Advantages Of Eating Nuts

The numerous health benefits of nuts make them an invaluable addition to a balanced diet. From heart health to brain function, the nutritional profile of nuts makes them a versatile and convenient snack that supports overall well-being. So, the next time you reach for a snack, consider grabbing a handful of nuts to nourish your body and delight your taste buds.

8 Health Benefits of Nuts

By Franziska Spritzler

from https://www.healthline.com/

Nuts are a tasty, convenient treat that can be enjoyed on all kinds of diets — from keto to vegan. Despite being high in fat, they have many impressive health and weight benefits. Here are the top 8 health benefits of eating nuts.

What Are Nuts?

Nuts are seed kernels that are widely used in cooking or eaten on their own as a snack. They’re high in fat and calories.

They contain a hard, inedible outer shell that usually needs to be cracked open to release the kernel inside.

Fortunately, you can buy most nuts from the store already shelled and ready to eat.

Here are some of the most commonly consumed nuts:

  • Almonds
  • Brazil nuts
  • Cashews
  • Hazelnuts
  • Macadamia nuts
  • Pecans
  • Pine nuts
  • Pistachios
  • Walnuts

Though peanuts are technically legumes like peas and beans, they’re usually referred to as nuts due to their similar nutrition profile and characteristics.

SUMMARY
Nuts are edible, high-fat seed kernels enclosed
by a hard shell. They’re widely eaten as a snack food or used in cooking.

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1. A Great Source of Many Nutrients

Nuts are highly nutritious. One ounce (28 grams) of mixed nuts contains (1):

  • Calories: 173
  • Protein: 5 grams
  • Fat: 16 grams, including 9 grams of monounsaturated fat
  • Carbs: 6 grams
  • Fiber: 3 grams
  • Vitamin E: 12% of the RDI
  • Magnesium: 16% of the RDI
  • Phosphorus: 13% of the RDI
  • Copper: 23% of the RDI
  • Manganese: 26% of the RDI
  • Selenium: 56% of the RDI

Some nuts are higher in certain nutrients than others. For instance, just one Brazil nut provides more than 100% of the Reference Daily Intake (RDI) for selenium (2).

The carb content of nuts is highly variable. Hazelnuts, macadamia nuts, and Brazil nuts have fewer than 2 grams of digestible carbs per serving, while cashews have almost 8 digestible carbs per serving.

That being said, nuts are generally an excellent food to eat on a low-carb diet.

SUMMARY
Nuts are high in fat, low in carbs, and a
great source of several nutrients, including vitamin E, magnesium, and
selenium.

2. Loaded With Antioxidants

Nuts are antioxidant powerhouses.

Antioxidants, including the polyphenols in nuts, can combat oxidative stress by neutralizing free radicals — unstable molecules that may cause cell damage and increase disease risk (3Trusted Source).

One study found that walnuts have a greater capacity to fight free radicals than fish (4Trusted Source).

Research shows that the antioxidants in walnuts and almonds can protect the delicate fats in your cells from being damaged by oxidation (5Trusted Source6Trusted Source7Trusted Source).

In one study in 13 people, eating walnuts or almonds increased polyphenol levels and significantly reduced oxidative damage, compared to a control meal (7Trusted Source).

Another study found that 2–8 hours after consuming whole pecans, participants experienced a 26–33% drop in their levels of oxidized “bad” LDL cholesterol — a major risk factor for heart disease (8Trusted Source).

However, studies in older people and individuals with metabolic syndrome found that walnuts and cashews didn’t have a big impact on antioxidant capacity, though some other markers improved (9Trusted Source10Trusted Source).

SUMMARY
Nuts contain antioxidants
known as polyphenols, which may protect your cells and “bad” LDL cholesterol
from damage caused by free radicals.

3. May Aid Weight Loss

Though they’re considered a high-calorie food, research suggests that nuts may help you lose weight.

One large study assessing the effects of the Mediterranean diet found that people assigned to eat nuts lost an average of 2 inches (5 cm) from their waists — significantly more than those given olive oil (11Trusted Source).

Almonds have consistently been shown to promote weight loss rather than weight gain in controlled studies. Some research suggests that pistachios aid weight loss as well (12Trusted Source13Trusted Source14Trusted Source).

In one study in overweight women, those eating almonds lost nearly three times as much weight and experienced a significantly greater decrease in waist size compared to the control group (15Trusted Source).

What’s more, even though nuts are quite high in calories, research shows that your body doesn’t absorb all of them, as a portion of fat stays trapped within the nut’s fibrous wall during digestion (16Trusted Source17Trusted Source18Trusted Source).

For instance, while the nutrition facts on a package of almonds may indicate that a 1-ounce (28-gram) serving has 160–170 calories, your body only absorbs about 129 of these calories (19Trusted Source).

Similarly, recent studies found that your body absorbs about 21% and 5% fewer calories from walnuts and pistachios, respectively, than had previously been reported (20Trusted Source21Trusted Source).

SUMMARY
Nuts have been shown to
promote weight loss rather than contribute to weight gain. Several studies
indicate that your body doesn’t absorb all of the calories in nuts.

4. May Lower Cholesterol and Triglycerides

Nuts have impressive effects on cholesterol and triglyceride levels.

Pistachios have been shown to lower triglycerides in people who are obese and those with diabetes.

In one 12-week study in obese people, those eating pistachios had triglyceride levels nearly 33% lower than in the control group (14Trusted Source22Trusted Source).

The cholesterol-lowering power of nuts may be due to their high content of monounsaturated and polyunsaturated fatty acids.

Almonds and hazelnuts appear to raise “good” HDL cholesterol while reducing total and “bad” LDL cholesterol. One study found that ground, sliced, or whole hazelnuts had similar beneficial effects on cholesterol levels (23Trusted Source24Trusted Source25Trusted Source26Trusted Source).

Another study in women with metabolic syndrome observed that eating a 1-ounce (30-gram) mix of walnuts, peanuts, and pine nuts per day for 6 weeks significantly lowered all types of cholesterol — except “good” HDL (27Trusted Source28Trusted Source).

Several studies show that macadamia nuts lower cholesterol levels as well. In one trial, a moderate-fat diet including macadamia nuts reduced cholesterol as much as a lower-fat diet (29Trusted Source30Trusted Source31Trusted Source32Trusted Source).

SUMMARY
Nuts may help lower total and “bad” LDL
cholesterol and triglycerides while boosting levels of “good” HDL cholesterol.

5. Beneficial for Type 2 Diabetes and Metabolic Syndrome

Type 2 diabetes is a common disease affecting hundreds of millions of people worldwide.

Metabolic syndrome refers to a group of risk factors that may increase your risk of heart disease, stroke, and type 2 diabetes.

Therefore, type 2 diabetes and metabolic syndrome are strongly linked.

Interestingly, nuts may be one of the best foods for people with metabolic syndrome and type 2 diabetes.

First off, they’re low in carbs and don’t raise blood sugar levels much. Thus, substituting nuts for higher-carb foods should lead to reduced blood sugar levels.

Studies suggest that eating nuts may also lower oxidative stress, blood pressure, and other health markers in people with diabetes and metabolic syndrome (33Trusted Source34Trusted Source35Trusted Source36Trusted Source37Trusted Source).

In a 12-week controlled study, people with metabolic syndrome who ate just under 1 ounce (25 grams) of pistachios twice per day experienced a 9% decrease in fasting blood sugar, on average (37Trusted Source).

What’s more, compared to the control group, the pistachio group had greater reductions in blood pressure and C-reactive protein (CRP), a marker of inflammation linked to heart disease.

However, the evidence is mixed and not all studies note a benefit from eating nuts in people with metabolic syndrome (38Trusted Source).

SUMMARY
Several studies have shown that blood sugar,
blood pressure, and other health markers improve when people with type 2
diabetes and metabolic syndrome include nuts in their diet.

6. May Reduce Inflammation

Nuts have strong anti-inflammatory properties.

Inflammation is your body’s way of defending itself from injury, bacteria, and other potentially harmful pathogens.

However, chronic, long-term inflammation can cause damage to organs and increase disease risk. Research suggests that eating nuts may reduce inflammation and promote healthy aging (39Trusted Source).

In a study on the Mediterranean diet, people whose diets were supplemented with nuts experienced a 35% and 90% decrease in the inflammatory markers C-reactive protein (CRP) and interleukin 6 (IL-6), respectively (40Trusted Source).

Similarly, some nuts — including pistachios, Brazil nuts, walnuts, and almonds — have been found to fight inflammation in healthy people and those with serious conditions like diabetes and kidney disease (25Trusted Source37Trusted Source41Trusted Source42Trusted Source43Trusted Source44Trusted Source).

Yet, one study on almond consumption in healthy adults observed little difference between the almond and control groups — though a few inflammatory markers decreased in those eating almonds (45Trusted Source).

SUMMARY
Research suggests that nuts
may reduce inflammation, especially in people with diabetes, kidney disease,
and other serious health conditions.

7. High in Beneficial Fiber

Fiber provides many health benefits.

While your body can’t digest fiber, the bacteria that live in your colon can.

Many types of fiber function as prebiotics or food for your healthy gut bacteria.

Your gut bacteria then ferment the fiber and turn it into beneficial short-chain fatty acids (SCFAs).

These SCFAs have powerful benefits, including improving gut health and reducing your risk of diabetes and obesity (46Trusted Source47Trusted Source48Trusted Source).

Plus, fiber helps you feel full and reduces the number of calories you absorb from meals. One study suggests that increasing fiber intake from 18 to 36 grams daily may result in up to 130 fewer calories absorbed (49Trusted Source50Trusted Source).

Here are the nuts with the highest fiber content per 1-ounce (28-gram) serving:

  • Almonds: 3.5 grams
  • Pistachios: 2.9 grams
  • Hazelnuts: 2.9 grams
  • Pecans: 2.9 grams
  • Peanuts: 2.6 grams
  • Macadamias: 2.4 grams
  • Brazil
    nuts:
     2.1 grams

SUMMARY
Many nuts are high in fiber,
which can reduce disease risk, help keep you full, decrease calorie absorption,
and improve gut health.

8. May Reduce Your Risk of Heart Attack and Stroke

Nuts are extremely good for your heart.

Several studies suggest that nuts help lower heart disease and stroke risk due to their benefits for cholesterol levels, “bad” LDL particle size, artery function, and inflammation (11Trusted Source51Trusted Source52Trusted Source53Trusted Source54Trusted Source55Trusted Source56Trusted Source57Trusted Source).

Studies found that small, dense LDL particles may increase heart disease risk more than larger LDL particles (58Trusted Source59Trusted Source).

Interestingly, one study on the Mediterranean diet found that people who ate nuts had a significant decline in small LDL particles and an increase in large LDL particles, as well as “good” HDL cholesterol levels (11Trusted Source).

In another study, people with normal or high cholesterol were randomly assigned to consume either olive oil or nuts with a high-fat meal.

People in the nut group had better artery function and lower fasting triglycerides than the olive oil group — regardless of their initial cholesterol levels (51Trusted Source).

SUMMARY
Nuts may significantly lower your risk of heart
attack and stroke. Eating nuts increases “bad” LDL particle size, raises “good”
HDL cholesterol, improves artery function, and has various other benefits.

Delicious, Versatile, and Widely Available

Nuts can be enjoyed whole, as nut butters, or chopped up and sprinkled on food.

They’re widely available in grocery stores and online and come in a wide variety of options, including salted, unsalted, seasoned, plain, raw, or roasted.

In general, it’s healthiest to eat nuts raw or toast them in the oven at a temperature below 350°F (175°C). Dry-roasted nuts are the next-best option, but try to avoid nuts roasted in vegetable and seed oils.

Nuts can be kept at room temperature, which makes them ideal for on-the-go snacks and traveling. However, if you’re going to be storing them for long, a refrigerator or freezer will keep them fresher.

SUMMARY
Nuts can be enjoyed whole, as nut butters, or
chopped up on food. They’re healthiest raw or toasted. Store them at room
temperature or put them in the fridge or freezer to keep them fresher for
longer.

The Bottom Line

Eating nuts on a regular basis may improve your health in many ways, such as by reducing diabetes and heart disease risk, as well as cholesterol and triglyceride levels.

This nutritious high-fiber treat may even aid weight loss — despite its high calorie count.

As long as you eat them in moderation, nuts make for a tasty addition to a healthy, balanced diet.

How we reviewed this article:

HISTORY

Our experts continually monitor the health and wellness space, and we update our articles when new information becomes available.

Kanwal Nijjar Sodhi

Kanwal Sodhi am The Creator Editor of ReviewFitHealth.com.

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