (like walnuts and pecans, or cashews and also pistachios) and also may cause comparable reactions.

Talk come an allergist to assess her risk: Tree seed reactions can be severe and also may incorporate life-threatening anaphylaxis, therefore it's important to always have epinephrine v you if you have a tree nut allergy, follow to the AAAAI.

High-fiber foods like walnuts may impact the absorb of thyroid medicine such as levothyroxine. You might need to take your medication at a various time of day than as soon as you would usually eat walnuts — say, in ~ bedtime rather than in ~ breakfast, per consumer Reports.


Walnuts room harvested in the fall yet can be uncovered year-round in grocery stores. Follow these advice to store and also prepare lock as component of a snack or meal.

Opt because that whole, plain varieties.​ countless packaged nuts come with included sodium, street or various other ingredients, therefore it's ideal to watch for level raw or roasted walnuts. If you'd like, include your very own herbs or spices such as thyme or cinnamon.

Walnuts are likewise found in a number of protein and granola bars, but opt for entirety walnuts if possible.

"In bars, you could have preservatives, included sugars, refined grains or even sugar alcohols and also other man-made sweeteners that have the right to disrupt your healthy and balanced gut bacteria," Doerfler says. "It's finest to eat totality foods. Once you look for real foods items that space satisfying and also beneficial because that your entire body, nuts are a organic inclusion — and walnuts, in particular, room an all-star."

Store in a cool place.​ ideal storage is important for walnuts, as heat temperatures can reason their healthy and balanced fats to go rancid, according to Michigan State college Extension.

Walnuts are no much longer fresh if they are shriveled or rubbery, or if they have actually an odor similar to paint thinner, every Michigan State University.

Walnuts have tendency to absorb odors, so keep them away from other foods with solid scents, such together onions — preferably in an airtight container.

Store shelled or unshelled walnuts in a cool, dried place. They’ll continue to be fresh for as much as 3 months in the refrigerator, or as much as 1 year in the freezer.

Use them to add texture to recipes.​ Walnuts are often sprinkled into oatmeal or added to follow mix, yet their structure can also make lock a unique ingredient in sauce or sautés.

"Walnuts can be a quite meat substitute in dishes when they're puréed," Doerfler says. "You can finely mince or purée walnuts through mushrooms, cauliflower, box diced tomatoes and herbs to make a high-fiber, high-protein pasta sauce."

Walnuts have a well-off nutrient profile that may assist improve her blood pressure. Lock contain a number of antioxidants, which can rise your brain health and also lower your danger of cancer. The fiber and magnesium in walnuts can likewise benefit cradle health.

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As with all nuts, it's important to eat walnuts in moderation because they're calorically dense.