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Cashew Nutrition: The Complete Guide to Calories, Vitamins, and Health Benefits

If you have ever grabbed a handful of cashews and wondered what they are actually doing for your body, you are in the right place. Cashew nutrition is one of the most searched topics in the snacking world, and for good reason. These creamy, slightly sweet nuts pack protein, healthy fats, and a long list of vitamins and minerals into a small serving.

This guide breaks down everything you need to know about cashew nutrition. We will cover the full nutrition facts, the minerals that make cashews stand out, the science backed health benefits, and how cashews compare to other popular nuts. We will also show you how Karma Nuts Wrapped® Cashews take cashew nutrition even further by keeping the natural skin intact.

Quick Answer: Is Cashew Nutrition Good for You?

Yes. A one ounce serving of cashews (about 18 nuts) gives you 5 grams of protein, 13 grams of fat (mostly the heart healthy kind), and a strong dose of copper, magnesium, and zinc, all for around 157 calories. Cashews have zero cholesterol and a low glycemic index, which makes them a smart snack for heart health, blood sugar management, and steady energy.

Cashew Nutrition Facts: Full Breakdown Per Serving

A standard serving size for cashews is 1 ounce, or about 28 grams. That works out to roughly 18 whole cashews. Here is what that serving contains, based on USDA FoodData Central figures for raw, unsalted cashews.

Nutrient

Amount per 1 oz (28g)

% Daily Value

Calories

157

Total Fat

12.4g

16%

Saturated Fat

2.2g

11%

Monounsaturated Fat

7.3g

Polyunsaturated Fat

2.2g

Cholesterol

0mg

0%

Sodium

3mg

0%

Total Carbohydrate

8.6g

3%

Dietary Fiber

0.9g

3%

Sugar

1.7g

Protein

5.2g

10%

Cashews stand out from most other tree nuts because they are lower in fiber but higher in starch and natural sugar. This gives them their soft, creamy texture, which is part of why they blend so well into nut milks, sauces, and dairy free cheese.

The Vitamins and Minerals That Make Cashews Special

Cashew nutrition really shines when you look at the mineral content. One ounce of cashews delivers meaningful amounts of several nutrients that are hard to get enough of through diet alone.

Mineral

Amount per 1 oz

% Daily Value

Why It Matters

Copper

0.65mg

68%

Supports red blood cells, immune function, and connective tissue

Magnesium

74mg

20%

Helps muscle function, nerve signals, and blood sugar control

Manganese

0.46mg

20%

Supports bone formation and metabolism

Zinc

1.6mg

15%

Backs immune health and wound healing

Phosphorus

168mg

14%

Builds bones and teeth, helps energy production

Iron

1.7mg

9%

Carries oxygen through the blood

Vitamin K

9.8mcg

8%

Supports blood clotting and bone health

Selenium

3.3mcg

6%

Acts as an antioxidant, supports thyroid function

That copper number is worth a second look. Cashews are one of the best natural sources of copper of any food, plant or animal. A single ounce gets you more than two thirds of what you need for the entire day.

Cashew Calories: How They Fit Into Your Day

Cashews are calorie dense, which trips some people up. But being calorie dense does not mean they are bad for you. It means you get a lot of nutrition packed into a small amount of food.

Here is how cashew calories break down by serving size:

Serving Size

Calories

Protein

Fat

1 cashew

About 9

0.3g

0.7g

10 cashews

About 90

1.7g

4.1g

1 oz (18 cashews)

157

5.2g

12.4g

100g (about 72 cashews)

553

18.2g

43.9g

The key with cashew nutrition is portion control. Stick to a single one ounce serving, roughly a small handful, and you get all the benefits without overdoing the calories. Pre portioned snack packs make this simple, since you are not guessing how much you grabbed from a big bag.

How Cashew Nutrition Compares to Other Popular Nuts

Cashews are not the lowest calorie nut, and they are not the highest protein nut either. What sets cashew nutrition apart is the mineral profile and the smooth, mild flavor that makes them easy to eat every day.

Nut (1 oz)

Calories

Protein

Fiber

Standout Nutrient

Cashews

157

5.2g

0.9g

Copper (68% DV)

Almonds

164

6.0g

3.5g

Vitamin E

Walnuts

185

4.3g

1.9g

Omega 3 fats

Pistachios

159

5.7g

3.0g

Potassium

Peanuts

161

7.3g

2.4g

Folate

If you want fiber, almonds and pistachios pull ahead. If you want the highest protein per ounce among common snacking nuts, peanuts lead. But for copper, magnesium, and that smooth, buttery bite, cashews are tough to match.

7 Science Backed Health Benefits of Cashew Nutrition

1. Supports Heart Health

Cashews are low in saturated fat and high in monounsaturated fat, the same type of heart healthy fat found in olive oil. Research has linked cashew intake to improvements in the ratio between LDL and HDL cholesterol, and one randomized controlled trial found that daily cashew intake helped lower systolic blood pressure in adults with type 2 diabetes. Cashews also contain zero cholesterol, since cholesterol only comes from animal products.

2. Helps Manage Blood Sugar

Cashews have a low glycemic index, meaning they do not cause sharp blood sugar spikes. The combination of healthy fat, protein, and fiber slows down digestion and helps keep blood sugar steady. A 2024 study published in the journal Nutrients found that cashew enriched diets improved fasting glucose and HbA1c levels in adults with elevated blood sugar markers.

3. Provides Plant Based Protein

At over 5 grams per ounce, cashews are a solid protein source for anyone eating more plant-based meals. Pair them with legumes, whole grains, or dairy for a more complete amino acid profile across your day.

4. Delivers Bone Supporting Minerals

Magnesium, manganese, and copper all play a role in bone strength and structure. Magnesium helps your body absorb calcium, while copper supports the collagen that keeps bones and connective tissue resilient.

5. Backs Immune Function

Zinc and copper both play key roles in a healthy immune system. Cashews offer a meaningful dose of both in a small, convenient serving, which is especially useful for people on plant-based diets where zinc can be harder to come by.

6. May Support Joint Comfort

Copper helps your body produce the collagen and connective tissue that keep joints functioning smoothly. Some early research also points to the antioxidants in cashews having anti-inflammatory effects, though more human studies are needed to confirm this benefit.

7. Helps With Healthy Weight Management

This one surprises people. Despite being calorie dense, nuts including cashews are linked to healthy weight outcomes when eaten in place of processed snacks. The protein and fat combination keeps you full longer, which can reduce overall snacking and overeating later in the day.

Why the Skin Matters: Wrapped® Cashews and Extra Nutrition

Most cashews you find on store shelves have had their thin natural skin removed during processing. That skin is not just packaging. It holds extra fiber and a concentration of antioxidants similar to what you would find in blueberries.

Karma Nuts is the home of Wrapped® Cashews, the only cashew on the market that keeps this natural skin intact. That means every bag delivers:

●      2x the fiber of a standard skinless cashew

●      An antioxidant profile similar to blueberries

●      An extra crunch you will not find anywhere else

●      The same air-roasted, never fried process used across the entire Karma Nuts lineup

Dietitians across the country have taken notice. Many recommend Wrapped® Cashews to clients specifically because that extra layer of skin boosts the nutritional value beyond what a typical cashew offers.

If you are building a snack routine around cashew nutrition, starting with a product that maximizes fiber and antioxidants is an easy win. Try the Sea Salt Wrapped® Cashews for a simple, everyday option, or grab the Variety Pack if you want to taste your way through the lineup.

Are Cashews Keto Friendly?

Yes, in moderation. A one ounce serving has about 7.7 grams of net carbs (total carbs minus fiber), which fits within most keto carb budgets when portioned correctly. Karma Nuts offers a dedicated Keto Friendly collection if you want options that are already vetted for low carb eating.

Are Cashews Whole30 Approved?

Whole30 has strict rules about added sugars, fillers, and certain oils. Karma Nuts carries a line of Whole30 Approved®cashews, so you do not have to read every label to figure out what fits the program.

Common Questions About Cashew Nutrition

How many cashews should I eat per day?

Most nutrition guidance points to about 1 ounce, or roughly 18 cashews, as a healthy daily serving. This gives you the full benefit of the protein, fat, and minerals without going overboard on calories.

Are cashews good for weight loss?

They can be. The protein and healthy fat in cashews promote fullness, which may reduce overall snacking. The key is sticking to a measured serving instead of eating straight from a large bag.

Do cashews raise cholesterol?

No. Cashews contain zero cholesterol, since cholesterol is only found in animal products. The unsaturated fats in cashews may actually help improve your cholesterol ratio when they replace less healthy fats in your diet.

Are roasted cashews as healthy as raw cashews?

Mostly, yes. Roasting can reduce a small amount of heat sensitive vitamins, generally in the 10 to 20 percent range, but the mineral content stays largely intact. Air-roasting, the method Karma Nuts uses across its entire lineup, avoids the added oils that come with frying, which keeps the nutrition profile closer to raw.

What is the difference between cashews and other tree nuts nutritionally?

Cashews are lower in fiber than almonds or pistachios but higher in starch, which gives them their creamy texture. They are also one of the richest natural sources of copper among all tree nuts, a mineral that almonds and walnuts do not offer in nearly the same amount.

Can people with nut allergies eat cashews safely?

No, not if they have a tree nut allergy. Cashews are one of the most common tree nut allergens. Anyone with a known tree nut allergy should avoid cashews and any products processed in facilities that also handle cashews. Severe reactions can lead to anaphylaxis, which is a medical emergency that requires immediate attention.

Are cashews good for diabetics?

Cashews have a low glycemic index and may help support healthy blood sugar levels as part of a balanced diet. Some research has shown improvements in fasting glucose with regular cashew intake. As always, anyone managing diabetes should talk with their doctor or dietitian about how nuts fit into their personal plan.

The Bottom Line on Cashew Nutrition

Cashew nutrition checks a lot of boxes. You get plant-based protein, heart healthy fats, and one of the best natural sources of copper you will find in any food. Add in magnesium, zinc, and a low glycemic index, and it is easy to see why cashews have earned a permanent spot in healthy snacking routines.

If you want to take cashew nutrition even further, reach for a Wrapped® Cashew from Karma Nuts. Keeping the natural skin intact means more fiber, more antioxidants, and more crunch in every single bite. Shop the full Karma Nuts lineup and taste the difference goodness makes.

Sources: U.S. Department of Agriculture (USDA) FoodData Central; Harvard T.H. Chan School of Public Health; National Institutes of Health Office of Dietary Supplements; Nutrients journal (2024); peer reviewed clinical research on cashew intake and cardiovascular markers.