Nuts may offer numerous health benefits, such as reducing your risk of heart disease and supporting your immune system. Some types of nuts include almonds, pistachios, and walnuts.

Nuts are a delicious snack that are crunchy and nutritious.

They’re a great source of:

There are many benefits of eating nuts, such as supporting healthy body weight and helping to reduce your risk of certain health conditions like heart disease.

Nuts have various textures, flavors, and nutrient profiles. They’re great on their own, paired with fruit, or added to dishes like salads, desserts, and grains.

Here are 9 nutritious nuts to add to your diet.

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Almonds are popular due to their flavor, impressive nutrient profile, and relatively cheap cost. You can eat them raw or roasted, and they’re often made into almond butter, flour, and milk.

A 1-ounce (28-gram) serving of roasted almonds contains:

  • Calories: 170
  • Fat: 15 grams
  • Protein: 6 grams
  • Carbs: 6 grams
  • Fiber: 3 grams
  • Vitamin E: 45% of the Daily Value (DV)
  • Magnesium: 19% of the DV
  • Manganese: 27% of the DV

These nuts are especially rich in vitamin E, a fat-soluble nutrient that functions as an antioxidant to protect your cells against oxidative damage. This vitamin also supports immune function and cellular communication.

Not only are almonds a nutrient-dense food, but they may also reduce heart disease risk factors.

A 12-week study in 219 young adults found that those who ate 2 ounces (56 grams) of almonds daily had significant reductions in LDL (bad) cholesterol, inflammatory markers, and hemoglobin A1c — a marker of blood sugar control — compared with a control group.

Almonds may also promote gut health by supporting the growth of beneficial gut bacteria, including Bifidobacteria and Lactobacillus species.


Almonds are high in several essential nutrients. Eating them regularly may boost heart and gut health.

Pistachios — whose name is derived from the Greek word pistákion, which means “the green nut” — have been eaten since 6,000 B.C.

These vibrant nuts are packed with nutrients but lower in calories and fat than many other nuts.

Just 1 ounce (28 grams) of pistachios contains:

  • Calories: 159
  • Fat: 13 grams
  • Protein: 6 grams
  • Carbs: 8 grams
  • Fiber: 3 grams
  • Vitamin B1 (thiamine): 21% of the DV
  • Vitamin B6: 28% of the DV
  • Phosphorus: 11% of the DV

Pistachios are a good source of numerous nutrients, including vitamin B6, which your body needs for nutrient metabolism and immune function.

These nuts are also rich in plant compounds that may have antioxidant and anti-inflammatory properties, including:

In a 4-month study including 100 people with overweight, one group ate 1.5 ounces (42 grams) of pistachios per day and underwent a group-based behavioral weight loss program, while the other group only participated in the weight loss program.

The groups lost similar amounts of weight, but the pistachio group experienced significant reductions in blood pressure and increases in blood antioxidant levels.


Pistachios are a good source of anti-inflammatory and antioxidant compounds. Plus, they may improve blood pressure and other health markers.

Walnuts are linked to multiple health benefits and have an impressive nutrient profile.

Just 1 ounce (28 grams) contains:

  • Calories: 185
  • Fat: 18.5 grams
  • Protein: 4 grams
  • Carbs: 4 grams
  • Fiber: 2 grams
  • Copper: 50% of the DV
  • Magnesium: 11% of the DV
  • Manganese: 42% of the DV

These nuts are an excellent source of copper, a mineral that your body needs to produce enzymes involved in energy production and neurotransmitter synthesis. Copper also aids immune function and blood vessel development.

Walnuts have been shown to benefit heart health and may reduce several heart disease risk factors, including elevated levels of:

Walnuts are also significantly higher in ALA omega-3 fatty acids than any other nut, with 2.57 grams per ounce.

Additionally, human and animal research suggests that eating 1–2 ounces (28–57 grams) of walnuts per day may improve brain function and reduce risk factors for dementia, such as heart disease and type 2 diabetes.

Although these findings are promising, more studies are needed.


Walnuts, which are an especially good source of copper and manganese, may boost heart and brain health.

Healthy breakfast ideas: walnut granola

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Cashews have a crunchy texture and creamy mouthfeel that pair well with both savory and sweet dishes. You can eat them raw, roasted, or as nut butter.

Only 1 ounce (28 grams) of raw cashews offers:

  • Calories: 157
  • Fat: 12 grams
  • Protein: 5 grams
  • Carbs: 9 grams
  • Fiber: 1 gram
  • Vitamin K: 8% of the DV
  • Magnesium: 20% of the DV
  • Manganese: 20% of the DV

These nuts are a good source of several nutrients that are essential to bone health, including:

A review of five studies also found that eating cashews led to reductions in blood pressure and triglyceride levels.

That said, other studies have observed mixed results, so more research is needed.


Some studies suggest that cashews may improve blood fat levels and reduce blood pressure. They also provide vitamin K and minerals like magnesium and manganese.

Pecans are mild nuts that are popular for cakes, pies, and salad dishes.

One ounce (28 grams) of roasted pecans provides:

  • Calories: 201
  • Fat: 21 grams
  • Protein: 3 grams
  • Carbs: 4 grams
  • Fiber: 3 grams
  • Vitamin B1 (thiamine): 11% of the DV
  • Zinc: 13% of the DV
  • Manganese: 48% of the DV

They’re a good source of the mineral zinc, which plays an important role in:

  • immune function
  • wound healing
  • DNA synthesis
  • growth and development

Additionally, some research suggests that pecans benefit heart health.

A small 8-week study in 56 people at risk of heart disease demonstrated that those who ate pecans daily had significant reductions in LDL cholesterol and triglyceride levels, compared with a control group.


Pecans contain a variety of beneficial nutrients, including zinc and manganese. Among other benefits, they may promote heart health.

Macadamia nuts have a buttery texture and contain an array of nutrients. Just 1 ounce (28.35 grams) offers:

  • Calories: 204
  • Fat: 21.5 grams
  • Protein: 2 grams
  • Carbs: 4 grams
  • Fiber: 2.5 grams
  • Vitamin B1 (thiamine): 28% of the DV
  • Manganese: 51% of the DV
  • Copper: 24% of the DV

These nuts are high in healthy fats and lower in carbs than many nuts, making them a popular choice for those on low-carb diets.

A 2015 review of 61 clinical trials showed that eating tree nuts, including macadamia nuts, may help reduce LDL cholesterol, triglyceride, and blood sugar levels.


Macadamia nuts are high in healthy fats and other important nutrients like vitamin B1 and manganese.

Brazil nuts are a rich source of many nutrients, especially the mineral selenium.

A 1-ounce (28-gram) serving contains:

  • Calories: 187
  • Fat: 19 grams
  • Protein: 4 grams
  • Carbs: 3 grams
  • Fiber: 2 grams
  • Vitamin E: 11% of the DV
  • Magnesium: 25% of the DV
  • Selenium: 989% of the DV

Brazil nuts are high in a number of vitamins and minerals, including vitamin E and magnesium, a mineral that’s essential for:

  • blood sugar and blood pressure regulation
  • nerve function
  • energy production

These nuts are also one of the richest dietary sources of selenium, a nutrient your body needs for thyroid hormone production and DNA synthesis.

That said, it’s advised to keep your intake to a few nuts per day to avoid exceeding the upper limit of 400 mcg, which may lead to selenium poisoning.

Still, this condition is likelier to occur when you’re getting too much selenium from supplements, not food.

Brazilian nuts may also have anti-inflammatory and antioxidant effects.


Brazil nuts are an excellent source of selenium, a nutrient that serves as an antioxidant and is necessary for thyroid health.

Hazelnuts are highly nutritious, packing healthy fats, protein, and fiber. Only 1 ounce (28 grams) contains:

  • Calories: 178
  • Fat: 17 grams
  • Protein: 4 grams
  • Carbs: 5 grams
  • Fiber: 3 grams
  • Vitamin E: 28% of the DV
  • Magnesium: 11% of the DV
  • Manganese: 76% of the DV

In addition to being a good source of vitamins and minerals, hazelnuts may have antioxidant and anti-inflammatory effects because they’re loaded with beneficial plant compounds, such as:

A 2016 review of 9 studies also suggests that regularly eating hazelnuts may help reduce heart disease risk factors like elevated LDL cholesterol and total cholesterol.


Hazelnuts, which are a good source of nutrients like vitamin E and manganese, may reduce certain heart disease risk factors.

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While peanuts technically belong to the legume family, they have a nutrient profile similar to that of tree nuts, as well as comparable health benefits and related culinary uses.

One ounce (28.35 grams) of raw peanuts contains roughly:

  • Calories: 162
  • Fat: 13.5 grams
  • Protein: 7 grams
  • Carbs: 6 grams
  • Fiber: 2.5 grams
  • Vitamin B3 (niacin): 23% of the DV
  • Vitamin B9 (folate): 17% of the DV
  • Magnesium: 12% of the DV

Peanuts are a rich source of plant protein, which may help you feel full. They’re packed with polyphenol antioxidants and are also high in folate, a B vitamin that’s especially important during pregnancy due to its role in fetal and placental development.

Some studies suggest that peanuts may also help lower the risk of cardiovascular disease, coronary heart disease, and stroke. However, this doesn’t apply to peanut butter.


Peanuts, which are technically legumes, provide several B vitamins and may help reduce your risk of heart disease.

What is the most nutritious way to eat nuts?

The best way to eat nuts is to eat them whole without added salt and sugar. That said, consume them in moderation at a serving of 1 oz, as they are high in calories.

Which nuts are least fattening?

All nuts tend to be high in calories per serving, but peanuts and pistachios have slightly less. Hazelnuts and almonds have less saturated fat than other nut types.

What is the unhealthiest nut to eat?

Macadamia nuts have the most calories, and Brazil nuts have the most saturated fats of all the nut types.

Nuts are great sources of nutrients, such as protein, fat, fiber, vitamins, and minerals.

When eaten as part of a nutrient-dense diet, they may help reduce your risk of heart disease and support immune health, among other benefits.

Plus, nuts are versatile and delicious. You can enjoy them on their own or pair them with other nutritious foods like fruits and vegetables.

Just one thing

Many peanut and nut butters contain added oils and sugars to improve the texture and taste of the final product, but it’s best to choose products that don’t contain these ingredients. As such, be sure to read food labels carefully.

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